Torneo Mayor 2003 - Partidas Comentadas

(1) Evans, Pablo - Sánchez, Christian [C00] Mayor, Rosario (1.1), 11/11/2003 Defensa francesa. Variante Spielmann. 1.e4 e6 2.b3 d5 3.Ab2 dxe4 4.Cc3 Cf6 5.De2 Ab4 6.0-0-0 De7 7.Cxe4 Aa3 8.Cxf6+ Dxf6= 9.c3 [9.d4 Axb2+ 10.Rxb2 0-0 11.Cf3 Td8 12.De4 c5 13.Ad3 g6 14.De5 Dxe5 15.dxe5 Cc6 16.h4 h6 17.Ae4 Ad7 18.Td6 Rf8 19.Thd1 Re7 20.g4 Tac8 21.g5 h5 22.a4 Ca5 23.c3 b6 24.Ra3 Ac6 25.Axc6 Cxc6 26.b4 cxb4+ 27.cxb4 Re8 28.Txd8+ Txd8 29.Txd8+ Rxd8 30.Rb3 1/2-1/2 Tartakower-Keres, Parnu 1937.] 9...Axb2+ 10.Rxb2 0-0 [10...a5 ] 11.Df3 De7 12.h4 [12.d4 ] 12...a5 13.a4 Ad7 [13...Cd7 ] 14.Ad3 [14.d4 ; 14.Dxb7? Ac6-+ ] 14...Ac6 15.Ae4 [15.Dh5 h6=/+ ] 15...Axe4 16.Dxe4 Cd7 17.Cf3 [17.Dxb7 Cc5 18.Df3 Tfb8-/+ ] 17...c6 [17...b5! 18.axb5 a4-> ] 18.Cg5?! [18.d3 ] 18...Cf6 19.Dc2 b5 20.Ta1 Tfd8 21.Thd1 Dc5 [21...Td5 ; 21...Tab8 ] 22.d4 Dd5 [22...Db6 ] 23.f3 h6 [23...Tdb8-/+ ] 24.Ce4 Cxe4?! [24...Cd7-/+ ] 25.Dxe4 Dd7 26.g4 Dd5?? [26...Db7=/+ ] 27.Dxd5 Txd5 28.c4?! [28.axb5+/= ] 28...bxc4 29.bxc4 Tb8+? [29...Td7 30.Rc3 Tad8= ] 30.Rc3 Tdd8 [30...Td7 31.Tab1 Tbd8+/= ] 31.Tab1 Rf8 32.c5 [32.Te1+/- ] 32...Re7 [32...Tbc8 33.Tb6 ] 33.Tb6 Rd7 [33...Txb6 34.cxb6 c5 35.Rc4 cxd4 36.Rb5+/- ] 34.Tdb1 Rc7 35.f4 # [35.Txb8 Txb8 36.Txb8 Rxb8 37.Rd3 Rc8 38.Re4 Rd7 39.f4 g6+/= (39...f6 40.h5+- ) ] 35...f6?? [35...Txb6 36.Txb6 (36.cxb6+ Rb7 ) 36...h5= 37.Ta6 Rb7 38.Txa5 La torre queda encerrada.] 36.Txb8 Txb8 37.Txb8 Rxb8 38.f5+- exf5 39.gxf5 Rc7 40.Rc4 Rd7 41.d5 h5 42.dxc6+ Rxc6 43.Rd4 Rc7 44.Rd5 Rd7 45.c6+ Re7 46.Rc5 1-0

(2) Sanhueza, Cristián - Ciotta, Eric [C17] Mayor, Rosario (1.2), 11/11/2003 Defensa francesa. Variante Winawer. 1.e4 e6 2.d4 d5 3.Cc3 Ab4 4.e5 c5 5.a3 Aa5 6.b4 cxd4 7.Dg4 Rf8 [7...Ce7 ] 8.Cb5 Ac7 [8...Ab6 ] 9.f4 [>=9.Dxd4 Cc6 10.Dc5+ Cge7 11.Cxc7 Dxc7 12.Cf3+/= ] 9...Cc6 10.Cf3 Ab8?N [10...Ch6 11.Dg3 Cf5 12.Df2 Ab6 13.Ad3 a6 14.Axf5 axb5 15.Ad3 Cxb4 16.Ab2 Cxd3+ 17.cxd3 Aa5+ 18.Re2 Ac3 19.Axc3 dxc3 20.Thc1 g6 21.Txc3 Rg7 22.Tac1 Ad7 23.Dc5 Ac6 24.g3 Df8 25.Dxf8+ Song-Sherman, Nueva York 1993 1-0 (63).; 10...a6 11.Cbxd4 Cxd4 12.Cxd4 Ab6 13.Ab2 Ce7 14.Ad3 Ad7 15.0-0-0 a5 16.f5 h5 17.Df4 Axd4 18.Axd4 Cxf5 19.Axf5 exf5 20.Ac5+ Rg8 21.Txd5 De8 22.Td6 Ae6 23.Thd1 Da4 24.Rb2 axb4 25.Axb4 Vouldis-Nikolaidis, Zonal 1998 0-1 (38).; 10...a5! ] 11.Cbxd4 Cxd4 12.Cxd4 a6 13.Ad3 Aa7 14.Ae3 Ch6 15.Dh5 Axd4? [15...Dc7+/- ] 16.Axd4 Cf5 17.Ac5+ Rg8 18.0-0 g6 19.Df3 h5? [19...b6 ] 20.Axf5 [20.c4! ] 20...gxf5 21.Dg3+ [>=21.Tfd1 ] 21...Rh7 22.Dh3 Rg7 23.Tf3 h4 # 24.Td1? [24.g4! b6 25.Ad4 fxg4 26.Dxg4+ Rf8 27.Rh1 Tg8 28.Dh5 Re8 29.Tg1 Txg1+ 30.Rxg1+- ] 24...b6 25.Ad6 Th6 26.Tdd3? [26.Tc3 Ta7 27.a4+/- ] 26...Ab7 27.Tfe3 Tg6 [27...Tc8 ] 28.g3? [28.Te2+/= ] 28...Tc8 29.c3 Tc4 [29...De8=/+ ] 30.Rf2? [30.Td4= ] 30...hxg3+ 31.hxg3?? [31.Txg3 Txf4+ 32.Re1-/+ ] 31...d4 32.Tf3 [32.Txd4 Txd4 33.cxd4 Th6 34.Df1 Dc8-+ ] 32...Axf3 [32...Th6 ] 33.Rxf3 Da8+ 34.Rf2 Th6 [>=34...dxc3 ] 35.Dg2 Dxg2+ 36.Rxg2 dxc3 37.Td1 c2 38.Tc1 Th8 39.Ae7 Thc8 40.Rf2 Tc3 41.a4 Ta3 42.Re2 Txa4 43.Rd2 a5 44.g4 fxg4 0-1

