[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.03"]
[Round "1"]
[White "Palau, Ignacio"]
[Black "Sánchez, Christian"]
[Result "0-1"]
[ECO "C18"]
[PlyCount "64"]
[EventDate "2004.11.03"]

{Defensa francesa. Variante Winawer.
} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5
5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc7 8. Qxg7 Rg8 9. Qxh7 cxd4 10. Ne2 Nbc6 11. f4
dxc3 12. Qd3 Bd7 13. h4 Nf5 14. Rh3 d4 15. Ng3 $146 (15. Rb1 O-O-O 16. h5 a6
17. Ng3 Nxe5 18. fxe5 Qxe5+ 19. Qe4 Qxe4+ 20. Nxe4 Ba4 21. Rb4 Bxc2 22. Nf6 Rh8
23. g4 Ne7 24. Rh2 {1-0 Kallinger-Helsloot, corr 1990.}) 15... Nxg3 16. Rxg3
O-O-O 17. Rxg8 (17. Be2) 17... Rxg8 18. Qh7 $2 (18. g3 $11) 18... Qd8 19. Kd1
$2 (19. Qh5 Rh8 20. Qg5 Rxh4 21. Qxd8+ Nxd8 22. Rb1 $17) 19... Rh8 20. Qxf7 $2
(20. Qd3 $142) 20... Qxh4 21. Qg7 Ne7 22. f5 Rg8 (22... Be8 23. Ke2 Nxf5 $19)
23. Qh6 Qg4+ 24. Ke1 Nxf5 (24... Qe4+ 25. Kf2 Nxf5 $19) 25. Qf4 Qh5 26. Rb1 Bc6
27. Bc4 Kd7 (27... Rxg2 $1 28. Bxe6+ Kc7 $19) 28. Bb5 (28. Be2) 28... Bxb5 29.
Rxb5 Rxg2 {#} 30. Qf1 Qh4+ 31. Kd1 Qg4+ 32. Ke1 Qe4+ 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.03"]
[Round "1"]
[White "Sanhueza, Cristián"]
[Black "Pérez Cascella, Julio"]
[Result "0-1"]
[ECO "B47"]
[PlyCount "62"]
[EventDate "2004.11.03"]

{Defensa siciliana. Variante Paulsen/Taimánov.
} 1. e4 c5 2. Nf3 e6 3. d4 cxd4
4. Nxd4 Nc6 5. g3 a6 (5... d5 6. Bg2 dxe4 7. Nxc6 Qxd1+ 8. Kxd1 bxc6 9. Bxe4
Bb7 $11) 6. Bg2 Qc7 7. Nc3 d6 8. O-O Bd7 9. Kh1 $6 (9. Be3 $14) (9. Re1 Be7 10.
Nxc6 Bxc6 11. Qg4 $14) 9... Nf6 10. f4 Be7 11. Be3 Rc8 (11... Na5 $11) 12. f5
$146 (12. Nb3 $14) (12. Nxc6 Bxc6 13. a4 O-O 14. a5 Nd7 15. Rf2 f5 16. Rd2 g6
17. Qe2 Bf6 18. Bd4 Bxd4 19. Rxd4 Nc5 20. exf5 Bxg2+ 21. Kxg2 exf5 22. Rad1
Rcd8 23. Qc4+ Rf7 24. Re1 Kg7 25. b4 Ne4 26. Qxc7 Rxc7 27. Nxe4 fxe4 28. c4 Re8
29. Rexe4 Rxe4 30. Rxe4 Kf6 {Biolek-Flis, Pardubice 1995, 1-0 (37).}) 12...
Nxd4 (12... Ne5 $11) 13. Bxd4 e5 14. Be3 Bc6 15. Qe2 b5 16. a3 h6 17. Rad1 Qb7
18. Bg1 $2 (18. Qd3 $14) 18... a5 19. b4 axb4 20. axb4 O-O 21. g4 (21. Ra1 $11)
21... Ra8 (21... Rfd8 $15) 22. h4 Ra3 23. Rd3 Nh7 (23... Rxc3 $5 24. Rxc3 Nxe4
$13) 24. g5 $2 (24. Bf2 Rfa8 25. Rfd1 Ra1 26. Kh2 $11) 24... hxg5 25. hxg5 Bxg5
26. Qh5 f6 $2 (26... Rfa8 $15) 27. Be3 $2 (27. Rfd1 Bf4 28. Nd5 $11) 27... Qf7
(27... Bxe3 28. Rxe3 Ng5 $17) 28. Qg6 $4 Bxe3 (28... Qc4 $19) 29. Rxe3 Ng5 30.
Rf2 Qa7 31. Rfe2 Be8 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.03"]
[Round "1"]
[White "Sampaoli, Cristián"]
[Black "Savoretti, Ernesto"]
[Result "1/2-1/2"]
[ECO "A61"]
[PlyCount "100"]
[EventDate "2004.11.03"]

{Defensa Benoni moderna.
} 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6
6. Nc3 g6 7. h3 Bg7 8. e4 O-O 9. Be2 (9. Bd3) 9... Re8 10. Qc2 Na6 11. Bxa6
$146 (11. O-O h6 12. Bf4 g5 13. Bh2 Nb4 14. Qb1 Na6 {
Oliva-Bodereau, camp. de Francia por eq. 2001, 1-0 (41).}) 11... bxa6 12. O-O
Rb8 13. Bg5 Qb6 14. Rab1 Nd7 15. Nd2 Qc7 16. f4 $2 (16. Bf4 $14) 16... Nb6 17.
Bh4 f5 18. Rbe1 fxe4 19. Ndxe4 Bf5 20. g4 $2 (20. Qd3 $11) 20... Bxe4 21. Rxe4
Bd4+ 22. Kh2 (22. Bf2 Bxc3 23. bxc3 Nxd5 24. c4 $44) 22... Nc4 $2 (22... Bxc3
23. bxc3 Nxd5 $15) 23. Rxe8+ Rxe8 24. Qa4 $2 (24. Bf2 $11) 24... Qb8 25. Re1 (
25. Qxc4 $2 Qxb2+ 26. Kh1 Qxc3 27. Qxc3 Bxc3 $17) 25... Rxe1 $2 (25... Qxb2+
26. Kh1 Rxe1+ 27. Bxe1 Kf8 $15 28. Qxc4 $2 Qc1 $19) 26. Bxe1 Nxb2 (26... Qxb2+
27. Kg3 Kf8 28. Qc6 $11 {perpetuo.}) 27. Qxa6 Qf8 28. Qf1 $2 (28. Qe2 $1 Qxf4+
29. Bg3 Qe3 30. Qxe3 Bxe3 31. Bxd6 $11) 28... Be5 29. Ne2 g5 $6 (29... Nd3 30.
Bg3 Nxf4 31. Bxf4 g5 32. Kg2 (32. Bxe5 $2 Qxf1 $19) 32... gxf4 $17) 30. Bg3
gxf4 31. Nxf4 c4 $2 (31... Na4 $15) 32. Kg2 $4 (32. Qe2 $11) 32... c3 33. Qf3
c2 34. Qe3 (34. Ne2 Qxf3+ 35. Kxf3 Bxg3 36. Kxg3 Nd3 $19) 34... Qc8 $4 (34...
Nd1 35. Qd2 Bc3 36. Qc1 Bb2 37. Qxc2 Ne3+ $19) 35. Ne2 Qc4 $2 (35... Nc4 36.
Qg5+ Bg7 $15) 36. Qg5+ Kf7 37. Qf5+ Ke8 38. Qe6+ Kd8 39. Bh4+ Kc7 40. Qf7+ {
Las blancas propusieron tablas.} 40... Kb8 41. Qe8+ $2 (41. Bf2 $1 Qxe2 42.
Qe8+ Kb7 43. Qc6+ Kb8 44. Qe8+ $11) 41... Kb7 42. Qd7+ Ka6 43. Bf2 Qxd5+ 44.
Kg1 Qb7 45. Qf5 Qc6 46. Be3 (46. Qxh7 c1=Q+ 47. Nxc1 Qxc1+ 48. Kg2 Qc6+ 49. Kg1
Qb7 50. Qf5 $17) 46... Qc7 47. Qe4 {#} 47... Nd1 $2 (47... Qc4 48. Qxh7 c1=Q+
49. Nxc1 Bd4 50. Bxd4 Qxd4+ 51. Kg2 Qd2+ 52. Kf3 Qxc1 $19) 48. Qa4+ Kb7 49.
Qb5+ Kc8 50. Qe8+ Kb7 1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.03"]
[Round "1"]
[White "Selvetti, Alexis"]
[Black "Sepliarsky, Mario"]
[Result "1-0"]
[ECO "C43"]
[PlyCount "69"]
[EventDate "2004.11.03"]

{Defensa Petroff. Ataque Steinitz.
} 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5
5. Nxe5 Be7 6. O-O O-O 7. c4 Nf6 8. Nc3 c6 9. cxd5 (9. Re1 Be6 10. cxd5 cxd5
11. Bg5 $14) 9... cxd5 10. Bf4 $146 (10. Bg5 Nc6 11. Nxc6 bxc6 12. Rc1 Bg4 13.
Qc2 h6 14. Bh4 Qb6 15. h3 Bd7 16. Rfd1 Kh8 17. Be2 Ng8 18. Na4 Qd8 19. Bxe7
Qxe7 20. Nc5 Bc8 21. Nd3 Bf5 22. Bg4 Bxd3 23. Qxd3 Rab8 24. b3 Rb6 {
Rojas-Bombardiere, camp. de Chile 1994, 1-0 (48).}) 10... Nc6 11. Nxc6 bxc6 12.
Rc1 Bg4 $6 (12... Bd6 $14) 13. Qc2 g6 (13... Re8) 14. Na4 Bd7 15. Nc5 Bc8 (
15... Nh5 $16) 16. Qa4 Qb6 $2 (16... Bd6 $16) 17. Rfe1 Nh5 18. Bd2 Bf6 19. Ba5
Qxb2 (19... Qb8 20. Qxc6 Bxd4 21. Bc3 Bxc3 22. bxc3 $18) 20. Nb3 Nf4 {
Apremio de tiempo de las negras.} 21. Bc3 $18 {#} 21... Nxd3 22. Bxb2 Nxb2 23.
Qxc6 Be6 24. Qa6 Nc4 25. Rcd1 Nb6 26. Nc5 Bf5 27. a4 Kg7 28. a5 Nc4 29. Qb7 Nd6
30. Qxd5 Rad8 31. Qc6 h5 32. d5 h4 33. h3 g5 34. f3 Bg6 35. Nd7 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.03"]
[Round "1"]
[White "Colombo Berra, Pablo"]
[Black "Ciotta, Eric"]
[Result "0-1"]
[ECO "A02"]
[PlyCount "70"]
[EventDate "2004.11.03"]

{Apertura Bird.
} 1. f4 e6 2. e3 d5 3. d4 c5 4. c3 Nd7 5. Bd3 Ngf6 6. Nd2 Qc7
7. Ngf3 cxd4 $6 (7... Bd6 $11) 8. cxd4 b6 9. Ne5 Be7 10. O-O Bb7 11. Qf3 $6 (
11. Ndf3 $14) 11... Rc8 (11... O-O $11) 12. g4 $5 g6 $2 (12... h6 $1 13. g5 $2
hxg5 14. fxg5 Nxe5 15. dxe5 Qxe5 $19) 13. g5 Nxe5 $2 (13... Ne4 $14) 14. fxe5
Nh5 15. Qxf7+ Kd7 16. Rf6 $2 (16. e4 dxe4 17. Bb5+ Kd8 18. Qxe6 $16) 16... Qc6
{#} 17. Bb5 $2 (17. b3 Rcf8 18. Ba3 Rxf7 19. Rxf7 Qc3 20. Rxe7+ Kd8 21. Rxb7
Qxd2 22. Rc1 Qxe3+ 23. Kh1 Qf3+ 24. Kg1 Qe3+ $11) 17... Qxb5 $19 18. Rxe6 Rce8
19. a4 Qe2 20. Nf3 Kd8 21. Rd6+ Kc8 22. Bd2 Rhf8 23. Qe6+ Kb8 24. Rd7 Qxf3 25.
Rxe7 Rd8 (25... Rxe7 26. Qxe7 Qg4+ 27. Kh1 Rf2 $19) 26. Rxh7 Bc8 27. Qc6 Qf2+
28. Kh1 Rf7 29. Rxf7 $2 Qxf7 (29... Ng3+ 30. hxg3 Rh8+ 31. Rh7 Rxh7#) 30. Rc1
Rf8 31. Qd6+ Ka8 32. Qc6+ Bb7 33. Qd6 Qf3+ 34. Kg1 Qf2+ 35. Kh1 Ng3+ (35...
Ng3+ 36. hxg3 Rh8#) 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.03"]
[Round "1"]
[White "De Pauli, Manuel"]
[Black "Di Benedetto, Guillermo"]
[Result "0-1"]
[ECO "A80"]
[PlyCount "102"]
[EventDate "2004.11.03"]

{Defensa holandesa.
} 1. d4 f5 2. Nf3 g6 3. g3 Bg7 4. c3 Nf6 5. Qb3 c6 6. Bg2
Qb6 7. Nbd2 d6 8. O-O $146 (8. Qc2 O-O 9. O-O d5 10. c4 Ne4 11. e3 Be6 12. b3
a5 13. a3 Nd7 14. Rb1 Qa6 15. a4 b5 16. Nxe4 dxe4 17. Ng5 Bf7 18. Nxf7 Kxf7 19.
f3 exf3 20. Bxf3 b4 21. Bb2 Kg8 22. e4 e6 23. exf5 exf5 24. d5 c5 25. Rbe1 Rae8
26. Re6 Rxe6 27. dxe6 Nf6 28. Re1 Re8 29. Qd2 Ne4 30. Qd7 {
1-0 Dlugy-Leow, Nueva York 1992.}) 8... Qxb3 9. axb3 O-O (9... Na6 10. b4 Nc7)
10. Nc4 Nbd7 11. Ng5 d5 12. Na5 Nb6 13. Bf4 (13. Nf3) 13... h6 14. Nf3 g5 15.
Be5 (15. Bc7 $5) 15... Nbd7 16. b4 e6 (16... g4 17. Ne1 Nxe5 18. dxe5 Ne4 19.
Nd3 a6 $15) 17. Bd6 Rf7 18. Ne5 Nxe5 19. Bxe5 Nd7 20. Bxg7 Kxg7 21. f4 a6 22.
Nb3 b6 23. e3 Nf6 24. Ra3 Ne8 25. Nc1 Nd6 26. Re1 Rfa7 27. Nd3 a5 28. bxa5 Rxa5
29. Rxa5 Rxa5 30. Ne5 Bb7 31. b3 b5 32. Rb1 Ra3 33. c4 dxc4 34. bxc4 bxc4 35.
Nxc4 Nxc4 36. Rxb7+ Kf6 37. Bxc6 Rxe3 38. Rh7 gxf4 39. gxf4 Rh3 {#} 40. d5 $6 (
40. Kg2 Rh4 41. Kg3 Rg4+ 42. Kf3 Rh4 43. Kg3 $11) 40... exd5 41. Bxd5 Ne3 42.
Bg8 $2 (42. Rd7 $15) 42... Rf3 43. Rf7+ Kg6 44. h4 Rxf4 45. Re7 Rf3 46. Bf7+
Kf6 47. Ra7 Rf4 48. h5 Kg5 49. Ra6 Kh4 50. Rxh6 $2 Rf1+ 51. Kh2 Ng4+ (51...
Ng4+ 52. Kg2 Nxh6 53. Kxf1 Nxf7 $19) 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.03"]
[Round "1"]
[White "Mambrín, Antonio"]
[Black "Lujambio, Arturo"]
[Result "1-0"]
[ECO "E92"]
[PlyCount "105"]
[EventDate "2004.11.03"]

{Defensa india de rey. Sistema clásico. Sistema Gligoric.
} 1. d4 Nf6 2. c4 g6
3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. Be3 {Sistema Gligoric.} 7... Nc6 8.
d5 Ne7 9. Nd2 Nd7 (9... c5 $14) 10. Qc2 (10. b4 f5 11. f3 Nf6 12. c5 $16) 10...
f5 11. f3 Nf6 12. O-O-O c6 13. Kb1 Bd7 14. c5 $146 (14. dxc6 bxc6 15. Nb3 fxe4
16. fxe4 Qc7 17. Qd2 Bg4 18. c5 d5 19. Bxg4 Nxg4 20. exd5 cxd5 21. Nxd5 Nxd5
22. Qxd5+ Kh8 23. Qe4 Nxe3 24. Qxe3 e4 25. Rd6 a5 26. Rc1 Rab8 27. Nd4 Be5 28.
Qxe4 Bxd6 29. Ne6 Be5 30. b3 Rf2 31. Re1 Rb2+ 32. Kc1 Rb4 33. Nxc7 {
1-0 Groszpeter-Scholseth, Saint John 1988.}) 14... cxd5 15. Nxd5 $2 (15. exd5
$11) 15... Nexd5 16. exd5 Ne8 $2 (16... Nxd5 $2 17. Bc4 Be6 18. Qb3 dxc5 19.
Nf1 Qb6 20. Qxb6 axb6 21. Bxd5 Bxd5 22. Rxd5 $16) (16... f4 17. Bf2 dxc5 $15)
17. c6 $2 (17. h4 $14) 17... bxc6 18. dxc6 Be6 19. Bc4 Qf6 $2 (19... d5 $15)
20. Qb3 Nc7 21. Bxe6+ Qxe6 $2 22. Qxe6+ Nxe6 23. Nc4 Rfc8 24. Rxd6 Nd8 25. Na5
Bf8 26. Rd5 Nxc6 27. Nxc6 Rxc6 28. Rxe5 a6 29. Rd1 Rac8 30. Rc1 Kf7 31. Ra5 Ke6
$2 {#} (31... Rxc1+ 32. Bxc1 Rc6 $16) 32. Rxa6 $1 $18 Rxa6 33. Rxc8 Bd6 34. h3
Be5 35. Re8+ Kd5 36. Re7 h5 37. Rb7 Ra8 38. Rb5+ Ke6 39. Rb6+ Kf7 40. Bd2 Rc8
41. a4 Bd4 42. Rb4 Be5 43. a5 Bd6 44. Rb6 Bc5 45. Rb7+ Ke6 46. b4 Bd4 47. a6 {
Apremio de tiempo de las blancas.} 47... Kd5 48. a7 $2 (48. b5 $18) 48... Ra8
49. Kc2 Rxa7 $2 (49... Kc4 $16) 50. Rxa7 Bxa7 51. Kd3 Bb6 52. Be3 Bd8 53. b5
$18 {Apremio de tiempo.} 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.03"]
[Round "1"]
[White "Mangiaterra, Ricardo"]
[Black "Martínez Dorr, Fernando"]
[Result "1-0"]
[ECO "B04"]
[PlyCount "37"]
[EventDate "2004.11.03"]

{Defensa Alekhine. Variante moderna.
} 1. e4 Nf6 2. e5 Nd5 3. Nf3 d6 4. d4 Nc6
5. h3 $2 (5. c4 Nb6 6. e6 fxe6 7. Be3 $1 $14) 5... dxe5 $146 (5... Bf5 6. a3
dxe5 7. dxe5 e6 8. Bd3 Bxd3 9. Qxd3 Nb6 10. Be3 Qxd3 11. cxd3 Nd5 12. Nc3 Nxc3
13. bxc3 O-O-O 14. Ke2 Na5 15. Rhb1 b6 16. Nd4 c6 17. Nb3 Nxb3 18. Rxb3 Rd5 19.
f4 Ra5 20. c4 {
Nguyen Thi Thuan Hoa-Bathray, camp. de Alemania Sub-13 1997, 1-0 (42).}) 6.
dxe5 Bf5 7. Bd3 Bxd3 8. Qxd3 Ndb4 $6 (8... e6 $11) 9. Qe2 Nd4 10. Nxd4 Qxd4 11.
O-O Nc6 12. e6 f6 $2 (12... O-O-O $14 13. exf7 Qd5) 13. Nc3 (13. Rd1 Qe5 14.
Qxe5 fxe5 15. Be3 $16) 13... O-O-O 14. Be3 Qe5 15. Qc4 g5 16. Rfe1 Qf5 $2 (
16... f5 $16) 17. Rad1 Bg7 18. Nd5 a6 $2 {#} (18... Kb8 19. Rd3 $18 {
por ataque.}) 19. Qxc6 $1 (19. Qxc6 bxc6 20. Nxe7+ Kb8 21. Nxf5 $18) 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.03"]
[Round "1"]
[White "Ortigala, Gonzalo"]
[Black "Razuk, Héctor"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "127"]
[EventDate "2004.11.03"]

{Defensa Pirc -> Defensa siciliana. Sistema cerrado.
} 1. e4 d6 2. Nc3 Nf6 3.
Bc4 g6 4. f4 Bg7 5. Nf3 O-O 6. O-O c5 7. d3 Nc6 8. a3 (8. Qe1) 8... a6 9. Qe1
$146 (9. h3 b5 10. Ba2 Rb8 11. Ne2 a5 12. Rb1 Qc7 13. Nh4 c4 14. f5 Ba6 15. b3
cxd3 16. Qxd3 Ne5 17. Qe3 Qxc2 18. Nc3 b4 19. Rf2 Qxc3 20. Qa7 Qe1+ 21. Kh2 Bd3
22. Bd2 Neg4+ 23. hxg4 Nxg4+ 24. Kg3 Qxf2+ 25. Qxf2 Nxf2 26. Kxf2 Bxb1 27. Bxb1
Rfc8 {0-1 Burndred-Viviam, olimp. fem. de Lucerna 1982.}) 9... Bg4 $6 (9... Nd4
$11) 10. Qh4 $6 (10. e5 $14) 10... Bxf3 11. Rxf3 e6 12. Nd1 $2 (12. Rh3 $13)
12... b5 $2 (12... Nd4 13. Rf2 d5 14. exd5 b5 15. Ba2 Nxd5 $15) 13. Ba2 Nd4 $2
(13... d5 14. e5 Nd7 $11) 14. Rf2 d5 15. c3 Nc6 16. f5 $2 (16. e5 Nd7 17. Qh3
$14) 16... Ne8 $2 (16... Ne5 $15) 17. Bg5 Bf6 18. fxg6 fxg6 {#} 19. Bxf6 $2 (
19. Qh3 Qd6 20. Bf4 Be5 21. Bxe5 Nxe5 22. Rxf8+ Kxf8 23. Qxh7 $18) 19... Rxf6
20. exd5 Rxf2 $2 (20... exd5 $16) 21. Qxf2 exd5 22. Qxc5 Ne7 23. Ne3 Nf6 24.
Rf1 Kg7 25. Qd4 Nc6 26. Qf4 Ra7 27. d4 Na5 28. Qg5 Rd7 29. Qe5 Nc4 30. Bxc4
bxc4 31. Ng4 Rf7 32. Rf3 h5 33. Nxf6 Rxf6 34. Kf2 (34. a4 Qd6 35. Rxf6 Qxf6 36.
Qxd5 $18) 34... Qd6 (34... Kf7) 35. Ke3 Qxe5+ 36. dxe5 Rb6 37. Rf2 g5 38. Kd4
Rb5 39. e6 Rb7 40. Kxd5 (40. Rf7+ Rxf7 41. exf7 Kxf7 42. Kxd5 $18) 40... Re7
41. Kd6 (41. Rf7+) 41... Rb7 42. e7 Rb6+ 43. Kd5 Rb5+ 44. Kxc4 Re5 45. Rf5 Rxe7
46. Rxg5+ Kh6 47. Rg8 Re2 48. b4 Kh7 49. Rg3 Ra2 50. Kb3 Ra1 51. a4 Rb1+ 52.
Kc4 Ra1 53. a5 Kh6 54. Kc5 h4 55. Rg4 Kh5 56. h3 Rc1 57. c4 Rb1 58. b5 axb5 59.
cxb5 Rc1+ {Apremio de tiempo de las negras.} 60. Kb6 Rc8 61. a6 Rb8+ 62. Ka5
Re8 63. a7 Re1 64. a8=Q 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.03"]
[Round "1"]
[White "Aguerreberry, Claudio"]
[Black "González, Víctor"]
[Result "1/2-1/2"]
[PlyCount "0"]
[EventDate "2004.11.03"]

 1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.06"]
[Round "2"]
[White "Pérez Cascella, Julio"]
[Black "Selvetti, Alexis"]
[Result "1-0"]
[ECO "A24"]
[PlyCount "57"]
[EventDate "2004.11.03"]

{Apertura inglesa/defensa india de rey.
} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4
c6 5. O-O d6 6. Nc3 e5 7. d3 O-O 8. Bd2 (8. Rb1 Re8 9. e4 a5 10. a3 Na6 11. b4
axb4 12. axb4 h6 13. Be3 Nc7 14. b5 Ne6 $11 15. bxc6 {
1/2-1/2 Ehlvest-Topálov, olimp. de Ereván 1996.}) 8... h6 9. b4 Be6 10. Rb1
Nbd7 11. Qc1 $146 ({RR} 11. b5 Nc5 12. bxc6 bxc6 13. Na4 Nfd7 14. Nxc5 Nxc5 15.
Qc1 Kh7 16. Ne1 Qc7 17. Qa3 a5 18. Nc2 f5 19. Rb2 e4 20. Rbb1 {
Pribyl-Klemanic, Trnava 1990, 1-0 (44).}) 11... Kh7 12. e4 Nh5 13. Nh4 $6 (13.
b5 $11) 13... f5 $6 (13... Nf4 $1 $15) 14. exf5 gxf5 15. Qd1 Qe8 16. Qe2 (16.
Ne4 $1) 16... Qf7 $2 {#} (16... Bf6 $11) 17. Ne4 $1 fxe4 18. Bxe4+ Kh8 19. Bg6
Nxg3 20. fxg3 Qe7 21. Be4 Rxf1+ 22. Rxf1 Kg8 23. Bf5 Nf6 24. g4 (24. Qf3 $16 a6
25. Bxh6 Bxh6 26. Bxe6+ Qxe6 27. Qxf6) 24... Bxf5 $2 (24... Bf7 $16) 25. Nxf5
Qe6 26. Bxh6 Bxh6 27. Nxh6+ Kh7 28. g5 Ng8 29. Qe4+ (29. Qe4+ Kh8 30. Rf7 $18)
1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.06"]
[Round "2"]
[White "Di Benedetto, Guillermo"]
[Black "Mangiaterra, Ricardo"]
[Result "1/2-1/2"]
[ECO "A59"]
[PlyCount "46"]
[EventDate "2004.11.03"]

{Gambito Benko aceptado.
} 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6
6. Nc3 d6 7. e4 Bxf1 8. Kxf1 g6 9. Nf3 Bg7 10. g3 Nbd7 11. Kg2 O-O 12. Re1 Ng4
13. h3 $6 {Pérdida de tiempo.} (13. Qe2 $1 Nge5 14. Nd2 Nb6 15. f4 Ned7 16. a4
Ra7 17. a5 $14 {Vaïsser-Degraeve, camp. de Francia 1997.}) 13... Nge5 14. Nxe5
Nxe5 15. f4 Nd7 16. Qc2 Qb6 17. b3 $146 (17. Bd2 c4 18. Nd1 Rfc8 19. Bc3 Bxc3
20. Qxc3 Nc5 21. Re2 Nb3 22. Rb1 Rxa2 $15 {
Trifunovic-Kozomara, camp. de Yugoslavia 1951.}) 17... Rfc8 (17... c4 $5) 18.
Rb1 (18. Bb2 $5) 18... Bxc3 19. Qxc3 Rxa2+ 20. Bb2 f6 21. Ra1 Rca8 22. Rxa2
Rxa2 23. Ra1 Rxa1 1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.06"]
[Round "2"]
[White "Sánchez, Christian"]
[Black "Mambrín, Antonio"]
[Result "0-1"]
[ECO "B25"]
[PlyCount "90"]
[EventDate "2004.11.03"]