(3) Partal, Rodrigo - Sanfilippo, Dante [C68] Mayor, Rosario (1.3), 11/11/2003 Apertura Ruy López. Variante del cambio. 1.e4 e5 2.Cf3 Cc6 3.Ab5 a6 4.Axc6 dxc6 5.0-0 Ce7 6.d4 [6.Cxe5 Dd4 7.Dh5 g6 8.Dg5 Ag7 9.Cd3 f5 ] 6...exd4 7.Cxd4 c5 8.Cb3 Dxd1 9.Txd1 Cc6 10.Af4 c4 11.Cd4 Ag4 # 12.f3? [12.Td2 Cxd4 13.Txd4 Td8 14.Txd8+ Rxd8 15.Cc3= ] 12...Cxd4 13.Txd4 Ac5 14.c3 Td8 15.Ae3 [15.fxg4? Txd4 16.cxd4 Axd4+ 17.Rf1 Axb2-+ ] 15...Axd4 16.cxd4 Ac8?! [16...Ae6 17.d5 Ad7 18.Cd2 b5-/+ ] 17.Cd2 b5 18.Tc1 0-0? [18...c6=/+ ] 19.b3 c5?! [19...cxb3 20.Cxb3 Td7= ] 20.d5! Ab7? [20...cxb3 21.axb3 Tfe8+/= ] 21.Axc5 Tfe8 22.bxc4 f5? [22...bxc4 23.Cxc4 f5+/- ] 23.Ab6 Td6 24.c5+- Tg6 25.c6 Ac8 26.Ac7 Te7 27.d6?! [>=27.Af4 ] 27...Txc7 28.dxc7 Rf7 29.exf5 Axf5 30.g4 Ac8 31.Ce4 h6 32.Rf2 Te6 33.Re3 Te7 34.Rd4 Re6 35.Rc5 Txc7 36.Cd6 Ad7 37.Rb6! Txc6+ [37...Rxd6 38.Td1+ Re7 39.Rxc7+- ] 38.Txc6 Axc6 39.Rxc6 g5 40.Cxb5 [40.Cxb5 axb5 41.Rxb5+- ] 1-0

(4) Selvetti, Alexis - Acevedo, Raúl [C02] Mayor, Rosario (1.4), 11/11/2003 Defensa francesa. Variante del avance. 1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Db6 5.Cf3 Cc6 6.Ad3 Ad7 7.Ac2? [7.dxc5 Axc5 8.De2+/= ] 7...Tc8? [7...cxd4 8.cxd4 Cb4=/+ ] 8.dxc5 Axc5 9.0-0 a5 [>=9...Dc7 10.Af4 Cge7 11.Ag3 Cg6 12.Te1 Cce7 13.h3 h5 14.Cbd2 h4 15.Ah2 Db6 16.De2 Ab5 17.c4 dxc4 18.a4 c3 19.Dxb5+ Dxb5 20.axb5 cxd2 21.Ted1 Axf2+ 22.Rxf2 Txc2 23.Txd2 Txd2+ 24.Cxd2 Cc8 25.Cc4 Re7 26.Td1 Td8 27.Txd8 Rxd8 28.Re3 Cce7 1/2-1/2 Streit-Boeing, Friedrichroda 1997.] 10.a3 [10.Cbd2 ] 10...Dc7 11.Af4 [11.Te1 ] 11...Cge7 12.Cbd2 f5 13.Cb3 [=13.exf6!? Dxf4 14.Cb3 Ad6 15.fxe7 Axe7 16.Te1 ] 13...Ab6 14.Te1 0-0 15.Cbd4 Cxd4 16.Cxd4 Cg6 17.Dd2 Dd8 18.Ad1 [18.Ag5!? ] 18...Axd4 19.cxd4 Db6 20.b3 Tc7 [>=20...Cxf4 21.Dxf4 Tc3 ] 21.g3? [21.Ag5 Tfc8 22.h4+/= ] 21...Tfc8? [21...Cxf4 22.Dxf4 Tfc8=/+ ] 22.Ae3 Tc3 23.a4? [23.Ta2= ] 23...Dd8 [23...f4! 24.Axf4 Cxf4 25.gxf4 (25.Dxf4 Td3=/+ ) 25...Ae8=/+ ] 24.f4 Ce7 25.Df2 [25.Db2 ] 25...Db6 26.Te2? [26.Db2= ] 26...Cc6 27.Td2 [27.Te1=/+ ] 27...Cb4 28.De2 Ae8 29.Af2 Dd8 30.Tb2 Db6 31.Td2 Dd8 32.Tb2 Cd3 33.Tc2 Dc7 34.Txc3 Dxc3 35.Ta2?? [35.Tb1-/+ ] 35...Cc1 36.Dd2 Cxa2 37.Dxa2 # 37...Dc1 [37...Ah5! 38.Axh5 Dc1+ 39.Rg2 Tc2-+ ] 38.De2 b5 [38...Tc3 ] 39.axb5 Axb5 40.Dxb5 Dxd1+ 41.Rg2 Dc2 42.Dd7 [42.Dxa5? De4+ 43.Rh3 (43.Rg1 Tc1+-+ ) 43...h6 44.De1 Dd3 45.b4 Tc2 46.Rg2 Tb2-+ ] 42...Dc6 43.De7 h6 44.Da7 [44.h4 ] 44...Ta8 [44...Dc2 ] 45.De7 a4 46.bxa4 Txa4 47.Dc5 [47.h4 ] 47...Dxc5 48.dxc5 Tc4 49.Rf1 Rf7 [49...d4 ] 50.Re2 Re7 51.Rd3 Rd7 52.Ae3 Rc6 53.h3 h5 54.Af2 h4 55.Ae1 hxg3 56.Axg3 Ta4 0-1

(5) Guiamet, Jaime - Palau, Ignacio [A39] Mayor, Rosario (1.5), 11/11/2003 Apertura inglesa. Variante simétrica. Línea principal. 1.d4 Cf6 2.c4 c5 3.Cf3 cxd4 4.Cxd4 g6 5.Cc3 Ag7 6.g3 Cc6 7.Ag2 0-0 8.0-0 Cxd4 9.Dxd4 d6 10.Dh4 Te8 [10...Ae6 ] 11.Ag5 [11.Ah6+/= ] 11...Ad7N [11...Tb8 12.Tad1 Da5 13.a3 Ae6 14.Cb5 h6 15.Ad2 Da4 16.Cc7 g5 17.Dd4 Cd5 18.Dxg7+ Rxg7 19.Cxe8+ Txe8 20.cxd5 Ad7 21.Ac3+ Rf8 22.f4 Tc8 23.Tc1 Db5 24.e4 gxf4 25.gxf4 Dd3 26.Rh1 Ah3 Shamkovich-Vasilchuk, Moscow 1961 0-1 (40).] 12.Tfd1 [12.Axb7?! Tb8 13.Af3 Txb2 ] 12...Tc8 13.Tac1 Da5 14.Ae3? [14.b3= ] 14...Cg4 15.b4!? Da3 [15...Dxb4? 16.Cd5+/- ] 16.Cd5 Cxe3 17.Cxe3 h5? [17...Aa4 18.Tf1 Ac6=/+ ] 18.Cd5? [18.Axb7 Tb8 19.Af3+/= ] 18...Rf8 19.Tc2 b5 [19...Aa4 20.Td3 Dxd3 21.exd3 Axc2=/+ ] 20.Tdd2? # [20.c5 dxc5 21.Df4=/+ ] 20...Txc4 [20...bxc4! 21.Txc4 g5 22.De4 Af5 23.Dxf5 Txc4-+ ] 21.Txc4 bxc4 22.Dxc4 Tc8 23.Dd3? [23.Cc7 Dc3 24.Tc2 Dxc4 25.Txc4 e6-/+ ] 23...Tc1+ 24.Af1 Dxd3 25.Txd3 Af5 26.Ta3 Ah3 27.Ce3 Ad4 28.Cg2 Rg7 29.Td3 Ab6? [29...e5-+ ] 30.a4 a5 31.bxa5 Axa5 32.Ce3 Ae6-/+ Las negras perdieron en el apuro de tiempo. 1-0

(6) Dlugovitzky, Pablo - Kolodziej, Carlos [E10] Mayor, Rosario (1.6), 11/11/2003 Apertura de peón dama. Variante Blumenfeld. 1.d4 e6 2.Cf3 c5 3.e3 Cf6 4.c4 g6 5.Cc3 Ag7 6.Cb5 0-0 7.Cd6 De7? [7...Ce8 8.Cxc8 Dxc8 9.Ae2+/= Kárpov-Hracek, camp. de Europa rápidas 1996 0-1 (50).] 8.Cxc8? [8.dxc5 Ca6 9.e4 Cxc5 10.Ag5+/- ] 8...Txc8 9.Ad3 d5 10.cxd5 Cxd5 11.0-0 Cc6 [>=11...cxd4 ] 12.Ab5 [>=12.dxc5 ] 12...a6 [12...cxd4=/+ ] 13.Axc6 Txc6 14.Ad2? [14.e4 Cf6 15.Ag5= ] 14...Dc7? [14...cxd4=/+ ] 15.Tc1 [>=15.e4 ] 15...c4? [15...cxd4=/+ ] 16.Ac3 [16.e4! ] 16...Td8 17.De2 b5 18.a3 [18.Dd2 ] 18...a5 19.De1 Ta8 20.g3 Af8 21.Ta1 Tca6 22.e4 Cxc3? [22...Cf6=/+ ] 23.bxc3 b4 24.axb4 axb4 25.Txa6 Txa6 26.cxb4 Ta4 27.De2 Txb4 28.Tc1 Ah6 29.Tc2 Ag7 30.De3 Db7 31.Cd2 Dc6 [31...c3 32.Dxc3 Axd4= ] 32.Dc3 Ta4 33.Tb2 [33.e5+/= ] 33...h5 34.h4 Dd6 35.Cxc4? [35.e5+/= ] 35...Dxd4? [35...Dc6 36.Tb4 Txb4 37.Dxb4 Dxe4=/+ ] 36.Tb8+? [36.Dxd4 Axd4 37.Tc2= ] 36...Rh7 Las negras ganaron en el apremio de tiempo. [36...Rh7 37.Dxd4 Axd4=/+ ] 0-1

(7) Martínez Dorr, Fernando - Mambrin, Antonio [B22] Mayor, Rosario (1.7), 11/11/2003 Defensa siciliana. Variante Alapin. 1.e4 c5 2.c3 e6 3.d4 d5 4.exd5 exd5 5.Cf3 Ad6 6.dxc5 Axc5 7.Cbd2 Ce7 8.Ae2 0-0 9.Cb3 Ad6 10.Cbd4 Cbc6 11.0-0 a6 12.Ag5 f6N [12...Dc7 13.Cxc6 bxc6 14.c4 Ae6 15.Tc1 h6 16.Axe7 Dxe7 17.Cd4 Ad7 18.cxd5 cxd5 19.Af3 Df6 20.Axd5 Tad8 21.Cf3 Ae6 22.Axe6 Axh2+ 23.Rxh2 Txd1 24.Axf7+ Txf7 25.Tcxd1 Dxb2 26.Td2 Db5 27.Tfd1 Bintakis-Linhart, Bundesliga 1995 0-1 (40).] 13.Ah4 Cg6 14.Ag3 Axg3 15.hxg3 Te8 16.Te1 Cce5 17.Db3 Rh8 [>=17...Ce7 ] 18.Tad1 Dd6 19.Td2 [>=19.Cc2 ] 19...b5 20.Cc2 Ae6 21.Cfd4 Ag8 22.Ah5 Cc4 23.Tde2 Txe2 24.Axe2 Te8 25.Td1? [25.a4!+/- ] 25...Cge5 26.Cf5 Dc5 27.Ccd4 Df8 28.Dc2 g6 29.Ch4 Dh6 30.Cb3 Df8 31.Cf3 De7 32.Cbd4 Af7 33.Af1 Dc7 34.Ce2 Dc5 35.Cf4? [35.Cfd4 ] 35...Te7? [35...Cxf3+ 36.gxf3 Ce5 37.Ag2 b4|^ ] 36.Cd3 Dc7 37.Cb4 Db7 38.Cxe5 fxe5 39.Axc4 bxc4 40.Dd2? [40.Da4+/= Te6? 41.Txd5+/- ] 40...a5 41.Cc2 Dxb2 42.Te1 # 42...Db6 [42...Dxa2 43.Dg5 Te8 44.Txe5 Db1+ 45.Rh2 Db8 46.Txe8+ Dxe8 47.Ce3 Dd7-/+ ] 43.Dg5 Dd6 44.f4 e4 45.Cd4 Tb7 46.f5 Apremio de tiempo. 1/2-1/2