{Defensa siciliana. Sistema cerrado.
} 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7
5. d3 e6 6. f4 d6 7. Nf3 Nge7 8. Be3 O-O 9. O-O Rb8 10. e5 $6 (10. d4 cxd4 11.
Nxd4 Qb6 12. Nf5 Qxb2 13. Nxe7+ Nxe7 $13 {Saravanan-Zagrebelny, Calcuta 1997.})
(10. Qd2 Nd4 11. Nd1 b6 12. Nh4 f5 13. c3 Ndc6 $11 {
Lebredo-Pinal, Cienfuegos 1983.}) 10... Nf5 (10... b6 $142) 11. Bf2 b6 12. Re1
$6 $146 ({RR} 12. g4 Nfd4 13. Nxd4 Nxd4 14. exd6 f5 15. Ne2 Qxd6 {
1/2-1/2 Van Wissen-Binnendijk, Enschede 1992.}) ({RR} 12. exd6 Qxd6 13. Ne4 Qc7
14. c3 Ba6 15. Qc2 Rfd8 16. Rad1 Rd7 17. Rfe1 Rbd8 18. g4 Nfe7 19. Bg3 Bxd3 20.
Rxd3 Rxd3 21. f5 Ne5 22. f6 Nxf3+ 23. Bxf3 Qd7 24. fxe7 Qxe7 25. Bg2 Qd7 26. g5
Rd1 {Walz-Fischer, Montreal 1956, 0-1 (40).}) 12... Bb7 13. Rb1 a6 14. a3 Qc7
15. Qe2 Ncd4 16. Nxd4 Nxd4 17. Bxd4 cxd4 18. exd6 (18. Bxb7 Rxb7 19. Nd1 $15)
18... Qxd6 19. Ne4 Qc7 20. Ng5 Bxg2 21. Qxg2 Rfd8 22. Re2 h6 23. Ne4 Rbc8 24.
Rf1 (24. g4 $5 Qxf4 25. Rf1 Qc7 26. g5 $132) 24... Qc6 25. g4 f5 26. Nf2 Qxg2+
27. Kxg2 Rc6 28. Rfe1 Kf7 29. Kf3 $2 (29. h4 $15) 29... Bf6 30. Kg3 Rdc8 31. b3
(31. Rc1 g5) 31... Rxc2 {#} 32. Nd1 $2 (32. Rxe6 R8c6 (32... Rxf2 $2 33. g5 $1
Bxg5 34. fxg5 Rd2 35. Rf6+ Kg7 36. Ree6 $11) 33. Rxc6 Rxc6 $17) 32... Rxe2 33.
Rxe2 Rc1 $19 34. Rd2 g5 35. gxf5 exf5 36. h3 gxf4+ 37. Kf3 Be7 38. Nf2 Rf1 39.
Ke2 Ra1 40. Rc2 Rxa3 41. Rc6 Rxb3 42. Rxh6 a5 43. Rc6 a4 44. Rc7 a3 45. Ra7 Rb5
0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.06"]
[Round "2"]
[White "Ciotta, Eric"]
[Black "Ortigala, Gonzalo"]
[Result "0-1"]
[ECO "B28"]
[PlyCount "78"]
[EventDate "2004.11.03"]

{Defensa siciliana. Variante O'Kelly.
} 1. e4 c5 2. Nf3 a6 3. d4 (3. c4) 3...
cxd4 4. Nxd4 Nf6 5. Bd3 (5. Nc3 e5 $11) 5... e5 (5... Nc6) 6. Ne2 $2 (6. Nf3
$14) 6... d5 7. exd5 Nxd5 8. Be4 Nf6 $146 (8... Be6 $11 9. Nbc3 Nb4 10. Qxd8+
Kxd8 11. a3 N4c6 12. Be3 Nd7 13. O-O-O Ke8 14. Bd5 Bf5 15. Ng3 Bg6 16. f4 exf4
17. Bxf4 Rc8 18. Rhe1+ Kd8 19. h4 h5 20. Nge4 Be7 21. Ng5 Rf8 22. Nce4 Na5 23.
c3 b5 24. Nd6 Rc5 25. Ba2 Nc4 26. Nb7+ Kc8 27. Nxc5 Bxc5 28. Bxc4 bxc4 29. Bd6
Bxd6 30. Rxd6 {1-0 Seidler-Ambelang, Alemania 1995.}) 9. Qxd8+ Kxd8 10. Bd3 Be6
11. Ng3 (11. Nbc3 Nbd7 12. f4) 11... Nc6 12. a3 Bc5 13. Nc3 h6 14. Nf5 g6 (
14... Bxf5 15. Bxf5 Kc7 $36) 15. Nxh6 $2 (15. Ne3 $11) 15... Kc7 $2 (15... Nd7
$15) 16. f3 Rh7 17. Bg5 Be7 18. Bxf6 Bxf6 19. Ng4 Bh4+ 20. Nf2 (20. Kf1 $11)
20... Rah8 21. h3 f5 22. Rf1 b5 23. a4 b4 24. Nb1 $2 {#} (24. Ne2 $15) 24...
Nd4 $2 (24... Rd8 25. Nd2 b3 26. Ra3 bxc2 27. Bxc2 Rhd7 28. Nb1 Bc4 $19) 25.
Nd2 Kb7 26. O-O-O $2 (26. c3 Nb3 27. Nxb3 Bxb3 28. cxb4 Rd7 $15) 26... Rc7 27.
Kb1 Rhc8 28. f4 $2 (28. b3 $17) 28... Nxc2 $2 (28... exf4 $19) 29. Bxc2 Rxc2
30. fxe5 b3 $2 (30... Bd5 $15) 31. Nd3 g5 32. Nf3 Rxg2 $2 (32... Bd5 $14) 33.
Nxh4 gxh4 34. Rf2 $4 (34. Nf4 $18) 34... Rxf2 35. Nxf2 f4 $19 {
Apremio de tiempo de las blancas.} 36. Rd4 Bf5+ 37. Nd3 f3 38. Rb4+ Ka7 39.
Rxb3 f2 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.06"]
[Round "2"]
[White "González, Víctor"]
[Black "Sampaoli, Cristián"]
[Result "0-1"]
[ECO "B14"]
[PlyCount "110"]
[EventDate "2004.11.03"]

{Defensa Caro-Kann. Ataque Pánov-Botvínnik.
} 1. e4 d5 2. exd5 Nf6 3. c4 c6 4.
d4 cxd5 5. Nc3 e6 6. Bg5 (6. Nf3 Be7 7. cxd5 Nxd5 {traspone a la semi-Tarrasch.
}) 6... Be7 7. Nf3 O-O 8. Bd3 dxc4 9. Bxc4 b6 10. O-O Bb7 11. Qe2 Nc6 12. Rfd1
(12. Rad1) 12... Nb4 13. Rac1 (13. Ne5 Nfd5 14. Bxe7 Qxe7 15. a3 Nf4 16. Qg4
Nbd5 17. Nxd5 Nxd5 18. Re1 Rad8 19. Bd3 f5 20. Qg3 Nf6 21. Rac1 Rxd4 22. Nc6
Bxc6 23. Rxc6 Qd7 24. Bb5 Ne4 25. Qb3 a6 {0-1 Kaspárov-Dolmátov, Moscú 1977.})
13... Rc8 14. a3 $2 $146 (14. Ne5 $11 {Mueller-Weglarz, Poznan 1987.}) 14...
Bxf3 15. gxf3 {#} 15... Nbd5 (15... Nfd5 $5 16. Bxe7 Qxe7 17. Qe5 (17. axb4
Qg5+ 18. Kf1 Nf4 19. Qe5 Qxe5 20. dxe5 Rxc4 $17) 17... Qd8 18. Nxd5 Nxd5 19.
Bxd5 Qxd5 20. Qxd5 exd5 $15) 16. Ne4 $2 (16. f4 $15) 16... Nxe4 17. Bxe7 Qxe7 (
17... Nec3 $5 18. bxc3 Qxe7 19. Bxd5 Qg5+ 20. Kh1 Qxd5 $17) 18. fxe4 b5 19.
exd5 Qg5+ 20. Kh1 Rxc4 21. Qe5 Qg4 $2 (21... Rxc1 22. Qxg5 Rxd1+ 23. Kg2 Rxd4
24. dxe6 fxe6 25. Qxb5 Rd2 26. Kg3 Rdxf2 27. Qd7 Rxb2 28. Qxe6+ Kh8 $19 {#})
22. d6 (22. dxe6 fxe6 23. Qe3 $15) 22... Rfc8 23. Qe3 Qf5 24. b3 Qd5+ 25. Kg1
R4c6 26. Rxc6 Rxc6 27. Rc1 Qxd6 28. Rc5 Rxc5 29. dxc5 Qd7 (29... Qd1+ 30. Kg2
Qd5+ 31. Kg3 Kf8) 30. Qe4 Kf8 31. Qa8+ Ke7 32. c6 Qc7 33. Qb7 Kd6 34. Qxb5 Qxc6
$2 (34... e5 $15) 35. Qb8+ Qc7 36. Qf8+ Kd5 37. Kg2 $2 (37. Qxg7 $11 Qc1+ 38.
Kg2 Qxa3 39. Qxf7 Qxb3 40. Qxa7) 37... f5 38. b4 g5 39. Qa8+ Kc4 40. h3 (40.
Qe8) 40... Qd7 41. Qf3 $2 Qd5 {Apremio de tiempo de las blancas.} 42. Qxd5+
exd5 $19 43. Kf3 d4 44. Ke2 Kb3 45. Kd3 Kxa3 46. Kxd4 Kxb4 47. Ke5 f4 48. Kf5
a5 49. Kxg5 a4 50. Kxf4 $19 a3 51. Kg5 a2 52. Kh6 a1=Q 53. Kxh7 Qh1 54. Kg6
Qxh3 55. f4 Qg4+ 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.05"]
[Round "2"]
[White "Savoretti, Ernesto"]
[Black "Aguerreberry, Claudio"]
[Result "0-1"]
[ECO "D85"]
[PlyCount "68"]
[EventDate "2004.11.03"]

{Defensa Gruenfeld. Variante del cambio moderna.
} 1. d4 Nf6 2. c4 g6 3. Nc3
d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 O-O 8. Be2 c5 9. Rb1 cxd4 10.
cxd4 Qa5+ 11. Bd2 Qxa2 12. O-O Qe6 (12... Bg4) 13. Qc2 b6 (13... Qc6 14. Qd3
Qd6 15. Bb4 Qd8 16. d5 $14 {Guélfand-Kamsky, Belgrado 1991.}) 14. d5 Qd6 15.
Bb4 Qd7 $146 (15... Qd8 16. d6 exd6 17. Rfd1 Bb7 18. Bxd6 Re8 19. e5 Nc6 20.
Bb5 Rc8 21. Qa2 Qd7 22. Ng5 Re6 23. Nxe6 fxe6 24. Ba6 Bxa6 25. Qxa6 {
Cech-Wipczynski, Stockerau 1991, 1-0 (45).}) 16. e5 $2 (16. Rfd1 $14) 16...
Qxd5 17. Bxe7 Bf5 18. Qa4 Bxb1 $2 (18... Qd7 19. Qxd7 Nxd7 20. Bxf8 Kxf8 $15)
19. Bxf8 Bxf8 20. Rxb1 Nd7 $2 {#} (20... Nc6 $14) 21. Rd1 $2 (21. Bc4 Qb7 22.
e6 Nc5 23. exf7+ Kh8 24. Qe8 $16) 21... Nc5 22. Qh4 Qe4 23. Qxe4 Nxe4 24. Rd7
Rc8 25. g3 $2 (25. Rxa7 Rc1+ 26. Bf1 b5 $17) 25... a5 {Jugada ilegible.} 26.
Bd3 Rc1+ 27. Bf1 Bc5 28. Nd4 Nd2 29. Rd8+ Bf8 30. e6 Rxf1+ 31. Kg2 Re1 32.
exf7+ Kxf7 33. Nc2 Re2 34. Nd4 Re8 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.06"]
[Round "2"]
[White "Lujambio, Arturo"]
[Black "Palau, Ignacio"]
[Result "1-0"]
[ECO "D24"]
[PlyCount "113"]
[EventDate "2004.11.03"]

{Gambito de dama aceptado. Variante de los dos caballos.
} 1. d4 d5 2. c4 dxc4
3. Nf3 Nf6 4. Nc3 a6 5. a4 Nc6 6. e4 Bg4 7. Be3 e5 8. d5 (8. dxe5 Nd7 9. Bxc4
Ndxe5 10. Nxe5 Nxe5 11. Be2 Qxd1+ 12. Rxd1 Be6 $11) 8... Na5 9. Qc2 Bd6 $146 (
9... Bxf3 10. gxf3 Nh5 11. Rd1 Qf6 12. Rg1 h6 13. Na2 b5 14. Qc3 Nb3 15. Bxc4
bxc4 16. Qxc4 Nd4 17. Rxd4 exd4 18. Bxd4 Qd6 19. e5 Qd7 20. Nc3 Rb8 21. Rg4 Bb4
22. Kf1 Bxc3 23. bxc3 O-O 24. e6 fxe6 25. dxe6 Qd6 26. Re4 Rfe8 27. e7+ Kh7 28.
Rh4 Rb1+ 29. Kg2 Rxe7 {0-1 Reddmann-Putzbach, Hamburg 1992.}) 10. Nd2 c6 11.
dxc6 Nxc6 12. Bxc4 O-O 13. O-O Rc8 14. f3 Nd4 15. Qd3 Be6 16. Rfd1 (16. Ne2 $11
) 16... Bc5 17. Bxe6 {#} 17... Nxf3+ $4 (17... Nxe6 $15) 18. Nxf3 Qxd3 19. Rxd3
fxe6 20. Bxc5 Rxc5 $18 21. Rad1 b5 22. axb5 axb5 23. h3 b4 24. Na4 Ra5 25. b3
Nxe4 26. Re3 Nc5 27. Rxe5 $2 (27. Nxc5 Rxc5 28. Nxe5 $18) 27... Nxb3 28. Rxa5
Nxa5 29. Rd4 (29. Nc5) 29... Rb8 30. Ne5 h6 31. Nb2 Nb3 32. Nc6 Nxd4 33. Nxb8
Kf7 34. Kf2 e5 35. Ke3 Ke6 36. Na6 b3 37. Ke4 Kd6 38. Nc4+ Kc6 39. Nxe5+ Kb5
40. Nc7+ (40. Kxd4) 40... Kc5 41. Nd3+ Kc4 42. Nd5 Nc2 43. Nb2+ Kc5 44. Ne3 Ne1
45. Nd3+ Kb5 $5 46. Kd4 (46. Nxe1 $4 b2 $19) 46... Kc6 47. Kc3 Nxg2 48. Nxg2
Kd5 49. Kxb3 Ke4 50. Nde1 g5 51. Kc3 h5 52. Kd2 h4 53. Ke2 g4 54. hxg4 $18 h3
55. Nf3 hxg2 56. Kf2 g1=Q+ 57. Kxg1 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.06"]
[Round "2"]
[White "Sepliarsky, Mario"]
[Black "Sanhueza, Cristián"]
[Result "1-0"]
[ECO "D26"]
[PlyCount "65"]
[EventDate "2004.11.03"]

{Gambito de dama aceptado. Sistema clásico.
} 1. d4 e6 2. c4 d5 3. Nc3 dxc4 4.
e3 Nf6 5. Bxc4 c5 6. Nf3 Nc6 7. O-O a6 8. a3 b5 9. Ba2 Bb7 {#} 10. d5 $2 $146 (
10. Qe2 $11 {Petrosián-Prins, Sverdlovsk 1952.}) 10... exd5 11. Nxd5 c4 12. e4
$2 (12. Nc3 Qxd1 13. Rxd1 Rd8 $15) 12... Nxe4 13. Bf4 (13. Re1 Ne7) 13... Ne5
14. Nxe5 Qxd5 15. Qg4 $2 (15. Qf3 $17) 15... h5 16. Qh3 Bc5 17. Rae1 O-O 18.
Bb1 Nxf2 19. Rxf2 Bxf2+ 20. Kxf2 Qd4+ 21. Kg3 Qxb2 22. Nf3 Bxf3 23. gxf3 g6 24.
Qh4 Rfe8 25. Be4 Rad8 $2 (25... Qxa3 $19 26. Bxa8 Rxe1) 26. Qg5 Qg7 27. h4 c3
28. Rg1 Rc8 29. Kh3 c2 30. Qd5 $2 (30. Bc1 $17) 30... Red8 31. Qa2 Kh8 $2 (
31... Rc4 $19) 32. Rc1 Qf6 $4 (32... f5 33. Bxc2 Rc4 34. Bg5 Rdc8 $17) 33. Bg5
(33. Bg5 Qd6 34. Qxf7 Rf8 35. Qb3 $16) 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.06"]
[Round "2"]
[White "Razuk, Héctor"]
[Black "Colombo Berra, Pablo"]
[Result "0-1"]
[ECO "B00"]
[PlyCount "90"]
[EventDate "2004.11.03"]

{Defensa Owen.
} 1. e4 b6 2. Nc3 Bb7 3. g3 (3. d4) 3... e6 4. Bg2 Nf6 5. Nge2
d5 $146 (5... c5 6. d3 Be7 7. O-O d6 8. e5 Nd5 9. exd6 Qxd6 10. Ne4 Qd7 11. b3
Nc6 12. Bb2 e5 13. Qd2 f5 14. N4c3 Nd4 15. f4 Nxc3 16. Nxc3 exf4 17. Bxb7 Qxb7
18. Qxf4 O-O 19. Rf2 Bf6 20. h4 Rae8 21. Rg2 Be5 22. Qf1 f4 23. Ne4 fxg3 24.
Qc1 Nf3+ 25. Kh1 Qd7 26. Ng5 Nxg5 27. hxg5 Qh3+ 28. Kg1 Bf4 {
0-1 L. Paulsen-Neumann, Leipzig (m) 1864.}) 6. exd5 exd5 7. O-O Be7 8. d4 $6
O-O 9. Bg5 Re8 10. Nf4 c6 11. Nd3 Ba6 (11... Nbd7 $15) 12. Re1 Bxd3 $6 13. Qxd3
h6 14. Bd2 a5 15. a3 Na6 16. Ne2 Nc7 17. c3 (17. c4 $5) 17... Nb5 18. Nf4 Nd6
19. f3 $6 (19. b3 $11) 19... Nc4 20. Qc2 Bd6 21. Nd3 Qc7 22. Rxe8+ Rxe8 23. Re1
Rxe1+ 24. Bxe1 Qe7 25. Bf2 Qe6 $6 (25... b5 $15) 26. a4 Nh7 27. b3 Na3 28. Qc1
Qe2 29. Ne1 $2 (29. Bf1 Qxf3 30. Ne5 Qf5 31. Nxc6 $11) 29... Qa2 30. Qd1 Nb1
31. c4 dxc4 32. bxc4 Nc3 33. Qd3 Nxa4 {#} 34. d5 $4 (34. Bf1 $15) 34... cxd5 $2
(34... Bc5 35. Bxc5 Nxc5 36. Qd1 cxd5 37. cxd5 Nf6 38. d6 Qe6 $19) 35. Qxd5 Qa3
(35... Bc5 $17) 36. Qa8+ $2 (36. Nd3 $15) 36... Nf8 37. Qd8 Bc5 38. Nd3 Bxf2+
39. Nxf2 Qc5 40. Bf1 Nb2 41. Qd5 a4 42. Qxc5 bxc5 43. Ne4 Ne6 44. Kf2 a3 45.
Nc3 Nd1+ (45... Nd1+ 46. Nxd1 a2 $19) 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.06"]
[Round "2"]
[White "Martínez Dorr, Fernando"]
[Black "De Pauli, Manuel"]
[Result "0-1"]
[ECO "C13"]
[PlyCount "118"]
[EventDate "2004.11.03"]

{Defensa francesa. Sistema clásico. Variante Vistaneckis.
} 1. e4 e6 2. d4 d5
3. Nc3 Nf6 4. Bg5 Be7 5. e5 Ng8 {La variante Vistaneckis.} 6. Bxe7 Nxe7 7. f4
b6 8. Nf3 Qd7 9. Qd2 Ba6 10. O-O-O $146 (10. Bxa6 Nxa6 11. O-O c5 12. Ne2 Nc7
13. c3 a5 14. Rab1 O-O {Moutousis-Gonzales, olimp. de Novi Sad 1990, 1-0 (54).}
) 10... h5 11. h3 $6 (11. Qf2 $14) 11... h4 12. Qf2 Nf5 13. Bxa6 Nxa6 14. Ne2
Nb4 15. a3 Nc6 16. Kb1 O-O-O (16... Nce7 $15) 17. Rd3 Kb7 18. Rc1 Na5 19. Rh1
Nc4 20. g4 hxg3 21. Nxg3 Nxg3 22. Qxg3 g6 23. h4 $6 Rh5 24. Nh2 $4 (24. Qe1 $15
) 24... Qb5 25. b3 Nxa3+ 26. Kb2 {#} 26... Qb4 $2 (26... Nc4+ 27. Kb1 c5 28.
Nf3 Rc8 29. Qf2 Na3+ 30. Kb2 c4 31. Rc3 Qb4 $19) 27. Ra1 Nb5 (27... Nc4+ $17)
28. Nf3 a5 29. Ra4 Qe7 30. c4 Na7 31. Ng5 Nc6 32. cxd5 exd5 33. Nf3 Nb4 34. Rd2
Qd7 35. Ra1 Qf5 36. Ng5 $2 (36. Ne1 $17) 36... Rf8 37. Re1 f6 38. Nh3 Rfh8 39.
exf6 Rxh4 40. Ng5 Qxf6 41. Re6 Qf5 42. Re7 Rh1 43. Qc3 Qb1+ 44. Ka3 Qa1+ 45.
Qxa1 Rxa1+ 46. Kb2 Ra2+ 47. Kc3 Rxd2 $2 (47... Rh2 $1 48. Rxh2 Rxh2 49. f5 Rc2#
) 48. Kxd2 Rh2+ 49. Ke3 Rb2 50. Ne6 Rxb3+ 51. Ke2 Na6 52. Rg7 {
Apremio de tiempo de las blancas.} 52... a4 53. Rxg6 a3 54. Rg1 a2 55. Ra1 Nb4
56. f5 Rb2+ 57. Kf3 Rb1 58. Rxa2 Nxa2 59. Ke2 Nc3+ 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.10"]
[Round "3"]
[White "Mambrín, Antonio"]
[Black "Pérez Cascella, Julio"]
[Result "1-0"]
[ECO "E61"]
[PlyCount "93"]
[EventDate "2004.11.03"]

{Defensa india de rey. Variante Smyslov.
} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4.
Bg5 c5 5. dxc5 Na6 6. g3 Nxc5 7. Bg2 Ne6 $146 (7... d6 8. Rc1 O-O 9. b4 Ne6 10.
Bd2 a5 11. a3 axb4 12. axb4 Nd4 13. Nh3 Be6 14. Nd5 Nxd5 15. cxd5 Bd7 16. Rc3
Ra2 17. Qb1 Qa8 18. Rc1 Bf5 {
0-1 Smyslov-Gligoric, torneo de candidatos Bled/Zagreb/Belgrado 1959.}) 8. Bd2
O-O 9. Nh3 d6 10. b3 a6 11. O-O Rb8 12. a4 a5 13. Rb1 Nc5 14. Nf4 Bf5 15. Rc1
Nfe4 16. Nxe4 Nxe4 (16... Bxe4 $11) 17. Bxe4 Bxe4 18. Bc3 Bxc3 19. Rxc3 Bc6 20.
Qd3 {#} 20... e6 $6 21. Rd1 Qf6 22. Qe3 Rfd8 (22... Rbd8 $142) 23. Rcd3 g5 24.
Nh3 h6 25. f4 Qf5 26. Nf2 gxf4 27. Qxf4 Qxf4 28. gxf4 Kh7 29. Rxd6 Rg8+ 30. Kf1
Rbe8 (30... Rg6 31. e4 Rbg8 $16) 31. R1d3 (31. e4) 31... Rg6 32. Rg3 e5 $2 (
32... Reg8 $16) 33. Rgxg6 fxg6 34. Ng4 Rf8 35. Nf6+ Kg7 36. fxe5 Rf7 37. Rd3
Re7 38. Re3 g5 39. Nd5 Re6 40. Nc7 (40. Ke1 $18) 40... Re7 41. Nb5 $2 (41. Nd5
$18) 41... Kg6 $2 (41... Bxb5 42. axb5 Kg6 $16) 42. Nd4 h5 43. Ke1 (43. Kf2 $18
) 43... g4 44. e6 Kf6 45. Kf2 h4 46. Rd3 Be4 47. Rd1 {Apuro de tiempo.} 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.10"]
[Round "3"]
[White "Ortigala, Gonzalo"]
[Black "Sampaoli, Cristián"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "66"]
[EventDate "2004.11.03"]

{Defensa escandinava. Gambito Marshall-Blackburne.
} 1. e4 d5 2. exd5 Nf6 3.
d4 Nxd5 4. Nf3 g6 5. c4 Nb6 6. Nc3 Bg7 7. Be3 O-O 8. Be2 (8. h3 Nc6 9. Qd2 e5
10. d5 Ne7 11. g4 e4 12. Ng5 f5 13. O-O-O h6 14. Ne6 Bxe6 15. dxe6 Qxd2+ 16.
Rxd2 Rfd8 17. Rxd8+ Rxd8 18. c5 $14 {
Hellers-Kristiansen, zonal de Gausdal 1987.}) 8... Nc6 9. h3 e5 10. d5 Ne7 11.
Qd2 (11. O-O) 11... Nf5 12. Bc5 Nd6 $146 (12... Re8 13. O-O Nd7 14. Be3 b6 15.
Ne4 Nxe3 16. Qxe3 f5 17. Nc3 a6 18. Nd2 Bb7 19. Rac1 Qh4 20. Rc2 e4 21. g4 Be5
22. f4 exf3 23. Qxf3 Bd4+ 24. Kh2 Re3 25. Qg2 Be5+ 26. Kg1 Rg3 {
0-1 Arato-Havasi, camp. de Hungría 1995.}) 13. b3 (13. Qg5 $11) 13... Re8 14.
O-O Nd7 (14... e4 15. Nd4 Qe7 16. Bxd6 cxd6) 15. Ba3 Nf5 16. Ne4 Nf6 17. Nxf6+
Qxf6 18. Bb2 Qd8 19. Rfe1 e4 20. Nd4 Bh6 21. Qc3 {#} 21... e3 $4 (21... Bg7 22.
Qd2 Bh6 $11) 22. Nxf5 exf2+ 23. Kh2 $4 (23. Kxf2 $18 Bxf5 $2 24. Qh8#) 23...
Bf4+ 24. g3 Be5 25. Nh6+ Kg7 26. Qf3 (26. Qd2 fxe1=Q 27. Bxe5+ Rxe5 28. Rxe1
Qe7 $18) 26... fxe1=Q 27. Nxf7 Qxa1 28. Nxd8 Qxb2 29. Qf7+ Kh6 30. Qxe8 Qxe2+
31. Kh1 Qf1+ 32. Kh2 Qxh3+ 33. Kg1 Bd4+ (33... Bd4+ 34. Qe3+ Bxe3#) 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.10"]
[Round "3"]
[White "Mangiaterra, Ricardo"]
[Black "Aguerreberry, Claudio"]
[Result "1/2-1/2"]
[ECO "C30"]
[PlyCount "51"]
[EventDate "2004.11.03"]

{Gambito de rey rehusado.
} 1. e4 e5 2. f4 d6 3. Nf3 Nc6 4. Nc3 Nf6 5. Bb5 Bd7
6. O-O (6. d3 exf4 7. Bxf4 Be7 8. O-O O-O 9. d4 $16) 6... Be7 7. Kh1 O-O {#} 8.
d4 $2 $146 (8. d3 exf4 (8... Nh5 $2 9. Bxc6 bxc6 10. Nxe5 Ng3+ 11. hxg3 dxe5
12. fxe5 $16 {Lasker-McLeod, Quebec 1892.}) 9. Bxf4 $14) 8... exd4 9. Nxd4 Nxd4
10. Qxd4 Bxb5 11. Nxb5 d5 (11... c6 12. Nc3 Re8 {><e4}) 12. e5 Ne4 (12... c6 $5
13. exf6 Bxf6 14. Qa4 cxb5 15. Qxb5 Rc8 16. c3 d4 17. cxd4 Qxd4 18. Qxb7 Rc2
$15) 13. Be3 (13. Nc3 Bc5 14. Qxd5 Nf2+ 15. Kg1 Nh3+ 16. Kh1 Nf2+ $11) 13... f5
14. Qd3 c5 15. Rad1 (15. Rfd1 $142) 15... a6 (15... d4) 16. Nc3 Nxc3 17. bxc3
c4 18. Qxd5+ Qxd5 19. Rxd5 Rfd8 20. Rfd1 Rxd5 21. Rxd5 Rd8 22. Rd4 (22. Rxd8+
Bxd8 23. a4 $14) 22... Kf7 (22... b5 $11) 23. Kg1 (23. g4 $5) 23... b5 24. Kf2
Ke6 25. Kf3 h5 26. Bf2 1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.10"]
[Round "3"]
[White "Colombo Berra, Pablo"]
[Black "Di Benedetto, Guillermo"]
[Result "0-1"]
[ECO "A03"]
[PlyCount "70"]
[EventDate "2004.11.03"]