(8) Sampaoli, Cristián - Aguerreberry, Claudio [D71] Mayor, Rosario (1.8), 11/11/2003 Defensa Gruenfeld. Variante del fianchetto. 1.d4 Cf6 2.c4 g6 3.Cc3 d5 4.g3 Ag7 5.Ag2 c6 6.Ag5?! [6.Db3 ] 6...dxc4 7.e4?!N [7.Cf3 Cd5 8.0-0 0-0 9.Tc1 Cd7 10.Dd2 Te8 11.Ce4 C7f6 12.Cc5 b6 13.e4 bxc5 14.exd5 Ce4 15.Df4 cxd5 16.Ah6 cxd4 17.Axg7 Rxg7 18.De5+ f6 19.Dxd4 e5 20.De3 Db6 21.Da3 Ae6 González Ramírez-Prada, Las Palmas 1995 0-1 (33).] 7...h6 8.Axf6 Axf6 9.Cge2 Ag7 10.0-0 0-0 11.Rh1?! a5 12.f4 f5?! 13.e5 Ae6 14.Dc2? [14.d5! cxd5 15.Axd5 Axd5+ 16.Dxd5+ Dxd5+ 17.Cxd5= ] 14...Ca6 15.a3 Cc7 16.Tfd1 Cd5 17.Cxd5 Axd5 18.Axd5+ [>=18.Cc3 ] 18...Dxd5+ 19.Rg1 b5 20.a4 e6?! [20...Tfd8-/+ ] 21.Cc3 Dd7 22.axb5 cxb5 23.d5 Tfd8 24.Df2 Af8 25.Db6 b4 26.dxe6 De7 [>=26...Da7 27.Dxa7 Txd1+ 28.Txd1 Txa7 ] 27.Ca4 [27.Cd5 Dc5+ 28.Dxc5 Axc5+ 29.Rf1 Rf8 30.Ta4= ] 27...Td3 28.Txd3 cxd3 29.Td1 Td8 [>=29...Tc8 30.Txd3 Tc1+ 31.Rg2 Tc2+= ] 30.b3 d2 31.Dxa5 Td3 [31...g5!? ] 32.Db5?? # [32.Db6= ] 32...Txb3?? [32...Da7+ 33.Rh1 (33.Db6 Dxb6+ 34.Cxb6 Ac5+-+ ) 33...Da8+ 34.Rg1 Df3 35.Cb2 Te3 36.Tf1 Te1 37.e7 Axe7 38.De8+ Af8 39.Dxg6+ Rh8 40.Df6+ Ag7 41.Da6 Rh7 42.Dc4 Tc1-+ ] 33.Txd2 Dxe6 34.Cc5 [34.Rg2+/= ] 34...Tb1+ [34...Axc5+? 35.Dxc5+- ] 35.Rg2 Dc8? [35...Df7 36.Cd7 Ae7 37.Cf6+ Rg7 (37...Axf6? 38.exf6 Dxf6 39.De8++- ) 38.Dc6 Ta1 39.Cd5 Ta7+/= ] 36.Cd7? [36.Db6! Dxc5 37.Dxg6+ Rh8 38.Rh3 De7 39.Dxf5+- ] 36...g5? [36...Ae7 ] 37.Dd5+ Rh8 [37...Rg7 38.Cxf8 Dxf8 39.Db7+ Rg6 40.Td6+ Rh5 41.fxg5 hxg5 42.Dh7+ Rg4 43.Dh3# ] 38.Cf6 [38.Cxf8 Dxf8 39.Dd6+- ] 38...Ag7 39.Df7? [39.Dd8+ Dxd8 40.Txd8+ Af8 41.Txf8++- ] 39...g4 40.Dd5 Df8? [40...Axf6 41.exf6 ] 41.Cd7? Las blancas ganaron en el apremio de tiempo. [41.Dd8 b3 42.Dxf8+ Axf8 43.Td7 Ag7 44.Td8+ Af8 45.Txf8+ Rg7 46.Tb8+- ] 1-0

(9) Ciotta, Eric - Evans, Pablo [B00] Mayor, Rosario (2.1), 13/11/2003 Defensa Owen. 1.e4 b6 2.d4 Ab7 3.Ad3 e6 4.Cf3 Cf6 5.De2 h6 [5...c5 6.c3 d5 7.e5 Cfd7 8.Cg5 Ae7 9.h4 cxd4 10.cxd4 Cc6 11.Ae3 Cb4 12.Ab5 Ac6! 13.Cc3 Axb5 14.Cxb5 a6 15.Cc3 h6 16.Cxe6! fxe6 17.a3 Cc6 18.Dh5+ Rf8 19.Dg6! Dc8! 20.0-0!© |^ Akopián-Minasián, Ereván 1994.; 5...d6 6.0-0 Cbd7 7.c4 e5 8.Cc3 ] 6.0-0 d6 7.c4 Cbd7N [7...Ae7 8.Cc3 c5 9.e5 dxe5 10.dxe5 Cfd7 11.Td1 Cc6 12.Ae4 a6 13.Af4 Dc7 14.Ag3 0-0-0 15.Tab1 g5 16.h3 h5 17.Cd5 exd5 18.cxd5 Ccxe5 19.Cxe5 Cxe5 20.Af5+ Rb8 21.Axe5 Ad6 22.Axh8 Txh8 23.b4 c4 24.b5 g4 25.bxa6 gxh3 26.Axh3 Axa6 27.Db2 Ra7 28.Dxh8 Ah2+ 29.Rh1 1-0 Vicente-López Merino, ONCE 1997.] 8.Cc3 e5 [8...c5 ] 9.d5 g5!? 10.Ce1 Ag7 11.Cc2 Cc5 12.Ce3 Cxd3?! 13.Dxd3 Ac8 14.Cf5 Axf5 15.exf5 Dd7 [15...e4!? ] 16.Ce4 Rf8 17.Df3 Tc8 18.Ae3 c5?! 19.b3 Cxe4 20.Dxe4 f6?! 21.f3 Df7 22.g4? h5 23.h3 hxg4 24.hxg4 Db7 25.Rg2 Rf7 26.Th1 Da6 27.Dc2 Db7 28.Db2 Da6 29.Txh8 Txh8 30.Th1 Da5 31.Txh8 Axh8 32.Ad2 Da6 33.Dc2 b5 34.Ac1 b4 35.a3 bxa3 36.Da2 Ag7 [36...Da5!? 37.Dxa3 De1 38.Dxa7+ Rg8 39.Db8+ Rh7 40.Dc7+ Ag7 41.Axg5 De2+= ] 37.Dxa3 Dxa3 38.Axa3 Af8 39.b4 cxb4 40.Axb4 Re8 41.Rf2 Rd7 42.Re3 Ae7 43.Rd3 [43.Aa5? Ad8 44.Axd8 Rxd8 45.Rd3 Rc7 46.Rc3 Rb6 47.Rb4 a5+-+ ] 43...Rc7 [43...Ad8 44.c5 dxc5 45.Axc5 a6 46.Rc4 Ac7= ] 44.Aa5+ Rb7 45.Rc3 Ra6 46.Rb4 Rb7 47.Rb5 a6+ 48.Rb4 Ra7 49.Ac7 Rb7 1/2-1/2

(10) Acevedo, Raúl - Partal, Rodrigo [C21] Mayor, Rosario (2.2), 13/11/2003 Apertura del centro. 1.e4 e5 2.d4 exd4 3.f4!? d5 Traspone al contragambito Falkbeer. [3...Ac5 4.Cf3 Cc6 5.a3 a5 6.Ad3 Cf6 7.0-0 d5~~ ] 4.Dxd4 [4.e5 Cc6 5.Cf3 Ac5 6.Ad3 Cge7 7.a3 a5 8.Cbd2 Cf5 9.De2 h5 10.0-0 Cce7 11.Tf2 Ab6 12.Cf1 Ae6 13.Cg5 Dd7 14.Cxe6 fxe6 15.Cg3 g6 16.Cxf5 Cxf5 17.Ad2 Rf7 18.g4 hxg4 19.Dxg4 De Agustín-Yusupov, Aníbal 1997 0-1 (28).] 4...dxe4 [4...Cc6 5.Dxd5 (5.Ab5 Ad7-/+ ) 5...Dxd5 6.exd5 Cb4=/+ ] 5.Dxe4+ Ae7 6.Cf3N [6.Cc3 Cf6 7.Da4+ Ad7 8.Db3 Cc6 9.Dxb7 Cb4 10.Cb5 Ac6 11.Dxc7 Cxc2+ 12.Rf2 Ce4+ 13.Rf3 Ce1+ 14.Rg4 Cf2+ 15.Rf5 g6+ 16.Re5 Af6# 0-1 Heinrichsen-Metger, Berlín 1896.] 6...Cf6 7.Dd3 0-0 8.Cc3 Ab4 [8...Cc6 ] 9.Ae2 [9.Dxd8 Txd8 10.Ad2 Te8+ ] 9...Dxd3 [9...De7 10.0-0? Td8-+ ] 10.Axd3 Te8+ 11.Rd1?! [11.Rf2! Ac5+ 12.Rg3 Ch5+ 13.Rh4 Ae7+ 14.Rxh5 g6+ 15.Axg6 hxg6+ 16.Rh6 Af8+ 17.Rg5 Ae7+= ] 11...Ca6 [11...Ag4 ] 12.Te1 Ag4 13.Ad2 Cc5 14.Txe8+ Txe8 15.Ae2 Td8 [15...Axc3 16.Axc3 Cd5-/+ ] 16.Re1 Ce6 17.Cg5? [17.g3=/+ ] 17...Cxg5? [17...Axc3 18.Axc3 Cxf4 19.Ac4 C6d5-/+ ; 17...Cd4 18.Ad3 h6 19.Cge4 Te8-/+ ] 18.fxg5 Axe2 19.gxf6 Ac4 [19...Ag4=/+ ] 20.Ce4? [20.fxg7=/+ ] 20...Axd2+ 21.Cxd2 # 21...Ad5? [21...Te8+ 22.Rd1 Ae2+ 23.Rc1 Af1-+ ] 22.g3 [22.Re2!? Axg2?? 23.Tg1 Te8+ 24.Rd3 Ah3 25.Txg7++/= ] 22...gxf6 23.Re2 [23.Td1 ] 23...Rg7 [23...f5 ] 24.c4 Ae6 25.b3 Rg6 26.Tf1 Ag4+ 27.Re3? [27.Cf3=/+ ] 27...Te8+ 28.Rf4 Te2 29.Cf3 [29.Rxg4 Txd2-/+ ] 29...Axf3 [29...f5 30.Ce5+ (30.a3?? Te4# ) 30...Rh5 31.Cxg4 fxg4-/+ ] 30.Txf3 Txa2 31.h4 Ta3 [31...a5! ] 32.g4 [32.Te3 ] 32...a5 33.h5+ Rg7 [33...Rh6 34.Rf5 a4 35.Rxf6 axb3-+ ] 34.Te3 a4 35.bxa4 Txa4 36.Te4 c6 [36...b6-+ ] 37.c5! Ta5 38.Tc4 Tb5 39.Re4 h6 [39...f5+! 40.gxf5 (40.Rxf5 b6 ) 40...Rh6-+ ] 40.Rf4 b6? [40...f5-+ ] 41.cxb6 Txb6 42.Re4 Ta6 43.Rf4 Tb6 44.Re4 Tb5? 45.Txc6= Tg5 46.Rf4 f5 47.gxf5 Txh5 48.Tc3 Th4+ 49.Re5 f6+ 50.Rd5 h5 51.Tc7+ Rh6 52.Re6 Te4+ 53.Rxf6= h4 54.Tc8 Rh5 55.Tg8 h3 56.Th8+ Rg4 57.Rg6 Te5 1/2-1/2