{Apertura Bird.
} 1. f4 d5 2. g3 g6 3. Bg2 Bg7 4. Nf3 Nf6 5. O-O O-O 6. e3 $6
(6. d3 c5 7. Qe1 Nc6 8. c3 b6 9. e4 dxe4 10. dxe4 e6 11. Qe2 $11 {
Mascarinas-Hmadi, interzonal de Manila 1990.}) 6... c5 7. Ne5 $146 (7. d3 Nc6
8. Nbd2 Qc7 9. e4 dxe4 10. Nxe4 b6 11. Ne5 Bb7 12. Nxc6 Bxc6 13. Nxf6+ Bxf6 14.
Qe2 Bxg2 15. Qxg2 c4 16. dxc4 Qxc4 17. Kh1 Rac8 18. c3 Rfd8 19. Be3 Rd3 20.
Rfe1 Rcd8 21. a3 R3d7 22. Rac1 b5 {
Plater-Cortlever, olimp. de Helsinki 1952, 1/2-1/2 (41).}) 7... Nc6 8. d4 cxd4
(8... Bf5 $15) 9. exd4 Bf5 10. c3 Qc7 11. Re1 Bxb1 $2 (11... Be4) 12. Rxb1 e6
13. g4 Ne7 14. Qe2 (14. g5 Ne8 15. Qa4 $14) 14... Ne8 15. h4 (15. Rf1) 15...
Nd6 16. h5 gxh5 {#} 17. gxh5 $2 (17. f5 $1 hxg4 18. fxe6 fxe6 19. Qxg4 $13)
17... Nef5 18. Kh2 Kh8 19. Qf2 Bf6 20. Ng4 $4 (20. Rg1 $15) 20... Bh4 21. Qe2
Bxe1 22. Qxe1 Qe7 23. b3 Qh4+ (23... Ne4 $19) 24. Qxh4 Nxh4 25. Bh3 (25. Ba3)
25... Nhf5 26. Ba3 Rfc8 27. Ne5 f6 (27... Rxc3 $19) 28. Bxf5 (28. Bxd6 Nxd6 29.
Bxe6 Rxc3) 28... Nxf5 29. Nd7 Kg7 30. Nc5 Kf7 31. Re1 b6 32. Na4 Rg8 33. c4 Rg4
34. cxd5 Rag8 35. dxe6+ Ke8 (35... Ke8 36. d5 Rh4#) 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.10"]
[Round "3"]
[White "De Pauli, Manuel"]
[Black "Sepliarsky, Mario"]
[Result "0-1"]
[ECO "A40"]
[PlyCount "50"]
[EventDate "2004.11.03"]

{Defensa francoindia.
} 1. d4 e6 2. g3 c5 3. Nf3 cxd4 4. Nxd4 Qb6 5. Bg2 Bc5
6. e3 Nf6 7. O-O $146 (7. c4 {traspone a la apertura inglesa.}) (7. Nb3 Be7 8.
c4 Qc7 9. Qe2 d6 10. Nc3 a6 11. e4 Nbd7 12. O-O O-O 13. Be3 Ne5 14. Nd2 Neg4
15. Bf4 e5 16. Bg5 h6 17. Bxf6 Nxf6 18. Rfc1 Qb6 19. Nf1 Be6 20. Ne3 Rfc8 {
1/2-1/2 Mecking-Short, Buenos Aires 2001.}) 7... O-O (7... d5 $11) 8. Nc3 Be7
9. e4 d6 10. Nb3 (10. Ndb5 $5) 10... a6 11. Be3 Qc7 12. a4 Nc6 13. a5 Nd7 14.
f4 b5 15. axb6 Nxb6 16. Qe2 Rb8 17. Rfc1 (17. Nd4 $14) 17... Bf6 18. Bf1 Re8 (
18... Bxc3 19. bxc3 d5 $11) 19. Qf2 Nb4 20. Bd4 e5 21. fxe5 (21. Be3 $11) 21...
Bxe5 22. Bxe5 Rxe5 23. Na5 (23. Ne2) 23... Be6 {#} 24. Qd4 $4 (24. Nb3 $15)
24... Rxa5 25. Qxb4 (25. Rxa5 Nc6 $19) 25... Nc4 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.10"]
[Round "3"]
[White "Selvetti, Alexis"]
[Black "Sánchez, Christian"]
[Result "1-0"]
[ECO "A11"]
[PlyCount "87"]
[EventDate "2004.11.03"]

{Apertura Réti. Variante Bled.
} 1. Nf3 d5 2. c4 c6 3. b3 Nf6 4. Bb2 g6 (4...
Bg4) 5. g3 Bg7 6. Bg2 O-O 7. O-O Qb6 (7... Bg4 8. d3 Nbd7 9. Nbd2 Re8 10. h3
Bxf3 11. Nxf3 e5 12. cxd5 cxd5 13. Rc1 e4 14. dxe4 dxe4 15. Nd4 Qb6 16. Nc2 $14
{Glek-Van Mil, Wijk aan Zee 1995.}) 8. Qc2 Na6 9. a3 (9. d3 Rd8 10. Nbd2 Bg4
11. h3 Bxf3 12. Bxf3 Nb4 13. Qc1 c5 14. cxd5 Nfxd5 15. Bxg7 Kxg7 16. Qc4 $14 {
Miles-García Gonzales, Hastings 1974.}) 9... Nc5 $146 (9... Bf5 10. d3 Rfd8 11.
Nc3 dxc4 12. bxc4 Nc5 13. Rad1 a5 14. Nh4 Bg4 15. Rb1 Qc7 16. h3 Bc8 17. Na4
Nxa4 18. Qxa4 e5 19. Bc1 Qe7 20. Be3 Nd7 21. Nf3 Nc5 22. Qc2 Ne6 23. Qa2 Nd4
24. Rfe1 {Horvath-Baumann, zonal fem. de Graz 1991, 1-0 (62).}) 10. b4 Na6 (
10... Ne6) 11. d3 dxc4 12. Qxc4 Be6 13. Qh4 $5 (13. Qc2 $14) 13... h6 14. Nbd2
Rfd8 15. Ne4 $5 {#} (15. Nc4 Qc7 16. Bxf6 exf6 17. Nd4 $11) 15... Nxe4 (15...
g5 16. Nfxg5 (16. Nxf6+ Bxf6 17. Qxh6 Bxb2 18. Nxg5 Bf5 $1 (18... Nc7 19. Bh3
Bg7 20. Qh7+ Kf8 21. Qh5 $14) (18... Rd6 19. Qh7+ Kf8 20. Bh3 Bd5 21. e4 Bxa1
22. exd5 Bg7 23. Be6 fxe6 24. Qg6 Kg8 25. Qh7+ Kf8 $11 {#}) 19. Be4 c5 20. Qxb6
axb6 21. Bxf5 Bxa1 22. Rxa1 Nxb4 $17) 16... hxg5 17. Qxg5 Rd5 18. Nxf6+ exf6
19. Qh4 Rg5 20. Be4 $13) 16. Bxg7 Kxg7 17. Qxe4 Rd6 18. Rfe1 Rad8 19. Rab1 Qc7
$6 (19... Nc7 $14) 20. Qe3 {><a7} 20... b6 $2 (20... Qb6 21. Qxb6 axb6 22. b5
cxb5 23. Rxb5 $14) 21. Rec1 {><c6} 21... Nb8 22. Rc2 f6 23. Rbc1 Qd7 24. Nd2
Bd5 25. Ne4 (25. Bxd5 Rxd5 (25... cxd5 $2 26. Rc7 $18) 26. Nf3 $14) 25... Bxe4
26. Bxe4 Qe6 $2 (26... e5 $16) 27. Bxc6 Qxe3 28. fxe3 Nxc6 29. Rxc6 Rxc6 30.
Rxc6 Rd7 31. e4 Kf7 32. Kf2 Rb7 33. Ke3 Rd7 34. d4 e6 35. Kd3 Ke7 36. Kc4 Rb7
37. d5 exd5+ 38. exd5 Rd7 39. e4 Kf7 40. a4 Re7 41. Kd4 Rd7 42. a5 bxa5 43.
bxa5 Rb7 44. Kc5 {Apremio de tiempo.} 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.10"]
[Round "3"]
[White "Lujambio, Arturo"]
[Black "Ciotta, Eric"]
[Result "1-0"]
[ECO "E91"]
[PlyCount "128"]
[EventDate "2004.11.03"]

{Defensa india de rey. Variante Averbaj.
} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4
d6 5. Bg5 h6 6. Bh4 O-O (6... g5 7. Bg3 c5 8. d5 Qa5 $11 {
Spasski-Fischer, Belgrado (m/16) 1992.}) 7. Be2 Nbd7 8. Nf3 g5 9. Bg3 Nh5 10.
Qd2 c5 (10... e6 $13 11. d5 exd5 12. cxd5 Re8 13. Nd4 Nxg3 14. hxg3 Nf6 15. f3
c6 16. O-O-O cxd5 17. exd5 Qb6 18. Bb5 Re5 19. Rhe1 Nh5 20. g4 Rxe1 21. Rxe1
Bxg4 22. fxg4 Bxd4 23. gxh5 Bxc3 24. Qxc3 Qxb5 25. Qf3 Re8 {
Yépez-Fischer, olimp. de La Habana 1966, 0-1 (41).}) 11. d5 Nxg3 $146 (11...
Ndf6 12. h4 Nxg3 13. fxg3 g4 14. Nh2 e5 15. Qd1 h5 16. O-O Bh6 17. Qd3 Ne8 18.
Rf2 a6 19. a4 Rb8 {Wiltshire-Durao, Cappelle 1992, 1/2-1/2 (33).}) 12. hxg3 Ne5
$2 (12... Qa5 $11) 13. Nxe5 dxe5 14. O-O (14. O-O-O $5) (14. Qe3 $14) 14... a6
15. Rfd1 Qd6 16. Rab1 Bd7 17. a3 Rfb8 18. Qe3 b6 19. b4 Bf8 20. Rd2 Kg7 21.
Rdb2 e6 22. Rd2 exd5 23. Rxd5 Qc7 24. b5 a5 25. Rbd1 Be6 26. R5d2 Rd8 27. Nd5
Bxd5 28. exd5 Bd6 29. Qe4 Rh8 30. Rd3 h5 31. Rf3 Rag8 32. Bd3 Rh6 33. Rf5 Kf8
34. Re1 Ke8 35. Re3 Qe7 36. Ref3 $6 (36. f4 gxf4 37. gxf4 exf4 38. Qxe7+ Bxe7
39. Rxf4 $14) 36... Rg7 {><f5} 37. Be2 Kd8 38. Re3 h4 $2 (38... g4 $15) 39. Bg4
(39. g4 $14) 39... hxg3 40. Rxg3 Kc7 41. Rff3 Rg8 42. Rh3 Rf6 $2 (42... Rh4 $11
) 43. Rh7 {Apremio de tiempo de las negras.} 43... Rf4 44. Rxf4 exf4 45. Qxe7+
Bxe7 46. Rxf7 Kd6 47. Rh7 Bd8 48. Kf1 Ke5 49. Rh3 Kd4 50. Be2 Rf8 51. Rd3+ $2 (
51. d6 $16) 51... Ke5 $2 (51... Kxc4 52. d6 Kxb5 53. Rd4+ Kc6 54. Bf3+ Kd7 55.
Bg4+ $11 {¡Jaque perpetuo!#}) 52. d6 Rh8 53. Rd5+ {
Apremio de tiempo de las blancas.} (53. g3 $18) 53... Kf6 54. Kg1 Rf8 $2 (54...
Re8 $14) 55. Bg4 Rh8 56. Rf5+ Kg7 57. d7 Rf8 58. Re5 Kf7 59. Bh5+ Kf6 60. Re8
Kg7 61. Kf1 Bf6 62. Ke2 Rh8 63. Bg4 Rf8 64. Kd3 Kf7 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.10"]
[Round "3"]
[White "Savoretti, Ernesto"]
[Black "González, Víctor"]
[Result "0-1"]
[ECO "D07"]
[PlyCount "66"]
[EventDate "2004.11.03"]

{Gambito de dama. Defensa Chigorin.
} 1. d4 d5 2. c4 Nc6 3. Nc3 dxc4 4. Nf3
Bg4 $2 5. e3 $6 (5. d5 $1 Bxf3 6. exf3 Ne5 7. Bf4 Nd3+ 8. Bxd3 cxd3 9. O-O Nf6
10. Qb3 $16 {Pachman-Dueckstein, Graz 1961.}) 5... Nf6 6. Bxc4 e6 7. Bb5 Bb4 8.
h3 (8. Qa4 Bxf3 9. gxf3) 8... Bxf3 9. Qxf3 Qd5 10. Bd2 $146 (10. Bxc6+ bxc6 11.
O-O Qxf3 12. gxf3 Rb8 13. Na4 Rb5 14. e4 Nd7 15. a3 Be7 16. b4 O-O 17. Bf4 e5
18. dxe5 Nxe5 19. Kg2 Ng6 20. Bxc7 Nh4+ 21. Kh1 Nxf3 22. Rac1 Rh5 23. Kg2 Nd2
24. Rfe1 Rg5+ 25. Bg3 Rg6 {Wochnik-Kneip, corr 1991, 0-1 (56).}) 10... Qxf3 11.
gxf3 O-O-O 12. Bxc6 bxc6 13. Rc1 (13. a3 $14) 13... c5 14. Nb5 $2 (14. dxc5
Bxc5 15. Rg1 Rhg8 16. Ke2 $14) 14... Bxd2+ 15. Kxd2 a6 16. Na7+ (16. Na3 cxd4
17. e4 $17) 16... Kb7 17. Rxc5 Nd7 $1 (17... Kxa7 $2 18. Rxc7+ Kb6 19. Rxf7 e5
20. Rxg7 exd4 21. Ke2 $15) 18. Rc3 (18. Rc2) 18... Kxa7 (18... c5 $1 19. dxc5
Kxa7) 19. Rxc7+ Ka8 (19... Kb8) 20. Rhc1 Rhf8 21. b4 Nb8 $2 (21... e5 $17) 22.
a4 e5 23. b5 exd4 24. b6 dxe3+ 25. Ke2 Rd7 26. b7+ $2 (26. fxe3 Re8 27. R1c5 f5
28. a5 $11 {#Las negras no pueden ganar porque no pueden desatar sus fuerzas.})
26... Ka7 27. Rc8 $4 (27. Rxd7 Nxd7 28. Rc7 Rb8 29. Rxd7 Rxb7 30. Rd6 exf2 31.
Kxf2 $17) 27... Rfd8 28. Rb1 exf2 29. Kxf2 Rd2+ 30. Kg3 R8d7 31. Rg8 g6 32. Rh8
h5 33. Rf8 R2d4 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.10"]
[Round "3"]
[White "Palau, Ignacio"]
[Black "Razuk, Héctor"]
[Result "1-0"]
[ECO "B09"]
[PlyCount "79"]
[EventDate "2004.11.03"]

{Defensa Pirc. Ataque austríaco.
} 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5.
Nf3 Bg4 $6 (5... c5) 6. h3 Bxf3 7. Qxf3 c6 (7... e5 8. dxe5 dxe5 9. f5 $16) 8.
Be3 Nbd7 9. e5 Ng8 10. Bd3 $146 (10. O-O-O d5 11. g4 Qa5 12. f5 O-O-O 13. Kb1
e6 14. fxe6 fxe6 15. Qf7 Bh6 16. Bxh6 Nxh6 17. Qg7 {
Boeven-Schwarz, Bad Breisig 2000, 1-0 (25).}) 10... d5 $2 (10... Qb6 $16) 11.
f5 Qa5 12. a3 (12. O-O O-O-O 13. fxg6 fxg6 14. Qf7 Bh6 15. Bxh6 Nxh6 16. Qxe7
Qb6 $132) 12... b5 13. b4 Qc7 14. O-O Bh6 15. Bxh6 (15. fxg6 Bxe3+ 16. Kh1 fxg6
17. Qf7+ Kd8 18. Nxd5 cxd5 19. Qxd5 $18) 15... Nxh6 16. Qf4 Nxf5 {#} 17. e6 (
17. Bxf5 $142 gxf5 18. e6 $18) 17... Qxf4 18. exd7+ Kxd7 19. Rxf4 Nd6 20. a4 a6
21. g4 g5 22. Rf3 h6 23. Kg2 Rhb8 24. axb5 axb5 25. Rff1 f6 26. Ne2 Ne8 $2 (
26... e5 $16) 27. c3 e5 28. dxe5 Rxa1 29. e6+ Kxe6 30. Nd4+ Kd7 31. Rxa1 Kd6 $2
32. Ra6 Rc8 33. Bxb5 Ke5 34. Bxc6 Nc7 35. Ra7 Ne6 36. Re7 Rxc6 37. Nxc6+ Kd6
38. Rxe6+ Kxe6 39. Kf3 f5 40. Nd4+ 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.10"]
[Round "3"]
[White "Sanhueza, Cristián"]
[Black "Martínez Dorr, Fernando"]
[Result "1/2-1/2"]
[PlyCount "0"]
[EventDate "2004.11.03"]

 1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.13"]
[Round "4"]
[White "Di Benedetto, Guillermo"]
[Black "Mambrín, Antonio"]
[Result "1-0"]
[ECO "B30"]
[PlyCount "97"]
[EventDate "2004.11.03"]

{Defensa siciliana. Variante Rossolimo.
} 1. e4 c5 2. Nc3 Nc6 3. Nf3 e6 4. Bb5
Qb6 5. O-O d6 (5... Nge7 6. Re1 a6 7. Bf1 Ng6 $11 {
Zhang Zhong-Bu Xiangzhi, Tianjing 2003.}) 6. Bxc6+ bxc6 7. d3 (7. e5 $5 d5 8.
d3) 7... Ne7 8. b3 $146 (8. Rb1 Ng6 9. Bg5 f6 10. Be3 Be7 11. b4 Qa6 12. bxc5
dxc5 13. e5 f5 14. h4 Qa5 15. Bd2 Qc7 16. Re1 O-O 17. Bg5 Bxg5 18. hxg5 Rd8 19.
Qc1 Qa5 20. Rb3 c4 21. dxc4 Qc5 22. Qe3 Qxc4 23. Reb1 a5 24. Ne2 Qxc2 25. Ned4
Qxa2 26. Nxc6 Re8 27. Qd3 Ba6 28. Qd6 Rac8 29. Qd7 Nf8 30. Ne7+ Kh8 31. Qd6 Ra8
32. Rb8 Qa4 33. Rxa8 Rxa8 34. Rb8 Qe4 35. Ng6+ {
1-0 Groetz-Druckenthaner, camp. de Austria por eq. 1996.}) 8... Ng6 9. Be3 (9.
e5 $5 dxe5 10. Re1) 9... e5 10. h3 Be7 11. a3 Qb7 12. Ne2 O-O 13. g4 $5 (13.
Ng3 $11) 13... a5 14. a4 d5 15. Ng3 Be6 16. Nf5 Rfd8 17. Qc1 Qc7 18. Qb2 f6 19.
Kh2 Bf8 20. Rg1 Qd7 (20... c4 $1) 21. Rad1 d4 22. Bd2 Nf4 23. Bxf4 exf4 24. Qc1
g6 $2 (24... Qc7 $15) 25. Qxf4 $1 {#} 25... Bxf5 (25... gxf5 $2 26. gxf5+ $16)
(25... Kh8 $11) 26. gxf5 Bd6 27. e5 fxe5 28. Qe4 Rf8 29. Nh4 Rf6 30. Rg2 $2 (
30. Rg5 Raf8 31. Rf1 $14) 30... Raf8 $2 (30... Kh8 $15) 31. fxg6 h6 32. g7 Rd8
33. Ng6 Qf5 34. Rdg1 Qxe4 (34... Rd7 $14) 35. dxe4 Rd7 $2 (35... Kxg7 36. Ne7+
Kf7 37. Rg7+ Ke6 38. Nxc6 $16) 36. Nh4 Rdf7 37. f3 (37. Rg6 $1 Rxf2+ 38. R1g2
Be7 39. Nf5 $18) 37... Rf4 38. Rg4 Rxg4 39. Rxg4 Rf4 40. Nf5 Rxg4 41. fxg4 Bc7
{Apremio de tiempo de las negras.} (41... c4 $5 42. Nxd6 $2 d3 $19) 42. Kg3 Bd8
43. h4 Bf6 44. Nxh6+ Kxg7 45. g5 Bd8 46. Kg4 Kg6 47. Nf5 Bc7 48. Ne7+ Kf7 49.
Nxc6 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.12"]
[Round "4"]
[White "Sampaoli, Cristián"]
[Black "Selvetti, Alexis"]
[Result "0-1"]
[ECO "D30"]
[PlyCount "92"]
[EventDate "2004.11.03"]

{Gambito de dama rehusado.
} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. e3 Nbd7 5. Nbd2
Be7 6. Bd3 c5 7. O-O O-O 8. b3 b6 9. cxd5 (9. Bb2 Bb7 10. Qe2 Rc8 11. Rfd1 Qc7
12. Rac1 Qb8 13. Ne5 Nxe5 14. dxe5 Ne4 15. cxd5 exd5 16. Nxe4 dxe4 17. Bc4 {
Flohr-Lasker, Moscú 1936, 1-0 (35).}) 9... Nxd5 10. Bb2 cxd4 $146 (10... Bb7
11. Rc1 Rc8 12. Qe2 Nb4 13. Bb1 Ba6 14. Nc4 cxd4 15. Nxd4 Bf6 16. Rfd1 Qe7 17.
Ba3 Ne5 18. Qe1 Bxc4 19. Bxb4 Rc5 20. bxc4 Rfc8 21. Bxc5 Rxc5 22. Qe2 {
1-0 Hodgson-Le Blancq, Bath 1987.}) 11. Nxd4 Bb7 12. Rc1 Bf6 13. Ne4 Rc8 14.
Rxc8 Qxc8 15. Nd6 (15. Qh5 $5) 15... Qb8 16. Nxb7 Qxb7 17. Qe2 Nc5 18. Bb1 Rc8
19. Rd1 g6 (19... a6 $11) 20. Qf3 Bg7 (20... Be5 21. Nxe6 Nxe3 22. Qxe3 Bxb2
23. Nf4 $14) 21. e4 Nb4 22. a3 $2 (22. Qe2 $14) 22... Nc6 23. b4 $2 (23. h3 $11
) 23... Nxd4 24. Bxd4 Bxd4 25. Rxd4 {#} 25... Nxe4 $1 26. h3 (26. Bxe4 $2 Qxe4
$1 $19) (26. Rd1 Nd6 27. Qe2 Qe7 $17) 26... Rc1+ 27. Kh2 (27. Rd1 Rxd1+ 28.
Qxd1 Qd5 $19) 27... Qc7+ 28. g3 Nxg3 29. Kg2 (29. Qxg3 Qxg3+ 30. Kxg3 Rxb1 $19)
29... Rxb1 30. Qf6 Rg1+ 31. Kxg1 Ne2+ 32. Kg2 Nxd4 33. Qxd4 $19 Qc6+ 34. f3 Qd5
35. Qf6 h6 36. h4 a5 37. Qc3 axb4 38. Qxb4 b5 39. Qf4 Qa2+ 40. Kg3 Qxa3 41.
Qb8+ Kg7 42. Qe5+ Kh7 43. Qxb5 Qd6+ 44. Kg2 Qf4 45. Qd7 Kg7 46. Qd8 Qf6 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.13"]
[Round "4"]
[White "Pérez Cascella, Julio"]
[Black "Lujambio, Arturo"]
[Result "1/2-1/2"]
[ECO "E99"]
[PlyCount "96"]
[EventDate "2004.11.03"]

{Defensa india de rey. Sistema clásico: línea principal.
} 1. Nf3 Nf6 2. c4 g6
3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Be3
f5 11. f3 f4 12. Bf2 Nf6 $6 (12... g5) 13. c5 g5 14. a4 (14. cxd6 cxd6 15. Rc1
Ng6 16. Nb5 $16) 14... Rf7 15. a5 Ng6 16. Nd3 h5 17. h3 $6 $146 ({RR} 17. cxd6
cxd6 18. Nb5 Ne8 19. Nxa7 Bd7 20. a6 b6 21. Nc6 Bxc6 22. dxc6 d5 23. Nb4 d4 24.
Bc4 {1-0 Wells-Phillips, Wuerzburg 1996.}) 17... Bf8 18. a6 b6 19. cxb6 cxb6
20. Nb4 Rg7 21. Rc1 g4 22. fxg4 hxg4 23. hxg4 Ne7 24. g5 Nh7 25. Re1 $2 (25.
Bh4 Nxg5 26. Bg4 $14) 25... Nxg5 26. Kf1 Ng6 (26... Nh3 $5 27. gxh3 $2 Bxh3#)
27. Bf3 (27. Bg4 $11) 27... Qd7 $2 (27... Nxf3 28. gxf3 Nh4 29. Ke2 Nxf3 $17)
28. Ke2 Qe8 29. Qd3 Bd7 30. Nc6 Ne7 31. Nb5 Nxc6 32. dxc6 Bc8 (32... Be6 $14)
33. Nc3 Ne6 34. Nd5 Qg6 35. b4 Nc7 36. Nxc7 Rxc7 37. b5 Be6 38. g3 fxg3 39. Rg1
Rg7 40. Rxg3 Qf6 {#} (40... Qf7 $142) 41. c7 $2 (41. Rcg1 Rxg3 42. Rxg3+ Bg7
43. Be3 $18) 41... Rc8 42. Rc3 $2 (42. Bg2 $14) 42... Rxg3 43. Bxg3 Qg7 44. Bf2
Rxc7 45. Qc2 Rxc3 46. Qxc3 Qf7 (46... Bd7 47. Qd3 Qf7 $17) 47. Ke1 Bd7 48. Be2
Be6 1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.13"]
[Round "4"]
[White "Sepliarsky, Mario"]
[Black "Mangiaterra, Ricardo"]
[Result "1/2-1/2"]
[ECO "A35"]
[PlyCount "69"]
[EventDate "2004.11.03"]

{Apertura inglesa-->Defensa Caro-Kann. Ataque Pánov-Botvínnik.
} 1. c4 c5 2.
Nc3 Nc6 3. e3 Nf6 4. Nf3 e6 5. d4 cxd4 6. exd4 d5 7. Bd3 Be7 (7... dxc4 8. Bxc4
Be7) 8. O-O O-O 9. Re1 (9. c5 b6 10. Bb5 $14 {
Matulovic-Damjanovic, camp. de Yugoslavia 1960.}) 9... Nb4 10. Bf1 dxc4 11.
Bxc4 Nbd5 12. Qd3 $146 ({RR} 12. Nxd5 exd5 13. Bd3 Bg4 14. Bg5 Ne4 15. Bxe7
Qxe7 16. Qc2 Rac8 17. Qe2 f5 18. h3 Bxf3 19. gxf3 Qg5+ 20. Kh1 Qh4 21. fxe4
fxe4 22. Qf1 Rxf2 {0-1 Michell-Griffith, Hurlingham 1936.}) 12... a6 13. Ne5 $6
(13. Nxd5 Nxd5 14. Ne5 $11) 13... Nb4 14. Qd1 b5 15. Bb3 Bb7 16. Bg5 Nc6 17.
Be3 Rc8 18. Rc1 Qa5 $6 {#} (18... Na5 19. Bc2 Nc4 20. Nxc4 bxc4 $15) 19. Qe2 $2
(19. Nxf7 $5 Kxf7 20. d5 Ne5 (20... Rfd8 21. Qf3 exd5 22. Nxd5 Rxd5 23. Bxd5+
Kf8 24. Bg5 Nd4 25. Qe3 Nxd5 26. Bxe7+ Kf7 27. Qxd4 Rxc1 28. Rxc1 Nxe7 29. Qf4+
Ke8 30. Qb8+ Bc8 31. Rxc8+ Nxc8 32. Qxc8+ Ke7 33. Qc5+ $16) 21. Bd4 Nc4 22. d6
Bd8 23. Qe2 Kg8 24. Qxe6+ Rf7 25. Nd5 Nxd5 26. Qe8+ Rf8 27. Qd7 Rc7 28. dxc7
Qxc7 29. Qxc7 Bxc7 30. Bxc4 bxc4 31. Rxc4 $11) 19... b4 20. Nxc6 Bxc6 21. Nb1
Bd5 22. Nd2 Qb6 23. f3 Qb7 24. Bf2 Rxc1 25. Rxc1 Rc8 26. Qd1 (26. Rxc8+ Qxc8
27. Bc4 a5 28. b3 $15) 26... Bd6 27. Bg3 Bxg3 28. hxg3 h6 29. Kf2 a5 30. Qe1
Rd8 31. Qe3 Qd7 32. Rd1 (32. Nc4 $17) 32... a4 33. Bc4 Bxc4 34. Nxc4 Qd5 35. b3
{Apremio de tiempo.} 1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.13"]
[Round "4"]
[White "Aguerreberry, Claudio"]
[Black "Ortigala, Gonzalo"]
[Result "1/2-1/2"]
[ECO "B28"]
[PlyCount "98"]
[EventDate "2004.11.03"]