(11) Kolodziej, Carlos - Guiamet, Jaime [D04] Mayor, Rosario (2.3), 13/11/2003 Apertura del peón dama. Sistema Colle. 1.d4 Cf6 2.Cf3 c5 3.e3 d5 4.Ad3 Ag4 5.c4N [5.c3 Cc6 6.0-0 e6 7.Cbd2 Ad6 8.Da4 0-0 9.dxc5 Axc5 10.e4 dxe4 11.Cxe4 Axf3 12.Cxc5 Axg2 13.Rxg2 Dd5+ 14.Ae4 Dxc5 15.Ae3 Dh5 1/2-1/2 Chodera-Tartakower, Bardejov 1926.] 5...Cc6 6.cxd5 Cxd5 7.0-0 cxd4 8.exd4 e6 [8...Cxd4?? 9.Cxd4 Axd1 10.Ab5++- ] 9.Ae3 Db6 [9...Ab4!? ] 10.Cbd2 # [10.Cc3!? Dxb2? 11.Cxd5 exd5 12.Tb1 Dxa2 13.Txb7 a6 14.Te1 Ae7 15.Ag5+/- ] 10...Ae7 [10...Dxb2? 11.Tb1 Dxa2 12.Txb7 a6 13.Txf7!-> ] 11.Cc4 Dd8 12.Tc1 Af6 13.Ae4 0-0 14.Te1 Cde7? [14...Tc8= ] 15.Cce5 Axf3 16.Cxf3 Da5 17.Db3 Tfd8 18.Tc5 Db4? [18...Dc7+/= ] 19.Dxb4 Cxb4 20.Tb5 Cbc6 [20...Cxa2?? 21.Ta1+- ] 21.Txb7 Cd5 22.Tc1 Cce7 23.Ag5 [23.g4! ] 23...Tab8 24.Axd5 Cxd5 25.Txb8?! [25.Txa7 Txb2 26.Axf6 gxf6 27.a4+/- ] 25...Txb8 26.Axf6 [26.b3 ] 26...gxf6 27.b3 a5? [27...Cb4+/= ] 28.Tc4 Cb4 29.a3 Cd5 30.Cd2 Cf4 [30...Rf8 ] 31.Rf1 Tb5? 32.Tc5 Txc5 33.dxc5 Rf8 34.Cc4 Cd3 35.c6+- Apremio de tiempo. 1-0

(12) Mambrin, Antonio - Sampaoli, Cristián [D32] Mayor, Rosario (2.4), 13/11/2003 Gambito de dama. Defensa Tarrasch. 1.d4 d5 2.c4 e6 3.Cc3 c5 4.cxd5 exd5 5.Cf3 Cc6 6.e3 [6.g3 ] 6...c4?! [6...Cf6 ] 7.b3 [7.Ae2 Ab4 8.0-0 Cge7 9.e4 0-0 Botvínnik-Stahlberg, Moscú 1935 10.e5+/= ] 7...Ab4 8.Ad2 Axc3 9.Axc3 b5 [9...cxb3 10.Dxb3+/= Ellison-Wood, camp. de Inglaterra 1959.] 10.bxc4 bxc4 # 11.Axc4!N [11.Ce5 Cge7 12.Ae2 0-0 13.0-0 Af5 14.Dd2 Tb8 15.f3 Db6 16.Rh1 Cxe5 17.dxe5 Cc6 18.Tad1 Tfd8 19.h4 h6 20.g4 Ah7 21.Rg2 Dc5 22.Rg3 De7 23.f4 Ae4 24.Dc1 Tb1 25.Dd2 Tbb8 26.Tf2 Da3 27.Af1 d4 28.exd4 Txd4 29.Dc1 Dxc1 30.Txc1 Td7 31.Axc4 Cd8 32.f5 Tc8 33.e6 Tdc7 34.Aa5 Txc4 35.Txc4 1-0 Kreuzer-Lang, Bad Neustadt 1992.] 11...dxc4 12.d5 Cge7 13.dxc6 Cxc6? [13...Dxd1+ 14.Txd1 Cxc6+/= ] 14.Dxd8+ [>=14.Da4 Ad7 15.Dxc4+/- ] 14...Cxd8 15.Axg7!? [15.Tb1+/- ] 15...Tg8 16.Ae5 Txg2 17.Ag3 Ab7 18.Re2 c3 19.e4? [19.The1 Cc6 20.Rf1 Txg3 21.hxg3 Cb4 22.Cd4+/- ] 19...Axe4 20.The1 [20.Thc1 ] 20...Ce6 21.Ch4 Txg3 22.hxg3 Tb8? [22...Tc8= ] 23.Re3 Tb4 24.Tec1?? [24.Tac1 Tc4 25.f3 Ad5 26.Rd3+/- ] 24...Cc7 25.Rf4 Cd5+ 26.Rg5 f6+ 27.Rh6 Rf7 28.f3 Ag6? [28...Ad3-/+ ] 29.Cxg6 hxg6 30.Tab1 [30.Tc2 ] 30...a5 [30...Txb1 31.Txb1 c2 32.Tc1 Ce3= ] 31.a3 Td4? [31...Txb1= ] 32.Tb7+ Re6 33.Rxg6 [33.Ta7 ] 33...Td3 34.Te1+ Rd6 35.Rf7 Rc5 36.f4 Rd4 37.g4 c2 38.Tc1 Rc3 39.g5? [39.Tb5+/= ] 39...fxg5 40.fxg5 Tf3+ [40...Rd2 41.Txc2+ Rxc2 ] 41.Re8? [41.Rg7 Rd2 42.Txc2+ Rxc2 43.Tb5 Tf5 44.Txa5 Txg5+ 45.Rf7= ] 41...Rd2 42.Txc2+ Rxc2 43.g6 Cf4 44.g7 Tg3? [44...Ch5 45.g8C (45.g8D Cf6+ 46.Rf7 Cxg8+ 47.Rxg8 Txa3-+ ) 45...Txa3-/+ ] 45.Rf7 Cd3 46.g8D [46.Tb5 ] 46...Txg8 [46...Ce5+ 47.Rf8 Txg8+ 48.Rxg8 Cc4= ] 47.Rxg8= Cb2 48.Rf7 Rb1 49.Tb5 a4= Apremio de tiempo. 1/2-1/2