{Defensa siciliana-->Ataque indio de rey.
} 1. e4 c5 2. Nf3 a6 3. d3 Nc6 4.
Nbd2 e6 5. g3 g6 6. Bg2 Bg7 7. O-O Nge7 8. Re1 Qc7 9. c3 O-O 10. Rb1 $146 (10.
Qe2 d6 11. Nf1 b5 12. h4 Rb8 13. N1h2 a5 14. Be3 h6 15. Qd2 Kh7 16. Ng4 Ng8 17.
d4 e5 18. Ngh2 c4 19. Rad1 exd4 20. Nxd4 Ne5 21. f4 Nd3 {
Schein-Gladyszev, Oberwart 1999, 0-1 (57).}) (10. e5 $5 Nxe5 11. Nxe5 Bxe5 12.
Nc4 $14) 10... d5 11. Qc2 Bd7 12. Nb3 b6 13. Qe2 dxe4 14. dxe4 e5 15. Nbd2 Be6
16. Ng5 Bc8 17. Nc4 h6 18. Nf3 Be6 19. Ra1 Rfd8 20. Nh4 g5 (20... b5 21. Ne3 c4
$15) 21. Nf3 b5 22. Ne3 Rd7 23. h4 f6 24. Qf1 g4 $6 (24... Rdd8) 25. Nh2 h5 26.
f3 f5 $2 (26... gxf3 27. Qxf3 Bf7 28. g4 b4 $14) 27. exf5 Nxf5 28. Nxf5 Bxf5
29. fxg4 Bd3 30. Qf2 Qd6 31. Be3 (31. gxh5 $18) 31... Rf8 32. Qd2 hxg4 33. Nxg4
Qg6 34. Bg5 Bf5 35. Qe2 Rd3 36. Ne3 Be4 37. Qg4 $2 (37. Bxe4 Qxe4 38. g4 $16)
37... Bxg2 38. Nxg2 Bh6 {Apremio de tiempo.} 39. Re3 Rd2 {#} 40. Nf4 $1 exf4
41. Re6 Qf5 (41... Qg7 42. Rxh6 Nd4 43. Re1) 42. Qxf5 Rxf5 43. Bxh6 Ne5 44.
Rxe5 (44. Rf1 Re2 45. Rxa6 f3 46. Bf4 Rg2+ 47. Kh1 Rxb2 48. a3 $16) 44... Rxe5
45. Bxf4 Ree2 46. Bxd2 Rxd2 47. a4 (47. Rf1 Rxb2 48. Rf2 Rb1+ 49. Kg2 Rc1 $11)
47... b4 (47... Rxb2 $2 48. axb5 axb5 49. Ra5) 48. cxb4 cxb4 49. Rb1 b3 (49...
b3 50. a5 Kh7 51. Kh1 Kg7 52. g4 Kh7 53. Rc1 Rxb2 54. Rc7+ Kh6 55. Rb7 Kg6 56.
Rb6+ Kg7 $11 {#} 57. g5 Kh7 58. h5 Ra2 59. Rb7+ Kg8 60. Rxb3 Rxa5 61. Rg3 Ra4
62. h6 Rh4+ 63. Kg2 a5 64. Kf3 a4 65. Ke2 Rh2+ 66. Kd3 a3 67. Kc4 a2 68. Ra3
Rh5 $11) 1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.11"]
[Round "4"]
[White "González, Víctor"]
[Black "Palau, Ignacio"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "108"]
[EventDate "2004.11.03"]

{Defensa francesa. Variante del avance.
} 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6
5. Nf3 Bd7 6. Bd3 (6. Be2 cxd4 7. cxd4 Bb5 8. O-O Bxe2 9. Qxe2 $14 {
Cámpora-Hodgson, Dos Hermanas 1992.}) 6... cxd4 7. Nxd4 (7. Qe2 $5) 7... Nc6 8.
Nxc6 bxc6 9. O-O Ne7 10. b3 $146 ({RR} 10. Kh1 a5 11. c4 dxc4 12. Bxc4 Nd5 13.
Qg4 h5 14. Qe4 Rd8 15. Nd2 Bc8 16. Nf3 Be7 17. Rb1 c5 18. Bg5 Bb7 19. Qh4 Rd7
20. Rfc1 g6 21. Bxd5 Bxd5 22. Bxe7 Rxe7 23. Qf6 Rg8 24. Ng5 Kd7 {
Jonkman-Barsov, Wijk aan Zee 1997, 0-1 (61).}) 10... Ng6 11. Qh5 Bc5 12. Na3
Qc7 {#} 13. b4 $2 (13. Re1 $14) 13... Nxe5 14. Bf4 $2 (14. Ba6 $15) 14... Bd6
15. Bc2 Nf3+ 16. Qxf3 Bxf4 17. g3 Bd6 18. Qh5 g6 (18... a5 $19) 19. Qh6 Bf8 20.
Qe3 Bg7 21. Rad1 O-O 22. Rfe1 e5 23. Qd2 Bg4 24. Rc1 Rad8 25. Bd1 Be6 26. Bb3
Qb6 27. Nc2 Rfe8 28. Qd3 Bf5 29. Qd2 Qa6 30. Rcd1 Qc8 31. f3 Qa6 32. Ne3 Qb6
33. Kg2 Bh6 34. Qf2 Bc8 35. Ba4 Bg7 $2 (35... Bd7) 36. Nxd5 Bh3+ 37. Kg1 cxd5
38. Bxe8 Rxe8 39. Rxd5 Rc8 $2 (39... Qb8 $19) 40. Qxb6 axb6 41. Rd6 $2 (41. Rb5
$17) 41... Rxc3 42. Kf2 h5 $2 (42... Rc2+ 43. Re2 Rxe2+ 44. Kxe2 b5 45. g4 h5
46. Rb6 hxg4 47. Rxb5 f5 48. a4 gxf3+ 49. Kxf3 e4+ 50. Kg3 Bf1 51. Rb8+ Kh7 $19
) 43. Rxb6 Ra3 44. Re2 Be6 45. b5 Bd5 46. Rd2 Bxf3 47. Rb8+ Kh7 48. b6 e4 49.
b7 e3+ 50. Kxf3 exd2+ 51. Ke2 Rd3 $2 (51... Be5 52. Re8 Rxa2 53. Rxe5 Rb2 54.
Re7 Kg7 $15) 52. Kd1 Be5 {#} 53. Rc8 $2 (53. Re8 Bc7 54. Rc8 Be5 55. Re8 $11)
53... Ra3 54. Re8 Rxa2 {Apremio de tiempo.} (54... Rxa2 55. Rxe5 Rb2 56. Re7
Kg7 $15) 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.13"]
[Round "4"]
[White "Sánchez, Christian"]
[Black "Colombo Berra, Pablo"]
[Result "0-1"]
[ECO "B00"]
[PlyCount "86"]
[EventDate "2004.11.03"]

{Defensa Owen.
} 1. e4 b6 2. d4 Bb7 3. Bd3 e6 4. Nf3 Nf6 5. Qe2 c5 6. c3 c4 (
6... Be7 7. O-O Nc6 8. a3 Na5 9. Nbd2 c4 10. Bc2 Qc7 11. Re1 $14 {
Kuipers-Rogers, camp. de Holanda 1997.}) 7. Bc2 Qc7 8. Bg5 Be7 $2 (8... d5 $14)
9. Nbd2 (9. e5 Nd5 10. Bxe7 Kxe7 11. O-O $16) 9... b5 10. O-O h6 $146 ({RR} 
10... a5 11. a4 Ba6 12. e5 Nd5 13. Bxe7 Kxe7 14. Ne4 Nb6 15. axb5 Bxb5 16. Nd6
Bc6 {Connell-Bye, Hastings 1995, 1-0 (34).}) 11. Bh4 d6 12. Bg3 (12. a4 a6 13.
axb5 axb5 14. Rxa8 Bxa8 15. Ra1 Bc6 16. d5 exd5 17. Bxf6 gxf6 18. Nd4 dxe4 19.
Nxe4 $16) 12... Nh5 13. b3 Nxg3 (13... cxb3 $2 14. Qxb5+ Bc6 15. Qxb3) 14. fxg3
Nd7 15. bxc4 bxc4 16. Rab1 (16. Qxc4 Qxc4 17. Nxc4 Rc8 $11) (16. Nxc4 O-O 17.
Bd3 Rab8 18. Rab1 Rfc8 $44) 16... Rc8 17. Qf2 Rf8 $2 18. Kh1 Ba8 19. Qe3 Qa5
20. Rb2 Nb6 21. Rfb1 Bc6 22. Qe2 $4 (22. h3 $14) 22... Qxc3 23. d5 $5 exd5 24.
exd5 Bxd5 (24... Nxd5 $2 25. Nxc4 $16) 25. Ne4 $2 (25. Bf5 Rc7 26. Ne4 Bxe4 27.
Qxe4 g6 28. Rxb6 axb6 29. Qa8+ Bd8 30. Qe4+ Be7 $11) 25... Qa3 $2 (25... Bxe4
26. Qxe4 d5 $17) 26. Re1 $2 (26. Nd4 Bc6 27. Nf5 Kd8 $13) 26... Rc7 {#} 27.
Rbb1 (27. Rb5 $5 f5 28. Rc5 $1 dxc5 29. Nd6+ Kd8 30. Nb5 Qxa2 31. Nxc7 Kxc7 32.
Qxe7+ Nd7 33. Ne5 Rd8 34. Nxd7 Rxd7 35. Qxc5+ Bc6 36. Qxf5 $11) 27... Bxe4 $2 (
27... f5 $19) 28. Bxe4 d5 $2 (28... Qc5) 29. Bf5 (29. Bxd5 $1 Nxd5 $2 30. Rb8+
Kd7 31. Rxf8 Bxf8 32. Qe8+ Kd6 33. Nd2 Re7 34. Rxe7 Qc1+ 35. Re1 Qxd2 36. Qxf8+
Kd7 37. Qxf7+ Kc6 38. Re6+ Kc5 39. Qxa7+ Kb4 40. h4 $18) 29... Qc5 30. Rbd1 $2
(30. a4 $13) 30... g6 31. Bc2 Kd8 32. Qd2 h5 33. Qf4 Qd6 34. Qe3 Bf6 35. Nd4
Re7 36. Qd2 Rxe1+ 37. Rxe1 {Apremio de tiempo de las blancas.} 37... Re8 38.
Rxe8+ Kxe8 39. Nf3 d4 40. Qa5 Qd7 41. h3 d3 42. Bd1 c3 43. Bb3 d2 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.13"]
[Round "4"]
[White "Ciotta, Eric"]
[Black "De Pauli, Manuel"]
[Result "1-0"]
[ECO "C13"]
[PlyCount "110"]
[EventDate "2004.11.03"]

{Defensa francesa. Variante Vistaneckis.
} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5
Be7 5. e5 Ng8 6. Be3 b6 7. Qg4 Bf8 (7... g6 8. Nf3 $14) 8. Nge2 $146 ({RR} 8.
h4 h5 9. Qf3 Ba6 10. Nh3 Bxf1 11. Kxf1 Ne7 12. Bg5 Nbc6 13. Rd1 Qd7 14. Nf4 Nf5
15. Nce2 g6 16. Bf6 Bg7 17. Bxg7 Nxg7 18. g3 O-O-O 19. Kg2 Kb8 20. c3 Na5 21.
b3 Rc8 22. c4 dxc4 {Beni-Prins, olimp. de Amsterdam 1954, 1-0 (53).}) (8. Bg5
Qd7 {-->Variante Winawer.}) 8... Ba6 9. O-O-O Qd7 10. Ng3 Bxf1 11. Rhxf1 Nc6
12. Bg5 h6 13. Qh4 $2 (13. Be3 $14) 13... Nge7 14. Bxe7 Bxe7 $2 (14... Nxe7 $11
) 15. Qg4 g6 16. f4 $2 (16. Nge2 O-O-O 17. h4 $14) 16... O-O-O 17. Nge2 Kb7 18.
Kb1 a5 $2 (18... Na5 $11) 19. Qf3 h5 20. g3 Bb4 21. h3 Bxc3 22. Qxc3 Ne7 23.
Rh1 Rh7 24. g4 Rdh8 25. Ng3 (25. Qf3 hxg4 26. hxg4 Qb5 27. Rxh7 Rxh7 28. Ng3
$14) 25... hxg4 26. hxg4 Qa4 (26... Rxh1 27. Nxh1 Qb5) 27. Rxh7 Rxh7 28. b3 Qb4
(28... Qa3 $5) 29. Qf3 (29. Qd3) 29... Nc6 (29... a4) 30. c3 Qa3 31. Rh1 Rxh1+
32. Qxh1 a4 33. Qc1 Qe7 34. g5 axb3 35. axb3 Qf8 36. Kb2 Qh8 37. Qh1 Qxh1 38.
Nxh1 Ne7 39. Nf2 Nf5 40. Ng4 {#} 40... c5 $2 (40... Ng3 41. Nh6 Nh5 42. Nxf7
Nxf4 $14) 41. Nh6 $2 (41. dxc5 bxc5 42. Nh6 $16) 41... cxd4 42. cxd4 Nxd4 43.
Nxf7 Kc6 $2 (43... Nc6 $14) 44. Nh8 Ne2 45. Nxg6 d4 $2 (45... Kd7 46. Kc2 Ke8
$16) 46. Kc2 Kd5 47. Kd2 Ng3 48. Kd3 Nh5 49. b4 Kc6 50. Kxd4 Kb5 51. Kc3 Ka4
52. Kc4 b5+ 53. Kc5 Ng3 54. Ne7 Ne4+ 55. Kd4 Ng3 {Apremio de tiempo.} 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.13"]
[Round "4"]
[White "Martínez Dorr, Fernando"]
[Black "Savoretti, Ernesto"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "91"]
[EventDate "2004.11.03"]

{Defensa siciliana. Variante Alapin.
} 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4
5. Nf3 e6 6. cxd4 d6 7. Bc4 Be7 8. O-O O-O 9. Qe2 Qc7 (9... Nc6 10. Qe4 Bd7 11.
Bd3 f5 12. exf6 Nxf6 13. Qe2 Qa5 14. Bc4 d5 15. Bd3 Bd6 $11 {
Pavasovic-Kozul, Liubliana 1996.}) 10. Rd1 Nc6 11. Bxd5 (11. Nc3 $14) 11...
exd5 12. Nc3 Be6 13. Nb5 Qd7 14. Bf4 dxe5 15. Nxe5 Nxe5 16. Bxe5 $146 ({RR} 16.
dxe5 a6 17. Nd4 Bc5 18. Nb3 Rac8 19. Be3 Be7 20. Nd4 Bc5 21. Nb3 Be7 22. Nd4 {
1/2-1/2 Markovic-Kranjc, camp. de Yugoslavia por eq. 1990.}) 16... Bg4 17. f3
Bh5 (17... Bf5 $11) 18. Rac1 a6 19. Nc3 $2 (19. Nc7 Rac8 20. Bg3 $14) 19...
Rfe8 $2 (19... Bg5 20. Ra1 Rfe8 21. Qc2 Be3+ 22. Kh1 f6 23. Bg3 Rac8 $17) 20.
g4 $2 (20. Qd2 $15) 20... Bg5 21. Ra1 (21. gxh5 Bxc1 22. Rxc1 f6 23. f4 fxe5
24. fxe5) 21... Bg6 22. Qg2 Be3+ 23. Kh1 f6 24. Bg3 Rac8 25. Bf2 h5 $2 (25...
Bf4 $17) 26. h3 $2 (26. Bxe3 Rxe3 27. g5 $132) 26... hxg4 27. hxg4 Bg5 28. Re1
b5 29. Rxe8+ Rxe8 30. a3 Bd2 31. Bg3 $2 (31. Qg3 $17) 31... Bxc3 32. bxc3 Re3
33. Kg1 Rxc3 34. Be1 Rc2 35. Qg3 Qe6 36. Bf2 Bd3 37. Kg2 {
Apremio de tiempo de las blancas.} 37... Qe2 38. Rh1 {#} 38... Rc8 $4 (38...
Kf7 $19) 39. Qh4 $2 (39. Qd6 Bg6 40. Qxd5+ Bf7 41. Qe4 $11) 39... Kf7 $4 (39...
Qe6 $17) 40. Qh5+ Bg6 41. Qxd5+ Qe6 42. Qb7+ Qe7 $2 (42... Kg8 43. d5 $16) 43.
Qxc8 Qxa3 44. Rh8 f5 45. Qe8+ Kf6 46. Bh4# 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.13"]
[Round "4"]
[White "Razuk, Héctor"]
[Black "Sanhueza, Cristián"]
[Result "0-1"]
[ECO "C30"]
[PlyCount "86"]
[EventDate "2004.11.03"]

{Gambito de rey rehusado.
} 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Nc3 Nc6 5. Na4 Bb6
6. Nxb6 axb6 7. Bc4 Nf6 8. d3 O-O 9. O-O Na5 (9... Bg4 10. c3 $14 {
Alekhine-Darru, sim. París 1923.}) 10. fxe5 (10. Bd5 c6 11. fxe5 dxe5 12. Bxf7+
Rxf7 13. b4 Nxe4 14. bxa5 Nf6 15. Qe1 $11) 10... dxe5 11. Bg5 $2 $146 ({RR} 11.
Qe2 Nxc4 12. dxc4 Bg4 13. Kh1 Nh5 14. Qf2 f5 15. Bg5 Qe8 16. Qd2 h6 17. Bh4
fxe4 18. Qd5+ Qe6 19. Qxe4 Bxf3 20. Rxf3 Rxf3 21. Qxf3 Qf7 22. Qe2 Re8 23. Rf1
Qg6 24. Qf3 e4 25. Qe3 Qg4 {Chigorin-Vidmar, Núremberg 1906, 1-0 (51).}) (11.
b3 Qd6 12. a4 Nxc4 13. bxc4 $11) 11... Nxc4 12. Bxf6 (12. dxc4 Qxd1 13. Rfxd1
Nxe4 14. Bd8 $15) 12... Qxf6 13. dxc4 Rd8 14. Qe1 Qc6 $2 (14... Bg4 $15) 15.
Nxe5 Qc5+ 16. Qf2 Qxf2+ (16... Qxe5 $2 17. Qxf7+ Kh8 18. Qf8+ Rxf8 19. Rxf8#)
17. Rxf2 Re8 (17... f6 $14) 18. Nxf7 h6 19. b3 $2 (19. Rf4 $14) 19... Re7 $2 (
19... Bg4 20. e5 Bh5 $15) 20. Rd1 Bg4 21. Rd8+ Rxd8 22. Nxd8 Re8 23. Rd2 Bc8
24. h3 Kf8 25. Rf2+ Kg8 26. Rd2 Kf8 27. Rf2+ Kg8 {#} 28. Rf7 $2 (28. Rd2 $11) (
28. Nf7 Re7 29. Nh8 g5 30. Ng6 Re8 31. e5 Kg7 32. Rf6 Be6 33. Nf8 Bc8 34. Ng6
$11) 28... c5 29. Rxb7 (29. Nxb7 Kxf7 30. Nd6+ Ke7 31. Nxe8 Kxe8 $19) 29...
Bxb7 30. Nxb7 Rxe4 31. Kf2 $2 (31. Nd6 $17) 31... Rd4 32. c3 Rd7 33. Nxc5 bxc5
$19 34. Ke3 Ra7 35. a4 Rb7 36. Ke4 Rxb3 37. Kd5 Ra3 38. Kxc5 Rxa4 39. Kb5 Ra3
40. Kb4 Ra2 41. c5 Kf7 42. Kb5 Ke7 43. Kb6 Rc2 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.17"]
[Round "5"]
[White "Selvetti, Alexis"]
[Black "Di Benedetto, Guillermo"]
[Result "1/2-1/2"]
[ECO "B33"]
[PlyCount "61"]
[EventDate "2004.11.03"]

{Defensa siciliana. Variante Sveshníkov.
} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4.
Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11.
Be2 (11. c3) 11... O-O 12. O-O Bg5 13. c4 b4 (13... bxc4 14. Bxc4 Kh8 $11) 14.
Nc2 a5 15. Bg4 Be6 16. g3 (16. b3 {P 17.a3}) 16... Rb8 (16... Kh8 17. h4 Bh6
18. Kg2 Ra7 19. Qf3 Qc8 20. Nde3 g6 21. Qf6+ Bg7 22. Bxe6 fxe6 23. Qg5 Nd4 $17
{Bennett-Speelman, Londres 1976.}) 17. b3 Bh6 18. Nde3 $6 (18. a3 bxa3 19. Rxa3
Bc1 $1 20. Qxc1 Bxg4 21. Qd2 $11) 18... g6 (18... Bxe3 19. fxe3 a4 $15) 19.
Bxe6 fxe6 20. Ng4 Bg7 21. Qd3 Qe7 22. Rad1 Rbd8 23. Nge3 {#} 23... Nd4 $6 (
23... Nb8 $15 {PCa6-c5}) 24. Nxd4 exd4 25. Ng2 (25. Nc2 e5 26. a3 bxa3 27. Ra1
Rf6 28. Rxa3 Rdf8 29. f3 $11) 25... Rf7 26. f4 Rdf8 27. Rd2 e5 (27... g5 $5)
28. Rdf2 Qd7 29. Qe2 Qa7 30. Qd3 Qb7 31. Qc2 1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.17"]
[Round "5"]
[White "Mambrín, Antonio"]
[Black "Sampaoli, Cristián"]
[Result "1/2-1/2"]
[ECO "D40"]
[PlyCount "50"]
[EventDate "2004.11.03"]

{Gambito de dama. Defensa semi-Tarrasch.
} 1. d4 d5 2. Nf3 e6 3. e3 Nf6 4. c4
c5 5. Nc3 Nc6 6. a3 a6 7. cxd5 exd5 8. dxc5 Bxc5 9. b4 Ba7 (9... Bd6) 10. Bb2 (
10. b5 axb5 11. Nxb5 Bc5) (10. Be2 d4 $11 {Fuchs-Tal, Miskolc 1963.}) 10... d4
$146 (10... O-O 11. Be2 Be6 12. O-O Qd6 13. b5 Na5 14. a4 Rfd8 15. Ba3 Qc7 16.
Bb4 Nc4 17. Nd4 a5 18. b6 Bxb6 19. Ncb5 Qe5 20. Be7 Re8 21. Bxf6 Qxf6 22. Nxe6
fxe6 23. Bg4 Qe5 24. Qd3 g6 25. Bf3 Rad8 26. Rad1 Nb2 27. Qb3 Nxd1 28. Rxd1 d4
29. e4 d3 30. g3 d2 31. Kg2 Qc5 32. Rf1 d1=Q 33. Bxd1 Rd2 34. Qe3 {
0-1 Van Wely-Gurevich, Blitz 1994.}) 11. exd4 Nxd4 $2 (11... O-O $1 12. Be2 (
12. Na4 Bg4 $15) 12... Nxd4 13. Nxd4 Bxd4 14. O-O $11) 12. Nxd4 Qxd4 {#} (12...
Bxd4 13. Qe2+ Be6 14. Rd1 Bxc3+ 15. Bxc3 Qe7 16. Bd4 Rc8 17. Bc5 Rxc5 18. bxc5
Qxc5 $14) 13. Qxd4 $2 (13. Qe2+ Be6 14. Nb5 Qf4 (14... Qxf2+ 15. Qxf2 Bxf2+ 16.
Kxf2 axb5 17. Bxf6 gxf6 18. Bxb5+ $16) 15. Nxa7 Rxa7 16. g3 Qf5 17. Qe3 O-O 18.
Bd3 Qd5 19. f3 $16) 13... Bxd4 14. Rd1 (14. Be2 {-->} 14... Ne4 15. Nd1 Bxb2
16. Nxb2 {1/2-1/2 Fuchs-Tal, Miskolc 1963.}) 14... Ba7 $2 (14... Be5 $11) 15.
Be2 Be6 (15... O-O $14) 16. O-O (16. Bf3 $16) 16... O-O 17. Bf3 Rab8 18. Ne4 (
18. Ne2 b5 19. Nd4 $16) 18... Nxe4 19. Bxe4 Rfe8 $2 (19... b5 $14) 20. Bd4 $2 (
20. Be5 Rbd8 21. Bxb7 Bc4 22. Rxd8 Rxd8 23. Rc1 $16) 20... Bxd4 21. Rxd4 f5 22.
Bd5 Kf7 23. g3 Bxd5 24. Rxd5 g6 25. Rd7+ Re7 1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.17"]
[Round "5"]
[White "Mangiaterra, Ricardo"]
[Black "Pérez Cascella, Julio"]
[Result "0-1"]
[ECO "B41"]
[PlyCount "56"]
[EventDate "2004.11.03"]

{Defensa siciliana. Variante Paulsen/Kan.
} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4.
Nxd4 a6 5. Be3 Nf6 6. Bd3 Qc7 7. O-O d5 8. exd5 Nxd5 9. Bd2 $146 (9. Nc3 Nxc3
10. bxc3 Bd6 11. Qh5 g6 12. Qh4 Be7 13. Bg5 Bxg5 14. Qxg5 O-O 15. Rae1 Qxc3 16.
Re4 Nc6 17. Nxc6 Qxc6 18. Qf6 Qc7 19. Rd4 Re8 20. Rd1 e5 21. Rd6 Bg4 22. f3 Re6
23. Rxe6 Bxe6 24. Be4 Bxa2 25. h4 Re8 26. h5 Qc5+ 27. Kh1 Qe7 28. Qb6 f5 29.
Bxb7 Bf7 30. hxg6 hxg6 31. Qxa6 Qc5 32. Qd3 Kg7 33. Qe2 Rh8# {
0-1 Heyns-Roehrl, olimp. de Siegen 1970.}) 9... Be7 (9... Bd6 $11) 10. Nc3 Nf6
11. Qf3 Nbd7 12. Rfe1 Nc5 13. Bf4 Qb6 14. a4 Nxd3 15. Qxd3 Bd7 16. a5 Qd8 (
16... Qb4 $14) 17. Be5 Rc8 18. Qg3 O-O 19. Ne4 Ne8 20. c3 (20. Qb3 $16) 20...
Bc6 (20... f6 21. Bd6 e5 22. Bxe7 Qxe7 $14) 21. Nxc6 Rxc6 22. Red1 Qc8 23. Ra4
Rc4 24. Rxc4 Qxc4 25. Nd6 $4 (25. Qd3 Qxd3 26. Rxd3 $14) 25... Qe2 (25... Qa4
26. Re1 Bxd6 27. Bxd6 Nxd6 28. Qxd6 Qxa5 $17) 26. Rb1 Bxd6 27. Bxd6 Qc2 {#} 28.
Re1 $4 (28. Rf1 Nxd6 29. Qxd6 Qxb2 $15) 28... Qd2 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.17"]
[Round "5"]
[White "Ortigala, Gonzalo"]
[Black "Sepliarsky, Mario"]
[Result "0-1"]
[ECO "B40"]
[PlyCount "74"]
[EventDate "2004.11.03"]

{Defensa siciliana. Sistema clásico.
} 1. e4 e6 2. d4 c5 3. Nf3 cxd4 4. Nxd4
Nf6 5. Bd3 Nc6 6. c3 $2 (6. Nxc6 dxc6 7. O-O e5 $11) 6... d5 $2 (6... Qb6 $1
$17 {Marshall.}) 7. Nxc6 bxc6 8. e5 (8. exd5 cxd5 9. O-O $11) 8... Nd7 9. Qe2
Nc5 {#} 10. Bc2 $2 (10. O-O Nxd3 11. Qxd3 a5 12. Qg3 $15) 10... a5 $146 (10...
Qb6 11. b4 Nd7 12. Be3 Qc7 13. f4 c5 14. bxc5 Nxc5 15. O-O Ba6 16. Ba4+ Kd8 17.
Bb5 Bxb5 18. Qxb5 Rb8 19. Qe2 Ne4 20. Rc1 Bc5 21. Rc2 Qb6 22. Bxc5 Qxb1+ 23.
Rc1 Qb7 24. Be3 Rc8 25. c4 {Sekac-Hrabal, camp. de Moravia 1996, 1-0 (45).})
11. Be3 Ba6 12. Qd1 $2 (12. Qh5 $17) 12... Qb8 13. b4 axb4 14. Qd4 Qb5 (14...
Nd3+ 15. Bxd3 c5 16. Qf4 Bxd3 $19) 15. Kd1 Nd7 16. cxb4 Bxb4 17. Nc3 Qc4 18.
Nb1 O-O 19. a3 Ba5 $2 (19... Qe2+ 20. Kc1 Bc5 21. Qc3 Bxe3+ 22. Qxe3 Qxe3+ 23.
fxe3 Nxe5 $19) 20. Qxc4 Bxc4 21. f4 Rfb8 22. Nd2 $2 (22. a4 $17) 22... Bc3 23.
Rb1 Rxb1+ 24. Nxb1 Bb2 25. h4 Ba2 26. Kd2 d4 27. Bf2 Bd5 28. Rh3 c5 29. Bb3 c4
30. Kc2 Ba1 31. Ba2 Rb8 32. Kc1 Bxg2 33. Rg3 Bd5 34. a4 Nc5 35. Na3 Ne4 36. Rf3
Bb2+ 37. Kc2 d3+ 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.17"]
[Round "5"]
[White "Lujambio, Arturo"]
[Black "Aguerreberry, Claudio"]
[Result "1-0"]
[ECO "E91"]
[PlyCount "121"]
[EventDate "2004.11.03"]

{Defensa india de rey. Sistema clásico.
} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4
d6 5. Be2 O-O 6. Nf3 Bg4 7. Be3 e5 8. d5 c6 $6 $146 (8... Nh5 9. g3 a5 10. h3
Bd7 11. Nd2 $14 {Henley-Taulbut, camp. mundial por eq. 1980.}) 9. O-O c5 10. h3
Bd7 11. a3 a5 12. Qc2 Na6 13. Nb5 Ne8 14. Ne1 f5 15. exf5 Bxf5 16. Bd3 Nac7 17.
Nc3 Rb8 18. Rb1 (18. Qa4 $14) 18... b5 19. b3 b4 20. axb4 Rxb4 (20... axb4 $11)
21. Ne4 Na6 22. Ng5 Nec7 23. g4 (23. Qa2) 23... Bxd3 (23... Bd7 $11) 24. Nxd3
Rb7 25. Kg2 Qf6 26. f4 Nb4 $2 (26... exf4 27. Rxf4 Qd8 $14) 27. Nxb4 axb4 28.
Rbe1 $2 (28. f5 $18) 28... Rbb8 $2 (28... exf4 $14) 29. Bd2 $2 (29. fxe5 Qxe5
30. Bf4 $18) 29... Qe7 30. f5 h6 (30... gxf5 31. gxf5 Bf6 $14) 31. Ne6 (31. f6
Rxf6 32. Rxf6 Qxf6 33. Rf1 Qe7 34. Rf7 Qxf7 35. Nxf7 Kxf7 36. h4 $16) 31...
Nxe6 32. fxe6 Kh7 33. Qd3 Bf6 {Apremio de tiempo de las negras.} 34. Rf3 Bh4 (
34... Ra8 $16) 35. Ref1 Rxf3 36. Qxf3 Rg8 $2 (36... Qg7) 37. Qf7+ (37. Qe3 $1
Bg5 38. Rf7+ Qxf7 39. exf7 Bxe3 40. fxg8=Q+ Kxg8 41. Bxe3 $18) 37... Rg7 (37...
Qxf7 38. Rxf7+ Rg7) 38. Qxe7 Bxe7 39. Ra1 g5 40. Ra7 Kg6 41. Kf3 Kf6 42. Ke4
Rg8 43. Ra1 Kg6 44. Ra7 Kf6 45. Be1 Rh8 46. Bg3 Rg8 47. h4 Rh8 48. h5 Rg8 49.
Ra1 (49. Rc7 $1 Ra8 50. Rxc5 $1 Ra3 (50... dxc5 $2 51. Bxe5#) 51. Rc8 Rxb3 52.
Rg8 Bd8 53. Bxe5+ dxe5 54. Rxd8 $18) 49... Kg7 50. Bf2 Rf8 51. Be3 Rd8 52. Ra2
Rb8 53. Rf2 Rf8 54. Rxf8 Kxf8 55. Kf5 (55. Bxc5 $1 dxc5 56. Kxe5 $18) 55... Kg7
56. Bf2 Bf6 57. Be3 Be7 {#} 58. Bxc5 $1 dxc5 59. Kxe5 Bf6+ 60. Kd6 Bd4 61. e7
1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.17"]
[Round "5"]
[White "Palau, Ignacio"]
[Black "Ciotta, Eric"]
[Result "1-0"]
[ECO "C07"]
[PlyCount "73"]
[EventDate "2004.11.03"]

{Defensa francesa. Variante Tarrasch. Subvariante Eliskases.
} 1. e4 e6 2. d4
d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. Qe2 Nc6 8. Ne4 Qd8 9. O-O
Be7 (9... Nf6 10. Bf4 Be7 11. Rad1 $14 {
Uliánov-Doroshkevich, camp. de la URSS 1967.}) 10. Rd1 Nf6 11. c3 Nxe4 12. Qxe4
Bf6 $146 (12... O-O 13. cxd4 Nb4 14. Re1 Bf6 15. Bf4 Nd5 16. Be5 Bxe5 17. dxe5
b6 18. Bxd5 Qxd5 19. Qxd5 exd5 20. Rac1 Be6 21. Nd4 Rfc8 22. Rxc8+ Rxc8 23. f4
g6 24. Kf2 Kf8 25. h3 h5 26. Kf3 Bf5 27. g4 {
Martín del Campo-Escobedo Tinajero, México 1991, 1-0 (46).}) 13. cxd4 O-O (
13... Na5 14. Bd3 Nc6 $14) 14. Be3 (14. Bf4 $16) 14... Nb4 15. Ne5 Nd5 16. Bd3
g6 17. Bh6 Bg7 (17... Re8 $14 18. Ng4 Bh8) 18. Bxg7 Kxg7 19. Rac1 b6 20. h4 (
20. Qf3 Bb7 21. Be4 $14) 20... Bb7 21. Qg4 Nf6 22. Qg5 Qd6 23. Be2 Rac8 (23...
Rad8 $11) 24. Nc4 (24. h5 $14) 24... Qd8 (24... Qe7 $11) 25. Qe5 Bd5 26. Ne3
Rxc1 27. Rxc1 Kg8 28. h5 Nd7 29. Qf4 g5 (29... Nf6 $14) 30. Qg3 h6 31. Nxd5 (
31. Rc7 Nf6 32. Rxa7 $16) 31... exd5 32. Rc6 (32. Bb5 Nf6 33. Qe5 $16) 32...
Nf6 $2 (32... Re8 $14) 33. Qf3 $2 (33. Rd6 Qe7 34. Qe5 Re8 (34... Qxe5 35. dxe5
Ne4 36. Rxd5 $18) 35. Rxf6 Qf8 36. Qxd5 Rxe2 37. Rc6 $18) 33... Kg7 34. Bd3 Re8
35. Qf5 {#} 35... Re6 $4 (35... Re1+ 36. Kh2 Qe7 $11) 36. Rxe6 fxe6 37. Qg6+ (
37. Qg6+ Kf8 38. Qxh6+ Kf7 39. Qg6+ Kf8 40. Qxg5 $18) 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.17"]
[Round "5"]
[White "Colombo Berra, Pablo"]
[Black "Martínez Dorr, Fernando"]
[Result "0-1"]
[ECO "B03"]
[PlyCount "80"]
[EventDate "2004.11.03"]

{Defensa Alekhine.
} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6.
Nc3 g6 7. a4 a5 8. h4 $5 $146 (8. c5 dxc5 9. Bb5+ N6d7 10. Bf4 Bg7 11. Nd5 {
(Jacob-Schultz, Muenster 1997)} 11... e5 12. dxe5 O-O 13. Nf3 Nc6 14. Bg5 f6
$11) 8... h5 9. Bd3 $6 (9. c5 dxc5 10. Bb5+ Bd7 11. dxc5 Bxb5 12. axb5 Qxd1+ (
12... N6d7 13. Be3 $16) 13. Kxd1 N6d7 14. Nd5 Kd8 15. Bf4 $16) 9... Bg7 10.
Nge2 Nc6 11. Be3 (11. c5) 11... Nb4 12. b3 d5 13. c5 Nd7 14. Qb1 $2 (14. Rc1
$11) 14... e5 15. Bg5 Bf6 16. Nb5 {#} 16... e4 $2 (16... Bxg5 17. hxg5 exd4 18.
Nexd4 (18. Bxg6 $2 Nxc5 19. Rxh5 (19. Nexd4 Qxg5 20. Bf5 Qxg2 $19) 19... Rxh5
20. Bxh5 d3 $19) 18... Nxc5 $17) 17. Nd6+ Kf8 18. Bb5 Bxg5 19. hxg5 b6 20. Qc1
bxc5 21. dxc5 Ne5 (21... Qc7 $14) 22. O-O h4 23. Qf4 Qe7 24. f3 exf3 25. gxf3
$2 (25. Nd4 $16) 25... Bh3 26. Rfd1 $2 Qxg5+ 27. Qxg5 Nxf3+ 28. Kf2 Nxg5 $19
29. Nf4 Be6 30. Nxe6+ Nxe6 31. Rf1 Nxc5 32. Kg1 f5 33. Rac1 Ne4 34. Nxe4 dxe4
35. Rc7 Nd5 36. Rb7 h3 37. Rd1 Nf6 38. Rd6 h2+ 39. Kh1 Ng4 40. Rd2 e3 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.17"]
[Round "5"]
[White "Sanhueza, Cristián"]
[Black "González, Víctor"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "108"]
[EventDate "2004.11.03"]

{Defensa escandinava. Variante Anderssen.
} 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5
4. d4 e5 $5 5. dxe5 Bb4 6. Nf3 Nc6 7. Bd2 Bg4 8. a3 Nd4 9. Be2 $2 (9. Bb5+ c6
10. O-O Bxf3 11. axb4 $16 {Ivanchuk-Angelov, Varna 1987.}) 9... Bxf3 10. Bxf3 (
10. gxf3 O-O-O 11. O-O Bxc3 12. bxc3 Ne6 13. f4 Nxf4 14. Bg4+ Ne6 15. Qe2 $11 {
Asztalos-Kostic, camp. de Yugoslavia.}) 10... Qxe5+ 11. Kf1 Bxc3 12. Bxc3 O-O-O
13. Qe2 $146 (13. Bxd4 Rxd4 14. Qe2 Qf6 15. c3 Rd6 16. g3 Ne7 17. Kg2 h5 18. h4
Re6 19. Qd2 Rd8 20. Bxb7+ Kxb7 21. Qxd8 Rd6 22. Qe8 Rd2 23. Qb5+ Kc8 24. Qc5
Nc6 25. Qe3 Ne5 26. Rhe1 Rxb2 27. Rad1 Qc6+ 28. Qe4 Qxe4+ 29. Rxe4 Ng4 30. Re8+
Kb7 31. Rf1 {Landenbergue-Casagrande, Biel 1996, 1/2-1/2 (72).}) 13... Qxe2+ (
13... Qc5 $36) 14. Bxe2 Nf6 15. Bd3 Rhe8 16. Rd1 (16. Re1 $11) 16... c5 17.
Bxd4 Rxd4 18. Bf5+ (18. f3) 18... Kc7 19. Rxd4 cxd4 20. g3 Ne4 21. Kg2 g6 22.
Bxe4 Rxe4 23. Kf3 f5 24. h3 h5 25. Rg1 g5 {#} 26. g4 $2 (26. Rd1 $15) 26...
Rf4+ 27. Ke2 fxg4 28. hxg4 h4 29. f3 Kc6 30. Kf2 Kd5 31. Re1 Rf7 (31... Rf6
$142) 32. Re8 Rc7 33. Re2 b5 (33... Rh7 $17) 34. Rd2 (34. f4 $1 gxf4 35. Kf3
$15) 34... Kc4 (34... Ke5) 35. Re2 (35. f4) 35... Rc5 36. Kg2 {
Apremio de tiempo de las blancas.} 36... a5 37. Kf2 b4 38. axb4 axb4 39. Re4 $2
(39. f4 gxf4 40. Kf3 b3 41. cxb3+ Kxb3 42. Rd2 $15) 39... Kd5 40. Re2 b3 41.
cxb3 d3 42. Re8 Rc2+ 43. Kf1 Rxb2 {Apremio de tiempo de las negras.} (43... h3
$19) 44. Rd8+ Ke5 45. Rxd3 Kf4 46. Kg1 Kg3 47. Kf1 h3 48. f4+ Kxg4 49. Kg1 gxf4
50. Rc3 f3 51. b4 Kg3 52. Rc1 Rxb4 $19 53. Rd1 Rb2 54. Re1 f2+ 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.17"]
[Round "5"]
[White "De Pauli, Manuel"]
[Black "Sánchez, Christian"]
[Result "1-0"]
[ECO "A45"]
[PlyCount "133"]
[EventDate "2004.11.03"]

{Apertura Trompowsky.
} 1. d4 Nf6 2. Bg5 Ne4 3. h4 c5 4. dxc5 Qa5+ 5. Nd2 Nxg5
6. hxg5 Qxc5 $6 (6... g6 7. Ngf3 Bg7 8. c3 Qxc5 9. b4 Qc7 10. e3 d6 11. Rc1 Nd7
12. Nd4 a6 $13 {Casagrande-Gallagher, Biel 1996.}) 7. Ngf3 e6 $146 (7... g6 8.
c3 Bg7 9. e3 Nc6 10. Qb3 d5 11. Qb5 Qd6 12. Rd1 a6 13. Qa4 Qc7 14. Nb3 e6 15.
Nfd4 Bd7 16. Nxc6 Bxc6 17. Qg4 O-O-O 18. Bd3 Kb8 19. Nd4 Be8 20. Nb3 e5 21. e4
dxe4 22. Bxe4 Bb5 23. Rxd8+ Rxd8 24. Rxh7 {
1/2-1/2 Kaluguin-Moiseienko, Moscú 1999.}) 8. Nb3 Qc7 9. Qd3 Nc6 10. c3 Ne5 $2
(10... h6 $14) 11. Nxe5 Qxe5 12. g6 h6 (12... fxg6 13. Rxh7 Rxh7 14. Qxg6+ Kd8
15. Qxh7 $16) 13. gxf7+ Kxf7 14. e3 Be7 15. Be2 g6 16. Nd4 a6 $2 (16... d5 17.
O-O-O Kg7 18. f4 Qc7 19. g4 Bd7 $16) 17. f4 Qf6 18. O-O-O d6 (18... d5) 19.
Rdf1 Kg7 20. g4 Bd7 {#} 21. Qe4 $2 (21. f5 Qe5 22. e4 Raf8 23. Kb1 b5 24. Nf3
Qc5 $16) (21. Rxh6 Rxh6 22. g5 Qf7 23. gxh6+ Kxh6 24. Bg4 b5 25. Kb1 Rf8 26.
Rg1 Qf6 27. e4 Kg7 28. f5 e5 29. Nc2 Bc6 30. Nb4 Bb7 31. Bd1 g5 32. Bb3 Rb8 33.
Nd5 Bxd5 34. Bxd5 Rb6 35. Rh1 $18) 21... d5 22. Qg2 e5 23. fxe5 Qxe5 24. Bf3
Raf8 (24... Bc6 $14) 25. Bxd5 Qxe3+ 26. Kb1 Rxf1+ 27. Rxf1 Rf8 (27... Qd3+ 28.
Ka1 Rf8 $14) 28. Rxf8 Bxf8 29. Qf1 Qe7 30. Bxb7 Bxg4 (30... a5) 31. Bxa6 Qf6 $2
(31... h5 $17) 32. a4 h5 33. a5 h4 34. Qxf6+ Kxf6 35. Bb7 Bd6 (35... h3 36. b4
h2 37. Kc2 Bc8 38. Bh1 g5 39. Kb3 $18) 36. a6 Bc5 37. b4 Bb6 38. Nb5 Be2 (38...
Be6 39. a7 Bxa7 40. Nxa7 g5 41. Kc2 g4 42. Kd3 $18) 39. a7 Bxa7 40. Nxa7 h3 41.
b5 Bf1 42. Bc8 Bg2 43. Bxh3 Bxh3 44. b6 Bg2 45. c4 $2 (45. Kc2 $16) 45... Ke7
46. c5 $11 Kd7 47. Kc2 g5 48. Kd3 {#} 48... Ba8 $2 (48... g4 49. Ke3 Ba8 50.
Kf2 Ke6 51. c6 Kd6 52. c7 Bb7 53. Kg3 Kc5 54. c8=Q+ Bxc8 55. Nxc8 Kc6 56. Kxg4
Kb7 57. Ne7 Kxb6 $11) 49. Ke3 $2 (49. Kc4 g4 50. Kb5 g3 51. c6+ Bxc6+ 52. Nxc6
Kc8 53. Ka6 g2 54. b7+ Kd7 55. Ne5+ Kc7 56. Nf3 Kb8 57. Ng1 Kc7 58. Ka7 $18)
49... Bd5 $2 (49... Ke6 50. c6 Kd6 51. c7 Bb7 52. Kd4 g4 53. Ke3 g3 54. Ke2 g2
55. Kf2 Kc5 56. c8=Q+ Bxc8 57. Nxc8 Kc6 58. Kxg2 Kb7 $11) 50. Kf2 $2 (50. Kd4
$18) 50... Be4 $2 (50... Ba8 $11) 51. Kg3 $2 (51. Nb5 Kc6 52. b7 Kxb7 53. Nd6+
Kc6 54. Nxe4 $18) 51... Bd5 $2 (51... Ba8 $11) 52. Kg4 $18 Be4 (52... Ke6 53.
Kxg5 Ba8 54. c6 Kd6 55. c7 Bb7 56. Kf5 Kc5 57. c8=Q+ Bxc8+ 58. Nxc8 Kc6 59. Ke6
Kb7 60. Kd7 $18) 53. Kxg5 $18 Bg2 54. Kf5 Bf3 55. Ke5 Bg2 56. Kd4 Bf3 57. Kc4
Be2+ 58. Kb4 Bf3 59. Nb5 Kc8 60. Nd4 Bd5 61. c6 Kb8 62. Kc5 Be4 63. Nb5 Bf5 64.
Nd6 Be6 65. c7+ Ka8 66. b7+ Ka7 67. b8=Q+ 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.17"]
[Round "5"]
[White "Savoretti, Ernesto"]
[Black "Razuk, Héctor"]
[Result "1-0"]
[ECO "E91"]
[PlyCount "79"]
[EventDate "2004.11.03"]

{Defensa india de rey. Sistema clásico.
} 1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. e4
Bg7 5. Be2 O-O 6. Nf3 Bg4 7. O-O Nbd7 (7... Nfd7 8. Be3 Bxf3 9. Bxf3 Nc6 10. d5
Na5 11. Be2 Bxc3 12. bxc3 e5 13. dxe6 fxe6 14. f4 Qe7 $13 {
Cuéllar-Tal, interzonal de Leningrado 1973.}) 8. Ne1 Bxe2 9. Qxe2 e5 10. d5 Ne8
11. Be3 f5 12. f3 a6 $146 (12... Qh4 13. Nd3 Ndf6 14. g3 Qh5 15. Qg2 Bh6 16.
Bxh6 Qxh6 17. Rae1 fxe4 18. fxe4 Ng7 19. Rf3 a6 20. c5 Nd7 21. c6 bxc6 22. dxc6
Nb6 23. Ref1 Ne6 24. Rxf8+ Rxf8 25. Rxf8+ Qxf8 {
Simaguin-Byvshev, camp. de URSS 1956, 1-0 (97).}) 13. Nd3 b6 14. a4 Nc5 15. a5
$2 (15. Nb4 $16) 15... Nb3 16. Ra3 Nxa5 17. Ra4 Nf6 18. c5 Nb3 19. cxb6 cxb6
20. Nb4 Nd4 $2 (20... Nc5 $11) 21. Bxd4 exd4 22. Nc6 Qe8 23. Nxd4 $2 (23. Rxd4
$14) 23... b5 24. Rb4 Rf7 (24... Nxe4 25. fxe4 a5 26. Ncxb5 axb4 $11) 25. Ne6
Re7 26. Qd3 fxe4 27. fxe4 Ng4 28. Qh3 Ne5 29. Ne2 Nc4 30. N2d4 Qd7 (30... Bxd4+
31. Nxd4 Nd2) 31. Nc6 {#} 31... Rf7 $4 (31... Rxe6 32. Qxe6+ Qxe6 33. dxe6 Bxb2
$14) 32. Rxf7 Qxf7 33. Ng5 Bd4+ 34. Nxd4 Qa7 35. Nge6 Rc8 36. Rb3 Nd2 37. Rc3
Qd7 38. Qh6 Nc4 39. Rf3 Qe7 40. Nc6 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.20"]
[Round "6"]
[White "Di Benedetto, Guillermo"]
[Black "Lujambio, Arturo"]
[Result "1-0"]
[ECO "E97"]
[PlyCount "173"]
[EventDate "2004.11.03"]

{Defensa india de rey. Sistema clásico. Variante Taimánov.
} 1. d4 Nf6 2. c4
g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. b4 Nd7 (
9... Nh5) 10. a4 a5 11. Ba3 f5 (11... axb4 12. Bxb4 Bh6 13. a5 f5 $11 {
Krámnik-Topálov, Dortmund 1997.}) 12. Ng5 Nf6 13. Bf3 $146 (13. c5 h6 14. cxd6
cxd6 15. Ne6 Bxe6 16. dxe6 Rc8 17. Rc1 Nxe4 18. Nxe4 Rxc1 19. Qxc1 fxe4 20.
bxa5 Nf5 21. Bc4 Kh8 22. Qd2 Nd4 23. Rb1 Rf5 24. Rxb7 Qh4 25. Bf1 Rg5 26. Kh1
Nxe6 27. a6 e3 28. Qxe3 Qxa4 29. Bxd6 Qa1 30. Kg1 Nf4 31. g3 Nh3+ 32. Kg2 Nf4+
33. Kg1 Nh3+ {1/2-1/2 Retamozo-Cerna, Lima 1999.}) 13... h6 14. Ne6 Bxe6 15.
dxe6 axb4 16. Bxb4 Nc6 17. c5 $5 (17. Rb1) 17... Kh7 $2 (17... fxe4 18. cxd6
exf3 19. e7 Nxe7 20. dxe7 Qxd1 21. Rfxd1 $44) 18. cxd6 cxd6 (18... Re8 19. dxc7
Qxc7 20. Bd6 Qa5 21. Nd5 $16) 19. Bxd6 Re8 20. e7 $2 (20. exf5 gxf5 21. Bxc6
bxc6 22. Bxe5 Rxe6 23. f4 $16) 20... Nxe7 21. Re1 fxe4 $2 (21... Rc8 22. Bxe5
Nc6 23. Qxd8 Rcxd8 24. Bxf6 Bxf6 25. Rac1 $44) 22. Nxe4 Nf5 23. Bb4 $2 (23. Bc5
$16) 23... Nd4 (23... Qxd1 24. Rexd1 Nd4 25. Nxf6+ Bxf6 26. Be4 Ra6 $14) 24.
Nxf6+ Qxf6 25. Be4 (25. Bxb7 $2 Rab8 26. Bc3 Rxb7 27. Bxd4 Rd7 $19) 25... Rad8
26. Qb1 Nc6 $2 (26... b6 $14) 27. Bc3 (27. Bc5 Rd7 28. Ra3) 27... Rd7 28. Ra2
Red8 $2 (28... Ra8 $16) 29. Rb2 Nd4 30. Bxb7 Qf7 31. Be4 Rc8 32. Bd2 Nb3 33.
Be3 (33. Bxh6 $18) 33... Nc5 34. Bxc5 Rxc5 35. Rb6 Bf6 36. Bxg6+ Qxg6 37. Rxf6
Qxb1 38. Rxb1 Ra7 39. h3 Rxa4 $2 (39... Rc4) 40. Rb7+ Kg8 41. Rg6+ Kf8 42. Rxh6
Kg8 43. h4 (43. Rg6+ Kf8 44. Rf6+ Kg8 45. g4) 43... Rf4 44. g3 (44. h5) 44...
Rf8 $2 (44... Rf7) 45. Rg6+ Kh8 46. Rgg7 Rfc8 47. Rh7+ Kg8 48. Rbg7+ Kf8 49. h5
R5c6 50. Re7 (50. Ra7 Kg8 51. g4 $18) 50... Kg8 (50... Rh6 $5) 51. h6 (51. g4
$18) 51... Rg6 52. Reg7+ Rxg7 53. Rxg7+ Kh8 54. g4 Rc4 55. Kf1 Rf4 56. g5 e4
57. Re7 (57. g6 $18) 57... Rg4 58. Re5 Kh7 59. Ke2 Kg6 60. Ke3 Kh7 {#} 61. Rxe4
$2 (61. Re7+ Kh8 (61... Kg6 62. Rg7+ Kf5 63. h7 Rh4 64. g6 $18) 62. Rg7 Rg3+ $1
63. Kd4 (63. fxg3 {Ahogado.}) 63... Rd3+ 64. Kc4 Rf3 65. g6 Rxf2 66. Rf7 Rc2+
67. Kd4 Rc8 68. g7+ Kh7 69. Rf8 $18) 61... Rxg5 $11 62. Re6 Rg1 63. Kf4 Ra1 64.
Kg5 Rg1+ 65. Kf5 Rh1 66. f4 Rh5+ 67. Kg4 Rh1 68. Kg5 Rg1+ 69. Kf5 Rh1 70. Ke5
Re1+ {Apremio de tiempo.} 71. Kf6 Rh1 72. f5 Rxh6+ $2 (72... Ra1 $2 {
Bronstein-Westerinen, Tallin 1973, 1/2-1/2.} 73. Re7+ $2 (73. Kf7 $18) 73...
Kxh6 $11 {El peón todavía está en la quinta fila.}) (72... Rf1 $8 $11 {
Barlov-Wessman, Lugano 1988.}) 73. Kf7 $18 Rh1 74. Re4 Rh2 75. f6 Rh1 76. Rg4
Rh2 77. Kf8 Ra2 78. Rg7+ $2 (78. Re4 Kg6 79. f7 Ra8+ 80. Re8 Ra7 81. Re6+ Kh7
82. Rf6 Ra8+ 83. Ke7 Ra7+ 84. Ke6 Ra6+ 85. Ke5 Ra5+ 86. Kd4 $18) 78... Kh6 $11
79. Re7 Kg6 80. Re6 Ra8+ 81. Ke7 Ra7+ 82. Ke8 Ra8+ ({Más sencillo es} 82... Rf7
$1 83. -- Rxf6 $11) 83. Kd7 Kf7 84. Rc6 Ra7+ 85. Kd8 Ra8+ 86. Kc7 Ra7+ 87. Kb8
{Tiempo.} 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.20"]
[Round "6"]
[White "Pérez Cascella, Julio"]
[Black "Sepliarsky, Mario"]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "116"]
[EventDate "2004.11.03"]

{Defensa siciliana. Variante Alapin.
} 1. e4 c5 2. Nf3 Nc6 3. c3 d5 4. exd5
Qxd5 5. d4 e6 6. Be2 Nf6 7. O-O Be7 8. Bf4 (8. c4 Qd8 9. dxc5 Qxd1 10. Rxd1
Bxc5 11. Nc3 O-O 12. a3 b6 13. b4 Be7 14. Bf4 $14 {
Benjamin-Serper, Nueva York 1996.}) 8... O-O 9. Ne5 $6 (9. dxc5 Bxc5 10. Qxd5
Nxd5 11. Bg3 $11) 9... cxd4 10. cxd4 $6 $146 (10. Nxc6 Qxc6 11. cxd4 Qb6 $15
12. Qd2 Bd7 13. Nc3 Bc6 14. a3 Rfd8 15. Rfd1 Bd6 16. Bg5 Be7 17. Rac1 Rd7 18.
b4 a6 19. Be3 Nd5 20. Bf3 Rad8 21. Ne4 Qa7 22. Nc5 Rc7 23. Qd3 Bb5 24. Qe4 {
Titorenko-Bilunova, Riga 1968, 1-0 (57).}) 10... Nxd4 11. Nc3 Nxe2+ 12. Qxe2
Qa5 13. Rfd1 Nd5 14. Bd2 (14. Nxd5 $5 exd5 15. Nc6 bxc6 16. Qxe7) 14... Qb6 15.
Be1 Bf6 16. Rac1 (16. Nxd5 exd5 17. Rxd5 Be6 18. Ba5 Qa6 19. Qxa6 bxa6 20. Rc5
Rac8 $15) 16... Nf4 (16... Rd8) 17. Qe4 Ng6 (17... Qa5 $15) 18. Nc4 Qc6 $2 (
18... Qc7 $15) 19. Qxc6 bxc6 20. Ne4 Nf4 21. Kf1 $2 (21. Nxf6+ gxf6 22. Rc2 $11
) 21... Ba6 22. Nc5 Bb5 23. a4 Bxc4+ 24. Rxc4 Nd5 25. Nd3 Nb6 26. Rxc6 Nxa4 27.
Ra6 Nxb2 28. Nxb2 Bxb2 29. Rd7 Bf6 30. Raxa7 Rxa7 31. Rxa7 h5 32. Rc7 Rd8 33.
Ke2 g5 34. h3 Kg7 35. Bc3 {#} 35... Rd5 $2 (35... Bxc3 36. Rxc3 h4 $17 {
Véase Korchnói-Antoshin, camp. de la URSS 1954.}) 36. Bxf6+ Kxf6 37. g4 $1 $11
h4 38. Kf3 Rd3+ 39. Kg2 Kg6 {Apremio de tiempo.} 40. Rc6 Ra3 41. Rb6 Ra1 42.
Rc6 Re1 43. Ra6 Kg7 44. Ra5 f6 45. Ra6 e5 46. Rb6 e4 47. Ra6 e3 48. fxe3 Rxe3
$11 49. Ra2 Rg3+ 50. Kh2 Kg6 51. Rc2 Re3 52. Ra2 Re5 53. Rc2 Re6 54. Rf2 Re5
55. Rb2 Re3 56. Kg2 Re6 57. Rf2 Rb6 58. Rc2 Rb3 1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.20"]
[Round "6"]
[White "Selvetti, Alexis"]
[Black "Mambrín, Antonio"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "49"]
[EventDate "2004.11.03"]