(13) Sánchez, Christian - Martínez Dorr, Fernando [B02] Mayor, Rosario (2.5), 13/11/2003 Defensa Alekhine. Variante escandinava. 1.e4 Cf6 2.Cc3 d5 3.exd5 Cxd5 4.Cge2 [4.Cf3 Ag4 5.h3 Axf3 6.Dxf3 e6 7.Cxd5 Dxd5 8.Dxd5 exd5 9.d4 Ad6 10.Ad2 Cd7 11.0-0-0 0-0 12.Ad3 Tfe8 13.Tde1 c6 14.c3 Cf6 15.Txe8+ Txe8 16.Te1 Txe1+ 17.Axe1 g6 18.a4 Rf8 19.Ad2 Ce4 20.Ah6+ Re7 21.f3 Cg3 1/2-1/2 Xie Jun-De la Villa, Pamplona 1999.; 4.Ac4 Cb6 5.Ab3 Cc6 6.Df3 e6 7.Cge2 Ae7 8.0-0 0-0 9.Td1 e5 10.a4 Cd4 11.Cxd4 exd4 12.Ce4 Cd7 13.d3 Ce5 14.Dg3 Cg6 15.Ag5 Af5 16.Te1 Axe4 17.Axe7 Dxe7 18.Txe4 Dd7 19.Tae1 Tfe8 20.h4 Txe4 21.Txe4 Te8 22.h5 Txe4 23.dxe4 Cf8 24.h6 Cg6 25.f4 Dd6 26.e5 De7 27.e6 fxe6 28.f5 Dh4 29.Dxh4 1-0 Zhao Zong Yuan-Speck, Suncoast 1999.] 4...Cf6 5.d4N [5.g3 g6 6.Ag2 Ag7 7.d3 0-0 8.0-0 c6 9.Af4 Cbd7 10.Dd2 Te8 11.Ah6 Ah8 12.d4 Cb6 13.b3 Af5 14.Tad1 Dd7 15.Ae3 Tad8 16.Cf4 Cg4 17.d5 Cxe3 18.fxe3 Ag4 19.Cce2 cxd5 Eigenseer-Kluge, Regensburg 1996 0-1 (39).] 5...Ag4 6.h3 Ah5 7.g4 [7.Dd3 ] 7...Ag6 8.Ag2 [8.Cf4 ] 8...c6 9.Cf4 Ca6 [9...e6 ] 10.Cxg6 hxg6 11.Af4 [11.g5 ] 11...e6 12.Dd2 Cb4 13.0-0-0 Da5 14.a3 Cbd5 [14...Cfd5 15.Cxd5 (15.axb4 Axb4 ) ] 15.Cxd5 Dxd2+ 16.Axd2 cxd5 [16...Cxd5 ] 17.Af4 [17.c4 dxc4 18.Axb7 Tb8 19.Ac6+ Re7 20.Ag5 ] 17...Tc8 18.Td3 Rd7 19.Tb3 b6 20.Af1? [20.Te1= ] 20...Ad6? [20...Cxg4 21.Aa6 Ta8 22.Tf3 Cf6 23.Tc3 Ce8 24.Ab7 Td8 25.Ac6+ Re7 26.Ab5© ] 21.Ab5+ Re7 22.Ag5 Tc7?! [22...Rf8 23.f3= ] 23.Tf3 [23.h4! ] 23...Tcc8 24.c3 [24.h4 ] 24...Th7 25.h4 Tch8 26.Ad3 Re8 27.Axf6 [27.Txf6 gxf6 28.Axf6 Tg8 ] 27...gxf6 28.h5? [28.Tfh3+/= ] 28...f5 29.gxf5 [29.Te1 ] 29...gxf5? [29...Txh5 30.Txh5 gxh5 31.fxe6 fxe6= ] 30.Tfh3 Tg8 31.Rd1 Tg5 32.Re2 Rf8 33.Rf3 Rg7 34.Ae2 Rh6 35.Re3 Thg7 36.Af3? Tg1 37.Rd3 [37.a4 ] 37...Tg8 [37...b5 ] 38.a4 [38.c4 ] 38...a5? 39.b3 Af4 40.Th4 [40.c4 ] 40...Ad6 41.c4 dxc4+ 42.bxc4 f6 43.Re2? [43.Ac6 ] 43...T8g5 [43...e5 ] 44.T4h3 e5 45.Txg1 Txg1 46.Th1 Tg5 [46...Txh1 47.Axh1 Rxh5 48.d5-/+ ] 47.Ad5 [47.Re3 ; 47.Tb1 ] 47...exd4 [47...Txh5 48.Txh5+ Rxh5 49.Af7+ Rg5 50.d5=/+ ] 48.Af7 [48.Af3 ] 48...Ac5 49.Th3 Tg1 50.Tf3 Rg7 51.Ag6 Tc1 52.Axf5 Txc4 53.Ad7 Ad6? 54.h6+ Rh7? 55.Txf6 Ac5 56.Af5+ Rh8 57.Ag6? [57.Tc6+- ] 57...Txa4? [57...d3+ ] 58.Te6 d3+ 59.Rxd3? [59.Rf3+- ] 59...Td4+ 60.Rc2 Td8 61.f4 a4 62.f5 b5 63.Te8+? Txe8 64.Axe8 Rh7 65.Axb5 Rxh6= 66.Axa4 Rg5 67.Ad7 Rf6 68.Rd3 Ae7 69.Re4 1/2-1/2