{Defensa siciliana. Ataque Grand Prix.
} 1. e4 c5 2. Nc3 e6 3. Bc4 Nc6 4. f4
Nge7 5. d3 g6 6. Nf3 Bg7 7. O-O d6 (7... d5 $1 8. Bb3 O-O 9. Qe1 Na5 10. Qh4
Nec6 11. Qf2 b6 $15 {Carlier-Rogers, Budapest 1991.}) 8. Qe1 a6 (8... h6 9. Bb3
a6 10. e5 Nf5 11. Kh1 Nfd4 12. Ne4 Nxf3 13. Rxf3 dxe5 14. fxe5 Nxe5 15. Rf1 g5
16. Qg3 $44 {Anand-Guélfand, Wijk aan Zee 1996.}) 9. a4 Bd7 $146 (9... Nd4 10.
Nxd4 cxd4 11. Ne2 d5 12. exd5 Nxd5 13. f5 gxf5 14. Bxd5 Qxd5 15. Nf4 Qe5 16.
Qf2 Rg8 17. Nh5 Bh8 18. Bf4 Qd5 19. Bg3 Bd7 20. Rfe1 O-O-O 21. c4 dxc3 22. bxc3
Bc6 23. d4 Rg4 24. h3 Rxd4 25. Nf4 Rxf4 26. Bxf4 Rg8 27. Re2 Bxc3 28. Rc1 Bd4
29. Rxc6+ bxc6 30. Be3 c5 31. Rd2 Rxg2+ 32. Qxg2 Bxe3+ {
0-1 Anand-Ljubojevic, Roquebrune blitz 1992.}) 10. Qh4 Nd4 11. f5 $5 gxf5 12.
Bg5 h6 (12... Nxc2 13. exf5 Bxc3 14. bxc3 Nxa1 15. Rxa1 d5 16. Bxd5 Nxf5 (16...
exd5 17. Re1 $18) 17. Qh5 Qb6 18. Bf6 c4+ 19. d4 Qb2 20. Re1 Rg8 21. Ne5 Nd6
22. Qxh7 Rf8 23. Nxf7 Nxf7 24. Bxe6 Bxe6 25. Qf5 Kd7 26. Qxe6+ Kc7 27. Qe7+ Kb8
28. Qxf8+ Ka7 29. Qxf7 $18) 13. Bf6 Bxf6 14. Qxf6 Rh7 (14... Ng6 15. Qg7 Nxf3+
16. Rxf3 $40) 15. Nxd4 cxd4 16. Qxd4 Qc7 17. exf5 {#} 17... Nxf5 $4 (17... e5
18. Qh4 Bxf5 $16) 18. Rxf5 exf5 19. Nd5 Qc5 (19... Qc6 20. Nf6+ Ke7 21. Nxh7
Qc5 22. Qxc5 dxc5 23. Re1+ Be6 24. c3 Rh8 25. d4 b5 26. axb5 axb5 27. Bxb5 cxd4
28. cxd4 Rxh7 29. d5 $18) 20. Qxc5 dxc5 21. Nc7+ Ke7 22. Nxa8 Kd6 23. Nb6 Bc6
24. Re1 Kc7 25. Nd5+ 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.20"]
[Round "6"]
[White "Sampaoli, Cristián"]
[Black "Palau, Ignacio"]
[Result "1-0"]
[ECO "D11"]
[PlyCount "89"]
[EventDate "2004.11.03"]

{Defensa eslava.
} 1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nf3 dxc4 $6 5. Bxc4 e6 6.
Nbd2 $146 (6. O-O Nbd7 7. Qe2 Be7 8. e4 a6 9. Nc3 O-O 10. Bg5 h6 11. Bd2 Re8
12. Rac1 Nf8 13. Bd3 Bd7 14. a3 c5 {
Chiburdanidze-Smyslov, Roquebrune 1998, 1-0 (83).}) 6... Nbd7 7. O-O Be7 8. b3
(8. e4 $5) 8... O-O 9. Bb2 c5 10. Rc1 a6 11. Bd3 b5 12. Qe2 Bb7 13. Ne5 $2 (13.
e4 $14) 13... cxd4 14. exd4 Nxe5 (14... Nd5 $11) 15. dxe5 Nd5 16. Be4 Nf4 17.
Qe3 Bxe4 18. Nxe4 Nd5 19. Qg3 Kh8 20. Rfd1 Rc8 21. Nd6 $2 (21. Nc3 Nxc3 22.
Bxc3 $14) 21... Rxc1 22. Rxc1 (22. Bxc1 $142) 22... Qa5 23. Bd4 Qxa2 24. h3 Qd2
25. Be3 Qd3 26. b4 $2 (26. Bc5 Qxg3 27. fxg3 $17) 26... Kg8 $2 (26... Nc3 $19)
27. Bc5 Qd2 (27... Qxg3 28. fxg3 Ra8 $17) 28. Qa3 Bg5 29. Rf1 Qe2 (29... Ra8
30. Nxb5 Bf4) 30. Qxa6 Bf4 $2 (30... Qxe5 31. Qxb5 Rd8 $11) 31. Qxb5 Qxb5 32.
Nxb5 Rb8 {Apremio de tiempo de las negras.} 33. Nd4 Nxb4 34. Bd6 Rb6 35. Ra1 h6
36. g3 Bd2 37. Ra8+ Kh7 38. Ra7 Kg6 39. Nf3 Bg5 40. h4 Bc1 41. g4 {#} 41... f5
$2 (41... Nd3 $14) 42. h5+ Kh7 43. Bf8 fxg4 $2 44. Rxg7+ Kh8 45. Nh4 (45. Nh4
-- 46. Ng6#) 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.20"]
[Round "6"]
[White "Aguerreberry, Claudio"]
[Black "Martínez Dorr, Fernando"]
[Result "1/2-1/2"]
[ECO "B02"]
[PlyCount "54"]
[EventDate "2004.11.03"]

{Defensa Alekhine. Ataque Saemisch.
} 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3
d5 5. f4 c5 6. Nf3 Nc6 7. Be2 Bg4 8. O-O $146 (8. Rb1 Rb8 9. O-O e6 10. c4 dxc4
11. h3 Bxf3 12. Bxf3 Qd7 13. Qe2 b5 14. Be4 Nd4 15. Qf2 $44 {
Dueckstein-Hoelzl, camp. de Austria 1989.}) 8... e6 9. h3 Bh5 10. Qe1 Be7 11.
d3 O-O 12. Bd2 Qc7 13. g4 Bg6 14. Qg3 f6 15. h4 fxe5 16. Nxe5 Nxe5 17. fxe5
Rxf1+ 18. Rxf1 Rf8 19. Rxf8+ Bxf8 20. h5 Bf7 21. g5 g6 22. hxg6 Bxg6 23. Bg4
Qf7 (23... Bf7 $15) 24. Qh3 Bf5 25. Bxf5 Qxf5 26. Qxf5 exf5 27. Kg2 Kf7 {#}
1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.20"]
[Round "6"]
[White "González, Víctor"]
[Black "Ortigala, Gonzalo"]
[Result "1-0"]
[ECO "B28"]
[PlyCount "111"]
[EventDate "2004.11.03"]

{Defensa siciliana. Variante O'Kelly.
} 1. e4 c5 2. Nf3 a6 3. Nc3 Nc6 4. d4
cxd4 5. Nxd4 e5 6. Nxc6 (6. Nf5 d6 7. Bc4 Bxf5 8. exf5 Nf6 9. O-O $14 {
Illescas-Bellón, Sevilla 1992.}) 6... bxc6 7. Bc4 Nf6 8. Bg5 $146 (8. O-O Be7
9. f4 d6 10. Kh1 O-O 11. Bb3 Qc7 12. f5 Rd8 13. Qf3 Bb7 14. Bg5 h6 15. Bh4 Re8
16. Rad1 Rad8 17. Rd2 Qa5 18. Rfd1 Qc7 19. h3 Qb8 20. Kh2 Qc7 21. Qe2 Rf8 22.
Na4 d5 23. Bxf6 Bxf6 {
Idelchik-Belova, camp. por eq. de URSS 1968, 1/2-1/2 (58).}) 8... Be7 9. Bxf6
Bxf6 10. Qd6 Qe7 11. O-O-O $2 (11. Qd3 $14) 11... Qxd6 12. Rxd6 Be7 13. Rd3 f5
14. Re1 fxe4 15. Rxe4 d6 16. Rf3 (16. Re2 $15) 16... Rf8 (16... Bf6 $17) 17.
Rxf8+ Kxf8 18. Bd3 Bf6 $2 (18... Bg5+ $15) 19. Rb4 g6 20. Rb6 Be7 $2 (20... Bd7
21. Rxa6 Rxa6 22. Bxa6 d5 $44) 21. Rxc6 Bb7 22. Rb6 Bxg2 23. Be4 (23. Bxa6 $14)
23... Bxe4 24. Nxe4 d5 25. Nc3 Bg5+ 26. Kd1 Bf4 (26... d4) 27. h3 (27. Nxd5
Bxh2 28. b4 $16) 27... d4 28. Ne4 Ra7 29. Nc5 Kg7 $2 (29... a5 $14) 30. Rxa6
Rf7 (30... Rxa6 31. Nxa6 Kf7 32. a4 $18) 31. Ke2 Kh6 32. Re6 Kg5 33. Nd3 (33.
a4 $18) 33... Kh4 (33... Rc7 34. Kd1 Kf5 $16) 34. a4 Rc7 35. Kd1 (35. a5 Rxc2+
36. Kf3 $18) 35... Kxh3 36. a5 Kg4 37. a6 Kf5 38. Rb6 h5 39. Rb7 Rc8 40. a7 Ra8
41. b4 h4 42. b5 {Apremio de tiempo de las negras.} 42... Bh2 43. b6 e4 44. Nc5
(44. Nf4 $1 Bxf4 45. Rf7+ Kg5 46. Rxf4 Kxf4 47. b7 $18) 44... Bd6 45. Rf7+ Ke5
{#} 46. Na6 $4 (46. Rf8 $3 Bxf8 (46... Rxf8 47. Nd7+ Kf5 48. Nxf8 $18) 47. b7
Rxa7 48. b8=Q+ $18) 46... Kd5 $2 (46... h3 47. Rh7 Kd5 48. Rxh3 Kc6 49. Rh6
Kxb6 50. Rxg6 Kc6 51. Nb8+ Kc7 52. Rg7+ Kb6 53. Nd7+ Kc6 $14) 47. Nc7+ Bxc7 48.
Rxc7 h3 49. b7 Rxa7 50. b8=Q Ra1+ 51. Ke2 d3+ 52. cxd3 exd3+ 53. Kxd3 h2 54.
Qb5+ Ke6 55. Qc4+ (55. Rc6+ Kf7 56. Qb7+ Ke8 57. Rc8#) 55... Kf5 56. Rc5+ (56.
Rc5+ Kf6 57. Qf4+ Ke7 58. Rc7+ Ke6 59. Qf7+ Ke5 60. f4+ Kd6 61. Qd7#) 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.20"]
[Round "6"]
[White "Ciotta, Eric"]
[Black "Mangiaterra, Ricardo"]
[Result "1-0"]
[ECO "B86"]
[PlyCount "71"]
[EventDate "2004.11.03"]

{Defensa siciliana. Ataque Sozin-Fischer.
} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.
Nxd4 Nf6 5. Nc3 e6 6. Bc4 Be7 7. Bb3 a6 8. f4 Qc7 $6 (8... Nc6) 9. Qf3 (9. f5
$1 e5 10. Nde2 Nbd7 11. Bg5 O-O 12. g4 $16 {Ree-Kuijpers, Wijk aan Zee 1970.})
9... Nc6 10. Be3 O-O 11. O-O Na5 $6 (11... Nxd4 12. Bxd4 b5 13. a3 Qb7 14. f5
Kh8 15. fxe6 fxe6 16. Qg3 Bd7 17. e5 dxe5 18. Bxe5 $11 {
Rublevski-Aseiev, San Petersburgo 1995.}) 12. f5 (12. g4 Nxb3 13. axb3 Rb8 14.
g5 Nd7 15. f5 Ne5 16. Qg3 Kh8 17. Nf3 Nxf3+ 18. Rxf3 b5 19. Qh4 exf5 20. exf5
Qc6 21. Raf1 Bb7 22. Bd4 b4 23. Bxg7+ Kxg7 24. Qh6+ Kh8 25. g6 Qc5+ 26. R1f2
fxg6 27. fxg6 Qg5+ 28. Qxg5 Bxg5 29. Rxf8+ Rxf8 30. Rxf8+ Kg7 31. gxh7 {
1-0 Fischer-Cardoso, Nueva York (m) 1957.}) 12... Nxb3 13. axb3 Bd7 14. g4 d5
15. exd5 Nxd5 16. Nxd5 exd5 17. Qxd5 $146 (17. c3 Bd6 18. Rf2 Rfe8 19. f6 g6
20. Rg2 Re4 21. b4 Rae8 22. Bd2 Bxb4 23. cxb4 Rxd4 24. h3 Bc6 25. Qf2 Rde4 26.
Rf1 Re2 27. Qxe2 Rxe2 28. Rxe2 Qg3+ 29. Rg2 Qxh3 30. b5 Bxb5 31. Rf4 Qd3 {
Ciric-Yabra, olimp. de Lugano 1968, 1-0 (62).}) 17... Bc5 (17... Bd6 18. Rf2
Bxh2+ 19. Rxh2 Qg3+ 20. Kh1 Qxe3 $11) 18. c3 {#} 18... Bc6 $4 (18... Rfe8 $14)
19. Qxc5 $18 Rfe8 20. Nxc6 bxc6 21. Bf4 Qd8 22. Qd4 Qh4 23. Bg3 Qh3 24. Rfe1
Red8 25. Rxa6 $1 Rac8 (25... Rxa6 26. Qxd8#) 26. Rxc6 Ra8 27. Ra6 Rac8 28. Rd6
Rf8 29. Re3 f6 30. Qf4 g5 31. fxg6 hxg6 32. Rxf6 Rxf6 33. Qxf6 Qxg4 34. Qe6+ (
34. Re7 Qd1+ 35. Be1 -- 36. Qg7# $140) 34... Qxe6 35. Rxe6 Kf7 36. Re2 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.20"]
[Round "6"]
[White "Colombo Berra, Pablo"]
[Black "De Pauli, Manuel"]
[Result "0-1"]
[PlyCount "0"]
[EventDate "2004.11.03"]

{Por ausencia.}  0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.20"]
[Round "6"]
[White "Sanhueza, Cristián"]
[Black "Savoretti, Ernesto"]
[Result "1/2-1/2"]
[ECO "B78"]
[PlyCount "74"]
[EventDate "2004.11.03"]

{Defensa siciliana. Variante del dragón: ataque yugoslavo.
} 1. e4 c5 2. Nf3
d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7
10. O-O-O Rc8 11. Bb3 Ne5 12. h4 h5 13. Bg5 Rc5 14. g4 hxg4 15. f4 Nc4 16. Qe2
b5 17. Ndxb5 $6 (17. f5 Qa5 18. Bxf6 Bxf6 19. Qxg4 Kg7 20. Qg3 Be5 21. Qf3 $14
{Yudasin-Alterman, Haifa 1993.}) 17... Bxb5 $2 $146 (17... Nxb2 18. Kxb2 Bxb5
$2 (18... Nxe4 19. Qxe4 Bxb5 $15) 19. Nxb5 Nxe4+ 20. Kc1 Ng3 21. Qd3 Nxh1 22.
Rxh1 Qa5 23. a4 a6 24. Bxe7 Re8 25. Bxf7+ Kxf7 26. Nxd6+ Kxe7 27. Qxg6 Rxc2+
28. Qxc2 Kxd6 29. Qg6+ Re6 30. Rd1+ Kc5 31. Qxg7 Qxa4 32. Qa7+ Rb6 33. Qe7+ {
1-0 Cooke-Tomann, Dortmund 1993.}) 18. Nxb5 Nxb2 19. Bxf6 $2 (19. Kxb2 Nxe4+
20. Kc1 Ng3 21. Qe1 Rxg5 (21... Nxh1 22. Bxe7 Qb6 23. Bxf8 Bxf8 24. Nxd6 Bxd6
25. Qe8+ Kh7 26. Qxf7+ Kh6 27. Qf6 $18) 22. hxg5 Nxh1 23. Qxh1 $14) 19... Bxf6
20. e5 Bg7 $2 (20... Nxd1 21. exf6 Ne3 22. Qxe3 e6 $15) 21. Kxb2 Qa5 22. Nd4
dxe5 23. fxe5 Rxe5 24. Qxg4 Rb8 25. Rh3 Rd5 26. c3 Qc7 27. Ne6 Qd7 28. Rxd5
Qxd5 29. Nxg7 (29. Nd4 $18) 29... Qd2+ 30. Kb1 Qe1+ 31. Kb2 Qd2+ 32. Kb1 Qe1+
33. Kb2 Qf2+ 34. Kc1 Qf1+ 35. Kc2 Qf2+ 36. Kc1 Qf1+ 37. Kc2 {#} 37... Qf2+ (
37... Qf2+ 38. Kd1 Rd8+ 39. Kc1 Qe1+ 40. Kb2 Qd2+ 41. Ka3 Qd6+ 42. Qb4 $18)
1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.20"]
[Round "6"]
[White "Razuk, Héctor"]
[Black "Sánchez, Christian"]
[Result "0-1"]
[ECO "C07"]
[PlyCount "82"]
[EventDate "2004.11.03"]

{Defensa francesa. Variante Tarrasch.
} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. c3 $6
Nc6 (4... cxd4 5. cxd4 dxe4 6. Nxe4 Bb4+ $15) 5. exd5 exd5 6. dxc5 Bxc5 7. Ngf3
Qb6 8. Qe2+ Nge7 9. Nb3 Bd6 10. Be3 Qc7 11. g3 $146 (11. O-O-O O-O 12. Nfd4
Nxd4 13. Nxd4 a6 14. Qc2 Bg4 15. f3 Bh5 16. Bd3 Bg6 17. h4 Rfe8 18. h5 Bxd3 19.
Rxd3 Rac8 20. Kb1 Nc6 21. Nxc6 bxc6 22. Bc1 Qb6 23. Rhd1 Bc5 24. Qa4 Rb8 {
Schmitz-Fuglsang, Copenhague 1998, 1-0 (50).}) 11... Bg4 12. Bg2 O-O 13. O-O
Ne5 14. Bd4 Nc4 15. Qc2 Bf5 16. Qc1 Be4 17. Nbd2 Nxd2 18. Qxd2 f6 $6 (18...
Rfe8 $11) 19. Rae1 (19. Nh4 Bxg2 20. Nxg2) 19... b5 20. a3 a5 21. Nh4 Bxg2 22.
Kxg2 (22. Nxg2) 22... Rab8 (22... b4 23. axb4 axb4 24. Nf3 bxc3 25. bxc3) 23.
Re6 b4 24. axb4 axb4 25. Rfe1 Rb7 26. Qd3 bxc3 27. Bxc3 Qd7 28. Nf5 $2 (28. Qa6
$14) 28... Nxf5 29. Qxf5 Bc5 30. Qg4 $2 (30. Qh5 $11) 30... d4 31. Rd1 $4 (31.
b4 Bxb4 32. Bxb4 Rxb4 $17) 31... Qd5+ $2 (31... Rb6 32. Re4 Qxg4 33. Rxg4 dxc3
$19) 32. Kg1 Rd8 $2 (32... Qg5 33. Qxg5 fxg5 34. Rxd4 Bxd4 35. Bxd4 $17) 33.
Re2 $2 (33. Rxf6 $11) 33... Rbd7 34. Red2 Bb6 $2 (34... f5 $15) 35. h4 $2 (35.
Bxd4 Bxd4 (35... Qc4 36. b3 Qxb3 37. Be3 Rxd2 38. Rxd2 Rxd2 39. Bxd2 $11) 36.
Rxd4 Qxd4 37. Rxd4 Rxd4 38. Qe6+ Kh8 39. Qb6 $11) 35... f5 36. Qf4 Qe4 37. Qg5
$2 {#} (37. Bb4 d3 38. Bc3 $17) (37. Qxe4 fxe4 38. Bb4 Rc8 $19) 37... dxc3 $1
38. Rxd7 Rxd7 39. Rxd7 Qe1+ 40. Kh2 Qxf2+ 41. Kh3 Qf1+ (41... Qf1+ 42. Kh2 Qg1+
43. Kh3 Qh1#) 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.24"]
[Round "7"]
[White "Sepliarsky, Mario"]
[Black "Di Benedetto, Guillermo"]
[Result "0-1"]
[ECO "A81"]
[PlyCount "68"]
[EventDate "2004.11.03"]

{Defensa holandesa. Variante Leningrado.
} 1. d4 f5 2. g3 g6 3. Bg2 Bg7 4. Nf3
Nf6 5. O-O O-O 6. b3 d6 7. Bb2 Qe8 8. Nbd2 Nc6 9. Nc4 e6 10. e3 (10. a4 Bd7 11.
e3 Rd8 12. Qe2 h6 13. Ne1 Ne4 14. Nd3 Kh7 15. Rad1 b6 16. f3 Ng5 17. f4 Ne4 18.
Nd2 d5 $11 {Epishin-Vasiukov, camp. de Rusia 1995.}) 10... h6 11. Qe2 $146 (11.
Ne1) (11. a4 g5 12. Ne1 d5 13. Nd2 e5 14. dxe5 Nxe5 15. Nd3 Nxd3 16. cxd3 c6
17. b4 Qg6 18. Nf3 Ng4 19. Bxg7 Qxg7 20. Qd2 Bd7 21. d4 f4 22. exf4 gxf4 23. h3
Nf6 24. Qxf4 Rae8 25. Qc1 Re2 {Votruba-Lindstedt, Helsinki 1989, 1-0  (56).})
11... g5 12. a4 Bd7 (12... Qh5) 13. Rad1 $6 (13. Ne1 $11) 13... Qh5 14. Rfe1
Rae8 15. Nfd2 g4 16. Na3 (16. f3 $5) 16... a6 17. e4 (17. f4 $15) 17... f4 $5 (
17... fxe4 18. Nxe4 Nxe4 19. Bxe4 $15) 18. gxf4 $2 (18. e5 dxe5 19. dxe5 Nd5
20. f3 fxg3 (20... Ne3 21. fxg4 Qf7 22. Rb1 Nxg2 23. Qxg2 f3 24. Qf2 $11) 21.
hxg3 gxf3 22. Nxf3 $11) 18... Qh4 19. f5 Nh5 20. Nf1 $2 (20. Ndc4 Nf4 21. Qf1
exf5 22. e5 dxe5 23. Nxe5 Nxe5 24. dxe5 Nxg2 25. Qxg2 Bc6 26. Qg3 $17) 20...
exf5 (20... Nf4 21. Qc4 Nxg2 22. Kxg2 Kh7 23. Kg1 exf5 24. e5 Be6 25. d5 Bg8
26. f4 dxe5 27. Re3 Qd8 $19) 21. e5 f4 (21... Nf4 22. Qc4+ Kh8 23. d5 (23. Ne3
Nh3+ 24. Bxh3 gxh3 $19) 23... Nxg2 24. Kxg2 Qh3+ 25. Kg1 f4 26. dxc6 Bxc6 $19)
22. Qc4+ Kh8 (22... Be6 23. Bd5 (23. d5 f3 $19) 23... Bxd5 24. Qxd5+ Kh8 25.
Qh1 f3 $19) 23. e6 (23. Bxc6 bxc6 24. Rd2 g3 $19) 23... f3 24. exd7 fxg2 25.
Ng3 Rxe1+ 26. Rxe1 {#} 26... Nxg3 $2 (26... Nf4 27. Qc3 Nh3+ 28. Kxg2 Rxf2+ 29.
Kh1 Nf4 30. Nf1 Qh5 31. Qc4 Qh3 32. Re8+ Kh7 33. Qg8+ Kg6 34. Re6+ Nxe6 35.
Qxe6+ Bf6 $19) 27. fxg3 Qf6 28. Qe2 Nxd4 29. Bxd4 (29. Kxg2 Qf5 (29... Nxe2 30.
Bxf6 Bxf6 31. Rxe2 $15) 30. Qe3 c5 31. d8=Q Rxd8 32. Bxd4 cxd4 33. Qd3 $17)
29... Qxd4+ 30. Kxg2 Qd5+ 31. Qe4 Qf7 32. Qe2 $2 (32. Kh1 Qxd7 33. Qxb7 $17)
32... Qxd7 33. h3 $2 Qc6+ 34. Kh2 Qc5 (34... Qc5 35. Nc4 Rf2+ $19) 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.24"]
[Round "7"]
[White "Lujambio, Arturo"]
[Black "Selvetti, Alexis"]
[Result "0-1"]
[ECO "E57"]
[PlyCount "92"]
[EventDate "2004.11.03"]

{Defensa Nimzoindia. Variante Rubinstein.
} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4.
e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 cxd4 $6 (9... dxc4 10.
Bxc4 Qc7 $11) 10. exd4 dxc4 11. Bxc4 h6 (11... Qa5 12. Qe2 Qxc3 13. Bd2 Qc2 14.
Bd3 Qa4 15. Rfc1 Nxd4 16. Nxd4 Qxd4 17. Bb4 $14) 12. Re1 $146 (12. Bb2 b6 13.
Bd3 Bb7 14. c4 Rc8 15. Rc1 Na5 16. Re1 Re8 17. Ne5 Nc6 18. Bb1 Nxe5 19. Rxe5
Nd7 20. Re3 b5 21. d5 bxc4 22. dxe6 Rxe6 23. Rg3 Ne5 24. Bf5 Rd6 25. Qe1 Rc5
26. Rxg7+ Kxg7 27. Bxe5+ f6 28. Bxd6 Qxd6 29. Rd1 Qc7 30. Rd7+ {
1-0 Marinelli-Morin, Cannes 1995.}) 12... b6 13. Bb2 Na5 14. Ba2 $2 (14. Bd3
$14) 14... Ba6 15. Ne5 Rc8 16. Qa4 b5 $2 (16... Qc7 $15 {><c4}) 17. Qd1 Nc4 18.
Nxc4 (18. Bxc4 bxc4 19. Bc1 $14) 18... bxc4 19. a4 Nd5 20. Qd2 Qf6 21. Ba3 Rfd8
22. Bb1 Nf4 $2 (22... Rb8 $11) 23. Be7 $2 (23. Be4 $14) 23... Nh3+ 24. gxh3
Qxe7 25. Re3 $2 (25. f4 $17) 25... Qg5+ 26. Kf1 Bb7 27. Qc2 f5 $2 (27... Qg2+
28. Ke2 g6 $19 29. Rg3 Qd5 30. Rxg6+ fxg6 31. Qxg6+ Kf8) 28. Rg3 Qf4 29. Ra2 $2
(29. Ba2 Bd5 30. Qe2 $15) 29... Rb8 30. Qd1 Bc6 (30... e5 31. Rd2 exd4 32. Rxd4
Rxd4 33. cxd4 Bd5 $19) 31. Re2 $2 (31. Qe1) 31... Bf3 32. Bc2 Rb2 33. Rxf3 Qxf3
34. Rxe6 Qxc3 (34... Qxh3+ 35. Kg1 f4 36. Qe2 (36. Re1 f3 $19) 36... Rxc2 37.
Re8+ Kf7 38. Re7+ Kf8 $19) 35. Bxf5 {#} 35... Qd2 (35... Rf8 36. Re3 Qxe3 37.
fxe3 Rxf5+ 38. Kg1 Rg5+ 39. Kf1 Rbg2 40. Qf3 Rg1+ 41. Kf2 R5g2+ 42. Qxg2 Rxg2+
43. Kxg2 c3 $19) 36. Qf3 Qxd4 37. Bg6 Qd1+ 38. Qxd1 Rxd1+ 39. Kg2 Rd8 40. Re7
Rf8 41. Kg3 Rbxf2 42. Rxa7 R2f3+ 43. Kg2 Ra3 44. a5 c3 45. Rc7 Rd8 46. h4 Rd2+
{Apremio de tiempo.} 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.24"]
[Round "7"]
[White "Sampaoli, Cristián"]
[Black "Pérez Cascella, Julio"]
[Result "0-1"]
[ECO "A70"]
[PlyCount "92"]
[EventDate "2004.11.03"]

{Defensa Benoni moderna. Línea clásica moderna.
} 1. d4 Nf6 2. c4 e6 3. Nf3 c5
4. d5 exd5 5. cxd5 d6 6. h3 g6 7. Nc3 Bg7 8. e4 O-O 9. Bd3 b5 10. Bxb5 Nxe4 11.
Nxe4 Qa5+ {#} 12. Nc3 $2 (12. Nfd2 Qxb5 13. Nxd6 Qa6 14. N2c4 Nd7 15. O-O Nb6
16. Nxb6 Qxb6 17. Nxc8 Raxc8 18. Rb1 Rfd8 19. Bf4 Qb7 20. d6 Bf8 21. Qd3 Bxd6
22. Bxd6 Rc6 23. Rfd1 Qd7 24. Qa3 Rxd6 25. Rxd6 Qxd6 26. Qxa7 Re8 $44 {
Komarov-Lékó, Yugoslavia 1997.}) 12... Bxc3+ 13. bxc3 Qxb5 14. Be3 $2 (14. Qb3
$15) 14... Ba6 15. Rc1 Qc4 16. Ng5 $2 (16. Nd2 Qxd5 17. Qf3 $17) 16... Nd7 17.
Qg4 Ne5 (17... Qxa2 18. Qd1 (18. Qxd7 Qe2#) 18... Ne5 $19) 18. Qxc4 Bxc4 19.
Rc2 Rfe8 20. f3 Bxd5 21. Rd2 Bb7 22. Kf2 Nc4 23. Rd3 f5 (23... f6 $19) 24. h4
Ba6 25. Bf4 Rad8 26. h5 Ne5 27. Re3 Nd3+ 28. Kg3 Rxe3 29. Bxe3 h6 30. hxg6 hxg5
31. Bxg5 f4+ 32. Bxf4 Nxf4 33. Kxf4 d5 34. Kg5 d4 35. Rd1 d3 36. Rd2 Rd5+ 37.
Kh6 c4 38. f4 Bc8 39. g3 a6 40. a3 Bd7 41. Rb2 Rb5 42. Rf2 Bg4 43. g7 Rb6+ 44.
Kg5 Be2 45. f5 Kxg7 46. f6+ Kf7 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.24"]
[Round "7"]
[White "Mambrín, Antonio"]
[Black "González, Víctor"]
[Result "1-0"]
[ECO "D07"]
[PlyCount "85"]
[EventDate "2004.11.03"]

{Defensa Chigorin.
} 1. d4 d5 2. c4 Nc6 3. e3 Bf5 $6 (3... e5 $5) 4. Nc3 (4.
cxd5 Qxd5 5. Nc3 $16) 4... e6 5. a3 $146 (5. cxd5 exd5 6. Bb5 a6 7. Bxc6+ bxc6
8. Nge2 Nf6 9. Qa4 Qd7 10. b3 Bd6 11. Ba3 O-O 12. Rc1 Bd3 13. Bxd6 Qxd6 14. Nb1
Ne4 15. f3 Nf6 16. Kd2 Bb5 17. Qa3 Qd8 18. Ng3 a5 19. Nc3 a4 20. Nxa4 Nd7 21.
Qb4 Bxa4 22. bxa4 Nb6 23. Rc2 Rxa4 24. Qc5 Qa8 25. Ra1 Nc4+ 26. Ke2 Ra5 27. Qb4
Rb8 28. Qe1 Nxe3 29. Kxe3 Re8+ 30. Ne4 dxe4 31. fxe4 c5 32. d5 Qxd5 {
0-1 Lebredo-Barreras García, Cuba 1994.}) 5... dxc4 6. Bxc4 Qg5 $6 {#} (6...
Nf6) 7. g3 (7. Nf3 $1 $14 Qxg2 $4 8. Rg1 Qh3 9. Bf1 Qh5 10. Rg5 Qh6 11. e4 Bg6
12. Rb5 $18) 7... Qg6 8. Nf3 Qf6 9. Nh4 (9. h3 $14) 9... Bh3 10. Bf1 $2 (10.
Ne4 $14) 10... Bxf1 11. Kxf1 g5 12. Nf3 g4 13. Nh4 h5 14. h3 Qg7 15. hxg4 (15.
b4 $15) 15... hxg4 16. Bd2 O-O-O 17. Qe2 Be7 18. Kg2 f5 (18... Bxh4 19. Rxh4
Rxh4 20. gxh4 Nf6 21. b4 Ne7 22. Rh1 Nf5 $19) 19. Ng6 Rxh1 20. Nxe7+ Ngxe7 21.
Rxh1 Rh8 (21... e5 $17) 22. Qf1 (22. Qc4 $15) 22... Nd5 (22... Rxh1 23. Qxh1
Ng6 $17) 23. Rxh8+ Qxh8 24. Qh1 Qxh1+ 25. Kxh1 Nf6 26. Kg2 Ne4 27. Be1 Ng5 28.
Kf1 Ne7 29. Na4 Nd5 30. Ke2 b6 31. Nc3 Kd7 32. Na2 a5 33. a4 Kd6 34. Nc1 e5 35.
dxe5+ Kxe5 36. Nd3+ Ke4 {Apremio de tiempo de las blancas.} 37. b4 $6 axb4 38.
Nxb4 Nxb4 39. Bxb4 c5 40. Bc3 (40. a5 $5 cxb4 $4 41. axb6 $18) 40... Kd5 41.
Bf6 Ne4 42. Bg7 Kc4 43. Be5 {Apremio de tiempo de las negras.} 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.24"]
[Round "7"]
[White "Palau, Ignacio"]
[Black "Aguerreberry, Claudio"]
[Result "1/2-1/2"]
[ECO "B09"]
[PlyCount "70"]
[EventDate "2004.11.03"]

{Defensa Pirc. Ataque austríaco.
} 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5.
Nf3 O-O 6. Bd3 Nc6 7. O-O Bg4 8. Be3 (8. e5 dxe5 9. dxe5 Nd5 10. h3 Nxc3 11.
bxc3 Bf5 12. Qe2 Qd7 13. Be3 Rfd8 14. Rad1 Bxd3 15. cxd3 b5 16. Bc5 e6 17. d4
$14 {Bryson-Ludgate, Haifa 1989.}) 8... e5 9. dxe5 dxe5 10. f5 $6 (10. h3)
10... Nd4 (10... gxf5 11. exf5 Nd4 $15) 11. Be2 Bxf3 $146 (11... Nxe2+ 12. Qxe2
gxf5 13. exf5 e4 14. Nxe4 Nxe4 15. Qc4 Bxf5 16. Ne5 Nd6 17. Qf4 Re8 18. Ng4
Bxg4 {0-1 Nicklich-Grisbach, Alemania del Este 1984.}) 12. Bxf3 c6 13. g4 Nd7
14. Ne2 (14. Bg2 $11) 14... Nb6 15. b3 Qh4 16. Nxd4 exd4 17. Bf2 Qe7 18. Qe1
Nd7 19. Rd1 c5 20. Bh4 (20. b4 $15) 20... g5 21. Bg3 Be5 22. Qd2 h6 23. Rfe1 f6
(23... Bxg3 24. hxg3 Ne5 $17) 24. Be2 Kg7 {#} 25. Bc4 (25. c3 $5) 25... Bxg3
26. hxg3 Ne5 27. Be2 Rad8 28. Kf2 {Apremio de tiempo de las blancas.} 28... b5
29. Rh1 c4 30. bxc4 bxc4 31. Rb1 d3 32. cxd3 cxd3 33. Bf3 (33. Bd1 $17) 33...
Rd4 (33... Qc5+ 34. Kg2 Qc2 $19) 34. Qe3 Ra4 35. Rhd1 Rxa2+ {
Apremio de tiempo de las negras.} 1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.24"]
[Round "7"]
[White "Martínez Dorr, Fernando"]
[Black "Ciotta, Eric"]
[Result "1/2-1/2"]
[PlyCount "0"]
[EventDate "2004.11.03"]

 1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.24"]
[Round "7"]
[White "De Pauli, Manuel"]
[Black "Ortigala, Gonzalo"]
[Result "1-0"]
[ECO "A40"]
[PlyCount "113"]
[EventDate "2004.11.03"]

{Defensa inglesa.
} 1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. e4 Bb4 5. Bd3 (5. f3 f5 6.
exf5 Nh6 7. fxe6 Nf5 8. Bf4 dxe6 9. Qa4+ Nc6 10. O-O-O Nfxd4 11. Nb5 $16 {
Sadler-Kengis, Koge 1997.}) 5... f5 6. d5 fxe4 7. Bxe4 Qh4 8. Qe2 Nf6 9. Bd3 $2
(9. Bf3 $14) 9... Bxc3+ $146 (9... O-O $15) (9... Na6 10. Nf3 Qh5 11. Bd2 O-O-O
12. O-O-O Rhe8 13. d6 Bxd6 14. Nb5 Bf8 15. Nxa7+ Kb8 16. Nb5 e5 17. Bc2 Nb4 18.
Bxb4 Bxb4 19. h3 e4 20. Nfd4 Qxe2 21. Nxe2 e3 22. f3 Ba6 23. Bd3 d5 24. b3 c5
25. Nbc3 {Kalantarian-Bricard, Cannes 1995, 1/2-1/2 (75).}) 10. bxc3 O-O 11. g3
(11. Nf3 $15) 11... Qh5 12. Bf4 $2 (12. Qxh5 Nxh5 13. Be2 Nf6 $17) 12... exd5
13. Qxh5 Nxh5 14. Bxc7 (14. Bg5) 14... Rc8 15. Bxb8 {#} 15... Raxb8 (15... dxc4
$19) 16. Be2 Nf6 17. f3 dxc4 18. Nh3 Re8 19. Kf2 (19. Kd2) 19... d5 20. Rad1
Re7 21. Rhe1 Rbe8 (21... Rf8 $19) 22. Nf4 g5 23. Ng2 Kf7 24. Bf1 Rxe1 25. Nxe1
Bc6 26. Rd2 Ba4 27. Bh3 Ke7 (27... b5) 28. Ng2 Bd7 29. Bxd7 Kxd7 30. Ne3 Kc6
31. Nf5 (31. Rd4 $17) 31... b5 (31... g4 $19) 32. Nd4+ Kc5 33. Rb2 a6 34. a4
bxa4 35. Rb4 (35. Rb7 $17) 35... g4 36. Rxa4 gxf3 37. Kxf3 Kb6 38. Rb4+ Kc7 39.
Ra4 Kb7 40. Ra5 (40. Rb4+ $17) 40... Re1 41. Kf4 Kb6 42. Ra3 Ne4 (42... a5 $19)
43. g4 (43. Nc2 $17) 43... Rc1 (43... Nxc3 44. Rxc3 Re4+ 45. Kf5 Rxd4 $19) 44.
Ne2 Rc2 45. Ke3 a5 46. h4 Rd2 $2 (46... a4 $19 47. Rxa4 $2 Rxe2+ 48. Kxe2 Nxc3+
49. Kd2 Nxa4) 47. Nf4 Kc6 $2 {Apremio de tiempo de las negras.} (47... Kb5 48.
Nxd5 Rxd5 49. Kxe4 Rd3 $15) 48. Rxa5 Rd1 49. Ra6+ $2 (49. Nxd5 Nxc3 (49... Rxd5
50. Ra6+ Kb5 51. Kxe4 $16) 50. Nxc3 Rd3+ 51. Ke4 Rxc3 $14) 49... Kb5 50. Ra3
Nf6 $2 (50... Re1+ $17) 51. g5 Ng4+ 52. Ke2 Rh1 53. h5 Rh2+ 54. Kf3 Ne5+ 55.
Kg3 Rh1 56. h6 (56. Ra7 $16) 56... Kc6 (56... Rg1+ $11) 57. Ra6+ {
Apremio de tiempo de las blancas.} 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.24"]
[Round "7"]
[White "Mangiaterra, Ricardo"]
[Black "Razuk, Héctor"]
[Result "1-0"]
[PlyCount "0"]
[EventDate "2004.11.03"]

{Por ausencia.}  1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.24"]
[Round "7"]
[White "Savoretti, Ernesto"]
[Black "Colombo Berra, Pablo"]
[Result "1-0"]
[PlyCount "0"]
[EventDate "2004.11.03"]

{Por ausencia.}  1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.24"]
[Round "7"]
[White "Sánchez, Christian"]
[Black "Sanhueza, Cristián"]
[Result "0-1"]
[ECO "B13"]
[PlyCount "124"]
[EventDate "2004.11.03"]

{Defensa Caro-Kann. Ataque Pánov-Botvínnik.
} 1. e4 d5 2. exd5 Nf6 3. c4 c6 4.
d4 cxd5 5. Nc3 Nc6 6. Bg5 Be6 7. Bxf6 (7. a3 $5) 7... exf6 (7... gxf6 $5) 8. c5
Be7 9. Nf3 (9. Bb5 O-O 10. Nge2 $16) 9... O-O 10. Be2 $146 (10. Bb5) (10. a3 f5
11. Bb5 Bf6 12. O-O f4 13. h3 Kh8 14. Re1 Rg8 15. Bxc6 bxc6 16. Ne5 Qc7 17. b4
a6 18. a4 Rab8 19. Rb1 Bf5 20. Rb2 Rge8 21. Rbe2 Be6 22. Rb2 Bf5 23. Rbe2 Be6
24. Qd2 g5 25. Rb1 Bf5 26. Rbe1 Be6 {1/2-1/2 Vajda-Radlovacki, Timisoara 1994.}
) 10... f5 (10... b6 11. Qa4 Qc7 $11) 11. Qd2 (11. O-O $14 b6 12. Qa4) 11... b6
12. cxb6 Qxb6 13. O-O Rab8 14. Rab1 Bf6 15. Rfd1 h6 $2 {#} (15... Rfc8 $11) 16.
h4 $2 (16. b4 $14) 16... Rfc8 17. Na4 $6 (17. Qf4) 17... Qb4 18. b3 Qxd2 19.
Rxd2 g5 20. hxg5 hxg5 21. Ba6 $2 (21. Rbd1 g4 22. Ne1 $15 Nxd4 $2 23. Rxd4 Bxd4
24. Rxd4 $11) 21... Re8 22. Rbd1 (22. Re1 Rb4 23. Nc5 Nxd4 24. Nxd4 Bxd4 25.
Rc1 $17) 22... g4 23. Nh2 $2 (23. Ne1 Nxd4 24. Nc5 (24. Rxd4 $2 Bxd4 25. Rxd4
Bc8 $19) 24... Nb5 25. Bxb5 Rxb5 26. Ned3 $17) 23... Bg5 24. Rb2 Rb4 25. Rc2 (
25. Nc5) 25... Rxd4 26. Rxd4 Nxd4 27. Rc7 Re7 28. Rxe7 Bxe7 29. Kf1 Kg7 30. Bd3
Bd6 31. g3 f4 32. Kg2 Kf6 33. Nf1 fxg3 34. Nxg3 Ke5 35. Nc3 f5 36. Nge2 f4 37.
Kf1 Nxe2 38. Nxe2 Bf5 39. Ba6 Bb4 40. Nc1 Kd4 41. Ne2+ Ke5 42. Nc1 Bd2 43. Nd3+
Ke4 44. Ke2 {Apremio de tiempo.} 44... Bc3 45. Nc5+ Kd4 46. Nb7 Bb1 47. Nd6 Kc5
48. Nf7 Bxa2 49. Nh6 g3 50. fxg3 fxg3 51. Kf3 Be1 52. Nf5 Bxb3 53. Ne3 Bf2 54.
Ng4 Bc4 55. Bc8 a5 56. Bd7 Bb5 57. Be6 a4 58. Nf6 Bc4 59. Nd7+ Kb4 60. Nb6 a3
61. Nxd5+ Kb3 62. Bf7 a2 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.27"]
[Round "8"]
[White "Di Benedetto, Guillermo"]
[Black "Pérez Cascella, Julio"]
[Result "1/2-1/2"]
[ECO "A00"]
[PlyCount "95"]
[EventDate "2004.11.03"]

{Apertura Bird.
} 1. g3 Nf6 2. f4 c5 3. Bg2 d5 4. Nf3 Nc6 5. d3 g6 6. O-O Bg7
7. Qe1 d4 8. Na3 O-O 9. Bd2 Nd5 10. c3 e5 (10... Bg4 11. Nc2 Qd7 $13 {Gallagher
}) 11. fxe5 Nxe5 12. Nxe5 Bxe5 13. Nc4 $6 $146 (13. Nc2 Be6 14. c4 Nc7 15. b4
$14 {Beim-Lima, olimp. de Novi Sad 1990.}) 13... Bg7 14. a4 Be6 15. Rc1 Qd7 16.
a5 Rad8 17. Qf2 Bh3 18. cxd4 Bxd4 19. e3 Bg7 20. Bxh3 Qxh3 21. Qg2 $2 (21. Qf3
$15) 21... Qxg2+ 22. Kxg2 Ne7 $2 (22... b5 23. axb6 Nxb6 $17) 23. d4 $2 (23.
Bc3 Rxd3 24. Rcd1 Rfd8 (24... Rdd8 25. Nd6 $15) 25. Rxd3 Rxd3 26. Bxg7 Kxg7 27.
Rxf7+ Kxf7 28. Ne5+ Ke6 29. Nxd3 $15) 23... cxd4 24. Bb4 Rd7 $2 (24... Rfe8 $17
) 25. exd4 Rfd8 26. Ne5 Bxe5 27. dxe5 Nf5 $2 (27... Re8 $15) 28. Rxf5 $2 (28.
Rfe1 $14) 28... gxf5 29. Rf1 Re8 (29... Rd5 30. Rxf5 f6 31. Rxf6 Rxe5 $15) 30.
Rxf5 Re6 31. Bc3 Rd1 32. Rf4 h6 33. Rc4 Rd7 (33... b5 $15) 34. Rf4 b5 35. axb6
axb6 36. Kf3 b5 37. Rb4 Rb7 38. Ke4 Kf8 39. Kd5 Ke8 40. g4 Ra6 41. h3 Kd7 42.
Rf4 Kc8 (42... Ke8 $11) 43. Bb4 Ra4 44. b3 Ra1 45. Bd6 (45. Rf3 $14) 45... Rd1+
46. Kc5 {#} 46... Rc1+ $2 (46... Rd3 47. e6 fxe6 48. Rf8+ Kd7 49. Rf7+ $11) 47.
Kb4 Re1 48. h4 $16 1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.27"]
[Round "8"]
[White "Selvetti, Alexis"]
[Black "De Pauli, Manuel"]
[Result "0-1"]
[ECO "A03"]
[PlyCount "144"]
[EventDate "2004.11.03"]

{Apertura Bird.
} 1. f4 d5 2. Nf3 Nf6 3. e3 c6 (3... g6 4. Be2 Bg7 5. O-O O-O
6. d3 c5 $11) 4. b3 Bf5 (4... Bg4) 5. Bb2 Nbd7 6. d3 $2 $146 {><e3} (6. Be2 $11
e6 7. O-O h6 8. a4 Bd6 9. Nd4 Bh7 10. d3 Qc7 11. Ba3 {
Zulu-Dao Thien Hai, Tunja 1989, 0-1 (40).}) 6... e6 7. h3 h5 8. Be2 Bc5 9. d4
Bd6 10. Nbd2 h4 11. Ne5 Qe7 (11... g5 $1) 12. Bf3 O-O-O 13. Qe2 Bxc2 14. Rc1 {#
} 14... Bf5 $2 (14... Bxe5 15. dxe5 Ne4 16. Bxe4 (16. Rxc2 $2 Ng3 17. Qb5 Nxh1
$19) 16... Bxe4 17. Nxe4 dxe4 $15) 15. Rxc6+ $1 Bc7 (15... Kb8 16. Rxd6 Qxd6
17. Nxf7 $16) (15... bxc6 16. Qa6+ Kc7 (16... Kb8 17. Nxc6+ $18) 17. Qxa7+ Kc8
18. Nxc6 Qe8 19. Be2 $18) 16. Rc1 Kb8 17. O-O Rc8 18. a3 a6 (18... Bd6 19. Qb5
Nb6 $11) 19. b4 Bb6 20. Nb3 (20. Kh1 Ka8 21. b5 $14) 20... Ne4 21. Bxe4 Bxe4
22. Nd3 Bxd3 23. Qxd3 Rxc1 24. Rxc1 (24. Bxc1 $11) 24... Rc8 (24... g5 $15) 25.
Nc5 f5 26. Bc3 Nf6 27. Be1 (27. a4 $11) 27... Ne4 28. Qc2 Bxc5 $2 (28... Ka7
$15) 29. bxc5 g5 30. Rb1 gxf4 31. exf4 Rg8 $2 (31... Qg7 $14) 32. c6 Qxa3 33.
Rxb7+ Ka8 {#} 34. Rb3 $2 (34. Qb1 Qe3+ 35. Kh1 Nd6 36. Bxh4 Qxd4 37. Rb4 $18)
34... Qa1 35. c7 (35. Kh2 Qxd4 36. Ra3 Ka7 37. Qa2 $11) 35... Qxd4+ 36. Kh2 Qc4
37. Rb8+ $2 (37. Qxc4 dxc4 38. Rb4 c3 39. Bxc3 Nxc3 40. Rc4 Kb7 41. Rxc3 Rc8
42. Re3 $15) 37... Rxb8 38. cxb8=Q+ Kxb8 $19 39. Qb2+ Ka7 40. Bxh4 d4 41. Bd8
Ka8 42. Bb6 d3 43. Be3 Qb5 44. Qd4 Kb7 45. Qa7+ {
Apremio de tiempo de las blancas.} 45... Kc6 46. Qa8+ Kd7 47. Qa7+ Kd6 48. Qd4+
Kc6 49. h4 Qd5 50. Qb6+ Kd7 51. Qa7+ Ke8 52. Qxa6 d2 53. Qc8+ Kf7 54. Qc7+ Kf6
55. Qc8 Ke7 56. Bxd2 Qxd2 57. Qc7+ Ke8 58. Qc8+ Kf7 59. h5 Nf6 60. Qc7+ Qd7 61.
Qxd7+ Nxd7 62. Kh3 Nf6 63. Kh4 Kg7 64. Kg5 Ne4+ 65. Kh4 Nf2 66. Kg5 Ng4 67. g3
Kh7 68. h6 Nxh6 69. Kf6 Ng4+ 70. Kxe6 $19 Kg6 71. Kd5 Ne3+ 72. Ke5 Kh5 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.27"]
[Round "8"]
[White "Sepliarsky, Mario"]
[Black "Mambrín, Antonio"]
[Result "1-0"]
[ECO "A13"]
[PlyCount "59"]
[EventDate "2004.11.03"]

{Apertura Réti.
} 1. c4 e6 2. Nf3 d5 3. g3 dxc4 4. Bg2 Nf6 5. O-O c5 6. Na3 a6
(6... Nc6 7. Nxc4 Be7 8. b3 O-O 9. Bb2 Nd5 10. d4 $14 {
O'Kelly de Galway-Szabó, Torremolinos 1962.}) 7. Nxc4 b5 8. Nce5 Nd5 $146 (8...
Ra7 9. d4 Bb7 10. a4 b4 11. dxc5 Qxd1 12. Rxd1 Bxc5 13. Nd3 Be7 14. Be3 {
Vukic-Mednis, Nueva York 1976, 1-0 (43).}) 9. d4 f6 10. Nd3 c4 11. e4 Nb4 (
11... Nc7 $14) 12. Nf4 g5 $2 {#} 13. Nxg5 $1 fxg5 14. Qh5+ Kd7 15. Nxe6 $1 Kxe6
16. d5+ (16. e5 $1 Qxd4 17. Qe8+ Be7 18. Qxh8 N8c6 19. Qxh7 $18) 16... Kd7 17.
Bxg5 (17. e5) 17... Be7 18. Bf4 Qf8 19. e5 Bb7 20. Bh3+ Kd8 21. d6 N8c6 $2 (
21... Rg8 22. dxe7+ Qxe7 23. Rad1+ Nd3 24. Bf5 Nd7 25. Bxd3 cxd3 26. Rxd3 Rg6
$16) 22. Rad1 Nd3 23. Rxd3 $1 cxd3 24. Be3 Bxd6 25. exd6 Qxd6 26. Bb6+ Ke7 27.
Re1+ Kf8 28. Bc5 Qxc5 29. Qxc5+ Kf7 30. Be6+ (30. Be6+ Kf6 31. Qf5+ Ke7 32. Qf4
Ne5 33. Qxe5 Be4 34. Bf5+ Kf7 35. Qe6+ Kg7 36. Qe7+ Kh6 37. Qf6+ Kh5 38. Qh4#)
1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.27"]
[Round "8"]
[White "Martínez Dorr, Fernando"]
[Black "Sampaoli, Cristián"]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "65"]
[EventDate "2004.11.03"]

{Defensa siciliana. Variante Alapin.
} 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4
5. Qxd4 e6 6. Nf3 Nc6 7. Qe4 d6 8. Nbd2 Be7 (8... dxe5 9. Nxe5 Nxe5 10. Qxe5
Qd6 11. Bb5+ Bd7 12. Bxd7+ Qxd7 13. O-O Qc7 14. Qe2 Bd6 15. Nf3 Rc8 16. g3 O-O
$11 {Rogers-Yudasin, olimp. de Moscú 1994.}) 9. Nc4 dxe5 10. Ncxe5 Nxe5 11.
Nxe5 O-O 12. Bd3 f5 (12... Nf6) 13. Qe2 Qc7 14. O-O Bd6 15. Re1 $146 (15. f4 b6
16. Bb5 Bb7 17. c4 Nf6 18. Nf3 Ne4 19. Nd4 Rf6 20. Be3 g5 21. Ba4 a6 22. c5
Nxc5 23. Bc2 gxf4 24. Bf2 Rg6 25. Nf3 Ne4 26. Rac1 Bc5 27. Bxe4 fxe4 28. Bxc5
exf3 29. Rxf3 bxc5 30. Rf2 f3 31. Qe3 Rf8 32. g3 Bd5 33. Rxc5 Qg7 34. b3 Qa1+
35. Rf1 f2+ {0-1 Plecsko-Csonkics, camp. de Hungría 1992.}) 15... Nf6 16. h3
Nd7 (16... b6 $14) 17. Nc4 e5 $2 {#} (17... Kh8 $16) 18. Nxd6 $2 (18. Bf4 $1 b5
(18... exf4 19. Qe6+ Kh8 20. Qxd6 $18) 19. Nxd6 (19. Nxe5 $144 $18) 19... Qxd6
20. Rad1 Qg6 21. Bxb5 $18) 18... Qxd6 19. Bc4+ Kh8 20. Bg5 Qg6 21. Be7 (21. Qd2
$14) 21... Re8 22. Ba3 e4 23. f4 Nb6 24. Bb5 Bd7 25. Bxd7 Nxd7 26. Rad1 Nb6 (
26... Rad8 $11) 27. b3 Rad8 28. c4 Nd7 29. Bd6 Rc8 30. Qe3 b6 31. Rd5 Nf6 32.
Rd2 Nd7 33. Rd5 (33. Red1 $14) 1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.27"]
[Round "8"]
[White "Aguerreberry, Claudio"]
[Black "Ciotta, Eric"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "87"]
[EventDate "2004.11.03"]

{Defensa francesa. Variante del avance.
} 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6
5. Nf3 Bd7 6. Be2 Bb5 7. c4 Bxc4 8. Bxc4 Qb4+ 9. Nbd2 dxc4 10. a3 Qb5 11. O-O (
11. Qe2 cxd4 12. Nxd4 Qd5 13. N4f3 Nd7 14. Nxc4 Rc8 15. Ne3 Qe4 16. b4 $1 Nxe5
17. Nxe5 Qxe5 18. Bb2 $14 {Pinter-Ornstein, Budapest 1977.}) 11... Nc6 12. dxc5
Bxc5 13. Qe2 Nge7 14. a4 $146 (14. b4 Nd4 15. Nxd4 Bxd4 16. Nxc4 O-O $11 {
Stean-Forintos, Moscú 1975.}) 14... Qa6 (14... Qb4) 15. Ne4 Bb4 16. Nd6+ $5 (
16. Bd2 O-O 17. Bxb4 Nxb4 18. Nc5 Qc6 19. Qxc4 $11) 16... Bxd6 17. exd6 Nd5 18.
Ng5 O-O 19. Ra3 c3 (19... h6 $17) 20. Qe4 (20. Qxa6 bxa6 21. bxc3 $11) 20...
Nf6 21. Qh4 Ne5 22. Rxc3 Qxd6 $2 (22... Ng6 23. Qg3 Rad8 $15) 23. Nxh7 Nxh7 24.
Rh3 Nf3+ 25. gxf3 (25. Rxf3 $14) 25... Qd3 26. Re1 {
Apremio de tiempo de las blancas.} 26... Rfd8 (26... Rfc8 $1) 27. Re4 Qd1+ 28.
Kg2 Qxc1 29. Qxh7+ Kf8 30. Rg3 (30. Rg4 $1) 30... Qxb2 (30... Qh6 31. Qxh6 gxh6
$11) 31. Reg4 {#} 31... Rd2 $2 (31... Qf6 32. Rxg7 Rab8 33. R3g6 Qxg6+ 34. Rxg6
fxg6 35. Qxg6 $16) 32. Rxg7 Rxf2+ 33. Kg1 Ke7 (33... Rg2+ $5 34. Kh1 $1 $18 (
34. Rxg2 $2 Qc1+ 35. Kf2 Qb2+ 36. Ke1 Qc1+ 37. Ke2 Qb2+ $11)) 34. Rxf7+ Kd6 35.
Rd7+ Kc6 36. Rc7+ Kd6 37. Qd7+ (37. Qe7+ Ke5 38. Qc5+ Kf6 39. Qg5#) 37... Ke5
38. Rc5+ Kf4 39. Qf7+ (39. Rg4+ Kxf3 40. Qd3+ Kxg4 41. Qg3#) 39... Ke3 40.
Qxe6+ Kd4 41. Qd5+ Ke3 42. Qe4+ Kd2 43. Kxf2 Rd8 $2 44. Qe2# 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.27"]
[Round "8"]
[White "González, Víctor"]
[Black "Mangiaterra, Ricardo"]
[Result "1/2-1/2"]
[ECO "C50"]
[PlyCount "36"]
[EventDate "2004.11.03"]

{Defensa húngara.
} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. dxe5 dxe5 6.
Qxd8+ Bxd8 7. O-O Nf6 8. Bg5 h6 9. Bxf6 Bxf6 10. Bb5 Bd7 11. Nc3 a6 12. Bxc6
Bxc6 13. Rad1 Rd8 14. h3 Rxd1 15. Rxd1 Ke7 16. Kf1 Rd8 17. Rxd8 Kxd8 18. Ke2
Ke7 1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.27"]
[Round "8"]
[White "Palau, Ignacio"]
[Black "Savoretti, Ernesto"]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "117"]
[EventDate "2004.11.03"]

{Defensa siciliana. Variante Alapin.
} 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4
5. Nf3 e6 6. cxd4 d6 7. Nc3 Nxc3 8. bxc3 Qc7 9. Qb3 (9. Bd2 Nd7 10. exd6 Bxd6
11. Bd3 b6 12. O-O Bb7 13. Re1 O-O $11) 9... Nd7 10. Ba3 $5 $146 (10. Bf4 {-->}
10... Be7 11. Bd3 b6 12. O-O Bb7 13. exd6 Bxd6 14. Bxd6 Qxd6 15. Ng5 Nf6 {
Maslik-Papanetz, camp. de Eslovaquia por eq. 1997.}) 10... b6 (10... dxe5 11.
Bxf8 Kxf8 12. Qb4+ Kg8 13. Rd1 $44) 11. Ng5 $5 Bb7 (11... dxe5 12. Bxf8 (12.
Nxe6 fxe6 13. Qxe6+ Kd8 $19) 12... Rxf8 13. Bd3 $44) 12. f4 Be7 13. h4 h6 14.
Nf3 O-O 15. Bd3 Rfe8 (15... Rfc8 $15) 16. Rc1 dxe5 17. fxe5 Rad8 18. Bxe7 Rxe7
19. O-O Nc5 20. Qb1 Nxd3 21. Qxd3 Red7 22. g4 $6 Qc6 (22... Bd5 $15) 23. g5
hxg5 24. hxg5 g6 25. Qe3 (25. Kh2 $11) 25... Rc8 26. Rc2 Qe4 27. Re2 Qg4+ 28.
Rg2 Qe4 29. Re2 Qxe3+ 30. Rxe3 Rdc7 31. Rc1 {Apremio de tiempo de las blancas.}
31... Bxf3 $2 (31... Rc4 $15) 32. Rxf3 Rc4 33. Kf2 $2 (33. Rd3 b5 34. Rb1 a6
35. Rb3 $11) 33... Rxd4 34. cxd4 Rxc1 35. Ra3 a5 36. Rb3 Rc2+ 37. Ke3 Rxa2 38.
Rxb6 a4 39. Ra6 a3 40. Kd3 Rg2 41. Kc4 a2 42. Kb3 Rg3+ 43. Kxa2 Rxg5 44. Kb3
Rf5 45. Kc4 Kg7 46. Kd3 g5 47. Ke3 Kg6 48. Ra8 g4 49. Rg8+ Kh5 50. Ke4 Rf1 51.
d5 exd5+ 52. Kxd5 Kh4 53. Rg7 Kh3 54. Rh7+ Kg2 55. Kd6 g3 56. Ke7 {#} 56... Kg1
$2 (56... Rf5 57. Rxf7 Rxe5+ $19) 57. Rxf7 $11 Rxf7+ 58. Kxf7 g2 59. e6 1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.27"]
[Round "8"]
[White "Razuk, Héctor"]
[Black "Lujambio, Arturo"]
[Result "0-1"]
[PlyCount "0"]
[EventDate "2004.11.03"]

{Por ausencia.}  0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.27"]
[Round "8"]
[White "Sanhueza, Cristián"]
[Black "Colombo Berra, Pablo"]
[Result "1-0"]
[PlyCount "0"]
[EventDate "2004.11.03"]

{Por ausencia.}  1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.11.27"]
[Round "8"]
[White "Ortigala, Gonzalo"]
[Black "Sánchez, Christian"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "109"]
[EventDate "2004.11.03"]

{Defensa siciliana.
} 1. e4 c5 2. Nc3 e6 3. f4 d5 4. Bb5+ Bd7 5. Bxd7+ Qxd7 6.
d3 Nc6 7. Nf3 Bd6 $4 (7... dxe4 $11) 8. exd5 Nd4 (8... exd5 9. Nxd5 Nge7 10.
Qe2 $14) 9. Nxd4 (9. O-O $16) 9... cxd4 10. dxe6 Qxe6+ 11. Ne2 Nf6 (11... Ne7)
12. O-O Qd5 (12... O-O 13. Nxd4 Bc5 14. c3 Bxd4+ 15. cxd4 $14) 13. Ng3 O-O 14.
Bd2 Bc5 15. Qf3 (15. f5 $5) 15... Qd7 16. Ne4 Nxe4 17. Qxe4 (17. dxe4 d3+ 18.
Kh1 dxc2 19. Bc3 $14) 17... Rac8 18. Kh1 (18. f5 $14) 18... f5 (18... Rfe8 19.
Qf3 Qb5 $5) 19. Qf3 (19. Qe5 $2 Rfe8 $19) 19... Rfd8 20. Rfe1 Bf8 21. c4 b6 (
21... dxc3 22. Bxc3 Qxd3 23. Qxb7 $16) 22. a4 a5 23. b3 g6 24. Re5 Rc5 25. Rae1
Rxe5 26. Rxe5 Qc7 27. h3 Bd6 28. Re1 Kg7 29. g3 Rd7 30. Kg2 Re7 31. Qd5 Bc5 32.
Re6 $2 (32. Kf3 $16) 32... Rxe6 33. Qxe6 Qb7+ 34. Qd5 (34. Kf2 Qh1 35. g4 Qh2+
36. Ke1 Qg1+ 37. Ke2 Qg2+ $11) 34... Qxd5+ 35. cxd5 {#} 35... Kf6 $2 (35... Kf7
$11) 36. g4 Ke7 37. gxf5 gxf5 38. Kg3 Kd6 $2 (38... Kf7 $14 39. Bc1 Bb4 40. Bb2
Bc3 41. Ba3 Be1+ 42. Kf3 Bc3 43. Bd6 Ke8 44. Bc7 Kd7 45. Bxb6 Kd6 46. Bd8 Kxd5)
39. Kh4 Kxd5 40. Kg5 Ke6 41. Kh6 Kf7 42. Kxh7 Bf8 43. Be1 Bd6 44. Bg3 Bf8 45.
Bh4 Bd6 46. Bg5 Bf8 47. Bd8 Bd6 48. Bxb6 Bxf4 49. Bxa5 Be3 50. Be1 f4 51. a5 f3
52. a6 Bd2 53. a7 (53. Bxd2 $2 f2 $19) 53... Bxe1 54. a8=Q f2 55. Qf3+ 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.12.01"]
[Round "9"]
[White "Sampaoli, Cristián"]
[Black "Di Benedetto, Guillermo"]
[Result "1/2-1/2"]
[ECO "B33"]
[PlyCount "24"]
[EventDate "2004.11.03"]

{Defensa siciliana. Variante Sveshníkov.
} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4.
Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Qa5+ 10. Bd2 Qd8 11.
Bg5 Qa5+ 12. Bd2 Qd8 1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.12.01"]
[Round "9"]
[White "Pérez Cascella, Julio"]
[Black "De Pauli, Manuel"]
[Result "1-0"]
[ECO "A30"]
[PlyCount "103"]
[EventDate "2004.11.03"]

{Apertura inglesa. Variante simétrica con doble fianchetto.
} 1. Nf3 Nf6 2. g3
b6 3. Bg2 Bb7 4. b3 g6 5. Bb2 Bg7 6. O-O O-O 7. c4 c5 8. d4 cxd4 9. Qxd4 Nc6
10. Qe3 $146 (10. Qd2 d5 11. cxd5 Qxd5 12. Ne5 Qe6 13. Nd3 Rfd8 14. Nc3 Rac8
$11 {Barcza-Porath, olimp. de Múnich 1958.}) 10... d6 (10... d5 $5) 11. Rd1 Qc8
12. Nc3 Ng4 (12... h6 $11) 13. Qd2 Nce5 14. Nxe5 Nxe5 15. Nd5 Re8 16. Rac1 Qd7
(16... e6 $14) 17. f4 Ng4 18. Bxg7 Kxg7 19. Rc2 (19. h3 Nf6 20. e4 $16) 19...
Rac8 20. h3 Nh6 (20... Bxd5 21. Qxd5 Nf6 22. Qd4 $14) 21. g4 (21. e4 $16) 21...
Bxd5 22. Qxd5 Ng8 (22... Rc5 $14) 23. a4 (23. e4 $16) 23... Qc7 24. e3 Qc5 25.
Qd4+ Kf8 (25... Nf6 $14) 26. Kh1 (26. g5 $16) 26... Nf6 27. g5 Qxd4 28. exd4
Nh5 29. Rf2 Rc7 30. Kh2 Ng7 31. Rd3 a6 32. Be4 e6 33. d5 exd5 34. Bxd5 Re1 35.
Bf3 Ke7 36. Rfd2 Rd7 (36... Ne6 37. Rxd6 Re3 38. R6d3 Rxd3 39. Rxd3 Nxf4 40.
Re3+ Ne6 $14) 37. Bg4 (37. Kg2 Ne6 38. Kf2 Ra1 39. Re3 Rd8 40. Bg4 $16) 37...
Rd8 38. a5 bxa5 39. c5 d5 (39... Ne8 $14) 40. Rxd5 Rxd5 41. Rxd5 Ne6 42. c6 Rc1
43. Rd7+ Ke8 44. Bxe6 fxe6 45. Rxh7 Rxc6 46. Rb7 (46. Rg7 e5 47. fxe5 Re6 48.
h4 Kf8 49. Ra7 Rxe5 50. Rxa6 Kg7 51. Rb6 Re3 52. Rb7+ Kf8 53. Kg2 $16) 46...
Rc3 (46... Rc2+ 47. Kg3 Rb2 48. Rb6 Kf7 49. Rxa6 Rxb3+ 50. Kg4 $16) 47. Kg2 Kf8
48. Rb6 Kf7 49. Rxa6 Rxb3 (49... Rc5) 50. Ra7+ Kf8 51. Rxa5 {#} 51... Re3 $2 (
51... Kf7 52. Ra7+ Kf8 53. h4 Rb5 54. Kf3 e5 55. fxe5 Rxe5 $16) 52. Re5 (52.
Re5 Ra3 (52... Rxe5 53. fxe5 Kf7 54. Kg3 Ke7 55. Kg4 Kf7 56. h4 Kg7 57. h5
gxh5+ 58. Kxh5 $18) 53. Rxe6 $18) 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.12.01"]
[Round "9"]
[White "Aguerreberry, Claudio"]
[Black "Selvetti, Alexis"]
[Result "1/2-1/2"]
[ECO "C69"]
[PlyCount "109"]
[EventDate "2004.11.03"]

{Apertura española. Variante del cambio.
} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4.
Bxc6 dxc6 5. O-O f6 6. d4 Bg4 7. dxe5 Qxd1 8. Rxd1 fxe5 9. Rd3 Bd6 (9... Bxf3
$6 10. gxf3 Bd6 11. Be3 Ne7 12. Nd2 $14) 10. h3 $6 (10. Nbd2 b5 11. b3 Ne7 12.
Bb2 Ng6 13. g3 O-O 14. Kg2 c5 15. c4 Rab8 $11 {
Timman-Kaspárov, Hilversum (m/5) 1985.}) 10... Bxf3 11. gxf3 $5 $146 (11. Rxf3
$11 Nf6 12. Nc3 O-O 13. Bg5 Nd7 14. Rxf8+ Nxf8 15. Ne2 Ne6 16. Be3 c5 17. Kf1
Rf8 18. Rd1 Rf7 19. Ng1 b6 20. c3 Nf8 21. Ke2 Ng6 22. g3 Kf8 23. Nf3 h6 24. h4
Ne7 25. Nxe5 Rf6 {Roeschlau-Krockenberger, Dortmund 1988.}) 11... Ne7 12. Nd2
b5 13. Nf1 O-O-O (13... Rf8 $15) 14. Ng3 (14. Bg5) 14... Bc5 (14... h6) 15. Be3
Rxd3 16. cxd3 Bb6 17. Kf1 Rf8 18. Ke2 Kd7 19. Rc1 g6 20. Nf1 Nc8 21. Nd2 Nd6
22. Nb3 Rf7 $2 (22... Nb7 $11) 23. Nc5+ Bxc5 24. Rxc5 Re7 25. f4 exf4 26. Bxf4
Nb7 27. Rc1 c5 28. f3 (28. b4 $1 $16) 28... c6 29. h4 Re8 30. Ke3 a5 31. h5 Re6
32. hxg6 hxg6 33. Bg5 a4 34. f4 {Apremio de tiempo de las blancas.} (34. b3 $16
) 34... c4 35. e5 cxd3 36. Kxd3 Re8 (36... c5 $14) 37. Bf6 Rc8 38. Rg1 Nc5+ $2
(38... Ke6 39. Rxg6 Kf5 40. Rh6 Kxf4 $16) 39. Ke3 a3 40. b3 Na6 41. Rxg6 Nb4
42. Rg7+ Ke8 43. Ke4 Nd5 {#} 44. Kf5 (44. e6 $1 Nxf6+ 45. Ke5 $18) 44... Rc7
45. Rxc7 Nxc7 46. e6 Nd5 47. Bd4 Nb4 {Apremio de tiempo de las negras.} 48. Bc5
Nxa2 49. Kg6 Nc1 50. f5 Nxb3 51. Bxa3 Nd4 52. Bc5 Nb3 53. Bd6 Nd4 54. Kf6 Nf3
55. Bc5 1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.12.01"]
[Round "9"]
[White "Lujambio, Arturo"]
[Black "Sepliarsky, Mario"]
[Result "0-1"]
[ECO "A72"]
[PlyCount "48"]
[EventDate "2004.11.03"]

{Defensa Benoni moderna. Variante clásica.
} 1. d4 Nf6 2. c4 e6 3. Nc3 c5 4.
d5 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. h3 (9. O-O $1) 9... Re8
10. Qc2 Na6 $146 (10... a6 11. O-O b5 12. a3 Qe7 13. Bg5 Nbd7 14. Rfe1 Bb7 15.
Nd2 h6 16. Bh4 g5 17. Bg3 Ne5 18. b3 g4 19. f4 Ng6 20. Rab1 gxh3 21. gxh3 Bc8
22. Kh2 Qd7 23. Bf1 Nh5 24. Ne2 Nxg3 25. Kxg3 {
Chudleigh-Grumer, olimp. de Lucerna 1982, 0-1 (41).}) 11. a3 (11. Bxa6 bxa6 12.
O-O {-->} 12... Rb8 13. Rb1 Rb4 14. a3 Rbxe4 15. Nxe4 Bf5 16. Nxf6+ Bxf6 17.
Qc4 Bxb1 {McLardy-Milnes, corr. 1988.}) 11... Nc7 (11... Qe7) 12. Bg5 (12. O-O
{-->} 12... b5 13. Bg5 a6 14. Nd2 h6 15. Bxf6 Qxf6 16. Rae1 c4 17. f4 a5 {
Tesic-Masic, Vrsac 1969.}) 12... h6 13. Bxf6 $2 (13. Be3 $11) 13... Bxf6 (13...
Qxf6 $15) 14. O-O Bd7 15. Rfe1 b5 16. Rad1 (16. Nh2) 16... a5 17. Bf1 b4 $2 (
17... Bg7 $15) 18. Nb1 Nb5 19. a4 $2 (19. Nbd2 $11) 19... Nd4 20. Nxd4 Bxd4 21.
b3 Qh4 22. Bd3 $2 (22. Bb5 $1 Bxb5 (22... Bxh3 $2 23. Rxd4 Bxg2 24. Kxg2 Qg4+
25. Kf1 cxd4 26. Bxe8 Rxe8 27. Nd2 $16) 23. axb5 $15) 22... Re5 (22... Bxh3 $1)
23. Re2 (23. Bf1 Rg5 24. Rxd4 cxd4 25. Kh2 Rh5 $19) 23... Bxh3 24. Kf1 {#}
24... Bxg2+ (24... Bxg2+ 25. Ke1 (25. Kxg2 Rg5+ 26. Kf3 Qg4#) 25... Rae8 26.
Kd2 Qf4+ 27. Re3 Qxf2+ 28. Kc1 Qxe3+ $19) 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.12.01"]
[Round "9"]
[White "Mambrín, Antonio"]
[Black "Palau, Ignacio"]
[Result "0-1"]
[ECO "A33"]
[PlyCount "118"]
[EventDate "2004.11.03"]

{Apertura inglesa-->Defensa siciliana. Variante Paulsen-Kan.
} 1. c4 c5 2. Nf3
Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. a3 a6 7. e4 d6 8. Be2 Be7 9. Be3 O-O
10. O-O Qc7 11. Rc1 Nxd4 12. Bxd4 (12. Qxd4 Rb8 13. Qb6 Qxb6 14. Bxb6 Bd7 15.
Rfd1 $11 {Kaspárov-Ivanchuk, Linares 2002, 1/2-1/2 (29).}) 12... b6 13. f4 $146
(13. Qd3 Nd7 14. Qg3 Bf6 15. Bxf6 Nxf6 16. Rfd1 Ne8 17. Qd3 Bb7 18. b4 Rc8 19.
Qd4 Ba8 20. f3 Rb8 21. Bf1 Qe7 22. Rc2 Qc7 23. Rcd2 Rc8 24. Qe3 b5 25. e5 dxe5
26. Rd7 Qb8 27. cxb5 axb5 {
Timoshchenko-Arnason, Polanica Zdroj 1979, 1/2-1/2 (41).}) 13... Bb7 14. Bf3 (
14. Bd3 $14) 14... Nd7 15. Be3 Rac8 16. Rf2 Rfe8 17. Ne2 Nc5 18. Qc2 Qb8 (18...
Nd7 19. Qd1 Nc5 $11) 19. b4 Nd7 20. Qd3 Red8 21. Ng3 Ba8 22. Rfc2 Nf6 23. Bd4
e5 (23... Nd7 $14 24. Nh5 $2 g6 25. Ng3 e5 $11) 24. Be3 (24. Nf5 $5 Re8 25. Bb2
$14 exf4 $2 26. g3 $1 $40) 24... Bf8 25. Qd2 b5 26. fxe5 dxe5 27. Qe2 Bc6 28.
c5 h6 29. Bf2 (29. Rf1 $14) 29... a5 $5 30. Nf5 Qa8 (30... Qb7 $14) 31. Re1 $2
(31. Bh4 g5 32. Bg3 Nxe4 33. Bxe5 Re8 34. Bb2 $16) 31... axb4 32. axb4 Qa3 33.
Rb1 Qd3 34. Qxd3 Rxd3 35. Re2 (35. Be1 $11) 35... Ra8 (35... g6 36. Ng3 Ra8 $15
) 36. Bg3 Nd7 37. Ne3 Raa3 38. Nd5 (38. Bf2 $11) 38... f5 {
Apremio de tiempo de las negras.} 39. Nc7 Rdb3 $2 (39... Ra7 $15) 40. Rxb3 Rxb3
{#} 41. Be1 $2 (41. exf5 Bxf3 42. gxf3 Rxb4 43. c6 Nb8 44. Rxe5 Nxc6 45. Rxb5
Rxb5 46. Nxb5 $14) 41... f4 $2 (41... Nf6 $15) 42. Ra2 Nf6 43. Nd5 Rb1 44. Kf1
Kf7 45. Ra7+ Kg6 46. Ra6 Bd7 47. Ra8 {Apremio de tiempo de las blancas.} 47...
Kf7 48. Nxf6 gxf6 49. Bh5+ Ke7 50. Ra7 Kd8 51. Ra8+ Ke7 52. Ra7 Kd8 53. Ke2 Bc6
54. Bg6 Be7 55. Ra6 Kc7 56. Ra7+ Bb7 57. Bf7 Kb8 58. Ra5 Bxe4 59. Rxb5+ Kc7 {
Apuro de tiempo.} 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.12.01"]
[Round "9"]
[White "González, Víctor"]
[Black "Martínez Dorr, Fernando"]
[Result "1/2-1/2"]
[ECO "D60"]
[PlyCount "16"]
[EventDate "2004.11.03"]

{Gambito de dama rehusado.
} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O
6. Nf3 Nbd7 7. Bd3 b6 8. cxd5 exd5 1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.12.01"]
[Round "9"]
[White "Mangiaterra, Ricardo"]
[Black "Sanhueza, Cristián"]
[Result "1-0"]
[ECO "B20"]
[PlyCount "141"]
[EventDate "2004.11.03"]

{Apertura inglesa. Variante Botvínnik.
} 1. e4 c5 2. Ne2 Nc6 3. c4 g6 4. Nbc3
Bg7 5. d3 Nf6 6. g3 O-O 7. Bg2 a6 8. O-O Rb8 9. Be3 d6 10. a4 Bd7 11. h3 Ne8
12. d4 cxd4 13. Nxd4 Kh8 $146 (13... Nc7 14. Rb1 (14. a5 Ne6 15. Nb3 Ne5 16.
Nd2 Nd3 $11 {Romanishin-Popovic, Sarajevo 1984.}) 14... Ne6 15. Nde2 b6 16. f4
Nb4 17. Qd2 Nc5 18. b3 Qc8 19. Kh2 b5 20. axb5 axb5 21. e5 Bf5 22. Bxc5 dxc5
23. Rbd1 bxc4 24. bxc4 Rd8 25. Nd5 Kf8 {
Kosteniuk-Zhurina, Moscú 1997, 1-0 (38).}) 14. Rc1 Nxd4 15. Bxd4 b5 16. axb5
axb5 17. c5 Bc6 (17... dxc5 18. Bxc5 Nc7 $14) 18. b4 dxc5 19. Bxc5 {#} 19...
Qxd1 $4 (19... Nd6 $16) 20. Rfxd1 Rb7 21. Ne2 Rg8 22. Nd4 Bxd4 23. Bxd4+ e5 24.
Bxe5+ f6 25. Bb2 (25. Bxf6+ Nxf6 26. Rxc6 $18) 25... Rd7 26. e5 Rxd1+ 27. Rxd1
Bxg2 28. exf6 Rf8 29. Kxg2 (29. f7+ Ng7 30. Kxg2 h5 31. Rd7 $18) 29... Kg8 30.
Rd8 Kf7 31. Rd7+ Ke6 32. Rd8 Kf7 33. Rd7+ (33. Bd4 $22 {(zugzwang)}) 33... Ke6
34. Rxh7 (34. Rd8 Kf7 $11) 34... Nxf6 35. Bxf6 (35. Rg7 Nd5 36. Rxg6+ $18)
35... Rxf6 36. Rb7 Rf5 37. Rb6+ Kf7 38. f4 Rd5 39. Kf3 Rd3+ 40. Kg4 Rd5 41. Kf3
Rd3+ 42. Kf2 Rd5 43. Ke3 Rh5 {Apremio de tiempo de las negras.} 44. Kf3 Rd5 45.
Ke4 Rh5 46. g4 Rxh3 47. Rxb5 Rg3 48. g5 Rg1 49. Rb6 Re1+ 50. Kd5 Rf1 51. Rf6+ (
51. b5 Rxf4 $2 52. Rf6+ Rxf6 53. gxf6 Kxf6 54. b6 $18) 51... Ke7 52. Kc6 Rc1+
53. Kb6 Rc4 54. b5 Kd7 55. f5 gxf5 56. Rxf5 $18 Rg4 57. Kb7 Ke6 58. Rc5 Kd6 59.
Rc6+ Kd7 60. g6 Rg1 61. g7 Rg2 62. Rc7+ Kd6 63. b6 Rg1 64. Kc8 Ra1 65. g8=Q $2
(65. b7 $18) 65... Ra8+ 66. Kb7 Rxg8 $18 67. Rc8 Rg7+ 68. Kb8 Rg1 69. b7 Ra1
70. Rc2 Kd7 71. Rd2+ {Apremio de tiempo de las blancas.} 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.12.01"]
[Round "9"]
[White "Colombo Berra, Pablo"]
[Black "Ortigala, Gonzalo"]
[Result "0-1"]
[PlyCount "0"]
[EventDate "2004.11.03"]

{Por ausencia.}  0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.12.01"]
[Round "9"]
[White "Sánchez, Christian"]
[Black "Savoretti, Ernesto"]
[Result "1-0"]
[ECO "B25"]
[PlyCount "111"]
[EventDate "2004.11.03"]

{Defensa siciliana. Sistema cerrado.
} 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7
5. d3 e6 6. f4 Nge7 7. Be3 d6 8. Nf3 O-O 9. O-O Rb8 (9... Nd4) 10. d4 cxd4 11.
Nxd4 Qb6 12. Nf5 Qxb2 13. Nxe7+ Nxe7 14. Bxa7 Qxc3 $2 $146 (14... Ra8 $11 15.
Bd4 Bxd4+ 16. Qxd4 Nc6 17. Qc4 Qb6+ 18. Kh1 Qd4 19. Qb3 Na5 20. Qa3 Ra6 21.
Rfd1 Qf2 22. Qb4 Rd8 23. Nb5 Qxc2 24. Nxd6 Nc6 25. Qb1 Qxb1 26. Raxb1 e5 27.
Nxc8 Rxc8 28. Rxb7 Rxa2 29. h4 Na5 30. Ra7 Rcc2 {
1/2-1/2 Saravanan-Zagrebelny, Calcuta 1997.}) 15. Bxb8 Qc5+ $2 (15... Qe3+ 16.
Kh1 Bxa1 17. Qxa1 Qc5 18. Rd1 Rd8 19. Qd4 Qxd4 20. Rxd4 d5 $16) 16. Kh1 Bxa1 (
16... d5) 17. Bxd6 Qb6 18. Bxe7 Re8 {#} 19. Qxa1 $2 (19. Qd6 $18) 19... Rxe7
20. Qf6 Qb4 21. c3 Qa3 22. Qd4 (22. h4 Rd7 23. h5 Rd3 $16) 22... Qa5 (22... Bd7
$16) 23. Qb4 Qd8 (23... Qxb4 24. cxb4 e5 25. a4 $18) 24. Rf2 (24. a4) 24... Rd7
25. h4 Rd3 26. Kh2 Qc7 27. Rc2 e5 28. Qb5 Rxc3 29. Rxc3 Qxc3 30. Qe8+ (30. Qxe5
Qxe5 31. fxe5 $16) (30. fxe5 $16) 30... Kg7 31. Qxe5+ Qxe5 32. fxe5 Be6 (32...
f6 $5 33. exf6+ Kxf6 34. Kg1 Ke5 35. Kf2 b6 36. Ke3 Bb7 $14) 33. a3 Bc4 34. Kg1
Kf8 35. Kf2 Ke7 36. Ke3 b6 37. Kd4 Be6 38. Bf1 Kd7 39. Kc3 (39. Bc4 Kc6 (39...
Bxc4 $2 40. Kxc4 Kc6 41. Kd4 $18) 40. Bd5+ (40. Bxe6 fxe6 $11) 40... Kb5 (40...
Bxd5 41. exd5+ $18) 41. Kc3 Ka4 42. Kb2 Kb5 $16) 39... Kc6 40. Kb4 h6 41. Bb5+
Kc7 42. Be8 (42. Bc4 Bxc4 $2 43. Kxc4 $18) 42... g5 $2 (42... Kd8 43. Bc6 Kc7
$16) 43. hxg5 (43. Kb5) 43... hxg5 44. Kb5 Bb3 45. Kb4 (45. Bc6 Ba4+ $2 46.
Kxa4 Kxc6 47. Kb4 b5 48. g4 Kb6 49. Kc3 $18) 45... Be6 46. Bb5 Kb7 47. Bc4 Kc6
(47... Bxc4 $2 48. Kxc4 $18) 48. a4 (48. Bd5+ $2 Bxd5 49. exd5+ Kxd5 50. Kb5
Kxe5 51. Kxb6 f5 52. a4 f4 53. gxf4+ gxf4 54. a5 f3 55. a6 f2 56. a7 f1=Q 57.
a8=Q $11) 48... Kb7 49. Bd5+ Kc7 50. Kc4 Kd7 $2 (50... Bd7 51. Kb3 Be8 52. Kb4
Kd8 53. Bc4 Bc6 54. Bxf7 Bxe4 55. Kb5 Kc7 56. Be8 Bf3 $16) 51. Kb5 (51. Bxe6+
$1 fxe6 52. Kb5 Kc7 53. Ka6 g4 54. Ka7 Kc6 55. Kb8 Kc5 56. Kc7 Kd4 57. Kxb6 $18
) 51... Kc7 {#} 52. a5 $4 (52. Bxe6 fxe6 53. Ka6 $18) 52... bxa5 53. Kxa5 (53.
Bxe6 fxe6 54. Kxa5 Kc6 $11) 53... Kd8 $4 (53... Kd7 54. Kb6 Ke7 55. Kc7 Bg4 56.
Kc6 Be6 $11) 54. Bxe6 fxe6 55. Kb6 Kd7 56. Kb7 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2004.12.01"]
[Round "9"]
[White "Ciotta, Eric"]
[Black "Razuk, Héctor"]
[Result "1-0"]
[PlyCount "0"]
[EventDate "2004.11.03"]

{Por ausencia.}  1-0