(14) Sanfilippo, Dante - Sanhueza, Cristián [B78] Mayor, Rosario (2.6), 13/11/2003 Defensa siciliana. Variante dragón: ataque yugoslavo. 1.e4 c5 2.Cf3 d6 3.d4 cxd4 4.Cxd4 Cf6 5.Cc3 g6 6.Ae3 Ag7 7.f3 0-0 8.Dd2 Cc6 9.Ac4 Ad7 10.0-0-0 Tc8 11.Ab3 Ce5 12.h4 h5 13.Ag5 Tc5 14.g4 hxg4 15.f4 Cc4 16.De2 Dc8 17.h5 Cxh5 18.Axc4N [18.Cf5 Axf5 19.exf5 Cxb2 20.Cd5 (20.fxg6! Txc3 21.gxf7+ Txf7 22.Axf7+ Rxf7 23.Dxe7+ Rg8 24.Txd6!+- ) 20...Txd5 21.Txd5 Dc3 22.fxg6 Ca4 23.Txh5 Da1+ 1/2-1/2 Pavlovic-Marín, Úbeda 1996.] 18...Txc4 19.Cd5 Te8 20.Cf5! Axf5 21.exf5~~ Cg3 [21...e6~~ ] 22.Dh2 # 22...Cxf5!? [22...Cxh1 23.Txh1 Txc2+ 24.Dxc2 Dxc2+ 25.Rxc2 f6 26.Ah4 gxf5 27.Af2~~ Pavlovic.] 23.Dh7+ Rf8 24.Td2 Dc5 25.Tdh2 Txc2+ 26.Txc2 Dxd5 27.Tch2 Dd4? [27...Tc8+ 28.Rb1 De4+ 29.Ra1 Re8-+ ] 28.Dh8+ Axh8 29.Txh8+ Dxh8 30.Txh8+ Rg7 31.Txe8 g3 [31...f6 32.Rd2 fxg5 33.fxg5 g3-/+ ] 32.Axe7 g2 33.Af8+ Rf6 34.Te1 Cg3 [34...Cd4 35.Axd6 Cf3 36.Td1 g1D 37.Txg1 Cxg1 En esta variante las negras tienen un tiempo de ventaja.] 35.Axd6 g1D 36.Txg1 Ce2+ 37.Rd2 Cxg1 Ver nota anterior. 38.Ac5 Ch3 39.Re3 Rf5 40.Axa7 [40.Ad6 Rg4 41.b4 f5 42.a4 g5 43.fxg5 f4+ 44.Re2 Cxg5-+ ] 40...Cxf4 41.a4 Cd5+ 42.Rd4 Re6 43.Rc5 f5 44.a5 f4 45.Ab8 g5 46.b4? [46.Rd4 ] 46...g4 47.b5 g3 48.a6 bxa6 49.bxa6 g2 50.a7 g1D+ 0-1

(15) Palau, Ignacio - Selvetti, Alexis [C66] Mayor, Rosario (2.7), 13/11/2003 Apertura Ruy López. Defensa Steinitz. 1.e4 e5 2.Cf3 Cc6 3.Cc3 Cf6 4.Ab5 d6 5.d4 Ad7 6.0-0 exd4 7.Cxd4 Ae7 8.Axc6 bxc6 9.f4 [9.Te1+/= ] 9...0-0 10.e5N [10.Cf3 Ce8 11.Ae3 g6 12.Ce2 Cg7 13.c4 Dc8 14.Ad4 f6 15.b3 c5 16.Ab2 Ac6 17.Cc3 Dg4 18.Cd5 Ad8 19.Dd2 a5 20.Tae1 a4 21.h3 Dd7 22.Ch2 axb3 23.axb3 Tb8 24.Tf3 Axd5 25.Dxd5+ De6 Mason-Blackburne, Nueva York 1889 1/2-1/2 (56).] 10...Cd5 11.Ce4 Te8 # 12.Cg3? [12.Dh5= ] 12...dxe5 13.fxe5 Ac5 14.c4? [14.Te1 f6 15.Ce4 Ag4 16.Dd2=/+ ] 14...Dh4 15.cxd5? [15.Cge2 Ag4 16.Rh1 Axe2 17.Cxe2 Dxc4-/+ ] 15...Dxd4+ [>=15...Axd4+ 16.Rh1 Axe5 17.Rg1 Dd4+ 18.Rh1 cxd5-+ ] 16.Rh1 Dxd1 17.Txd1 Ag4 18.Tf1 cxd5 19.Af4 Ad4 20.h3 Ae6 21.Tab1 Ab6 22.Tbc1 c5 23.b3 Tac8 24.Tfd1 Ted8 25.Ce2 c4 26.Ag5 Td7 27.Cd4 Axd4 28.Txd4 c3 29.Rg1 Af5 30.Rf2 Ae4 31.g3 c2 [>=31...f6 32.exf6 gxf6 33.Axf6?? Tf7 ] 32.Ad2 Te7 33.Af4 Tc3 34.h4 h6 35.Re2 g5 36.hxg5 hxg5 37.Axg5 Txe5 38.Af4 Th5 39.Rd2 Tf3 40.Txe4 Desesperación. 40...dxe4 41.Rxc2 Tc5+ 42.Rb1 Txc1+ 43.Rxc1 Td3 44.Rc2 f5 45.b4 Rf7 46.a4 Re6 47.b5 Ta3 48.Ac7 Txa4 49.b6-+ Apremio de tiempo. 0-1

(16) Aguerreberry, Claudio - Dlugovitzky, Pablo [B72] Mayor, Rosario (2.8), 13/11/2003 Defensa siciliana. Variante dragón. 1.e4 c5 2.Cf3 Cc6 3.d4 cxd4 4.Cxd4 g6 5.Cc3 Ag7 6.Ae3 Cf6 7.Ac4 0-0 8.Ab3 d6 9.f3 Cxd4 10.Axd4 Ae6 11.Dd2 Da5 12.g4!?N [12.0-0-0 Axb3 13.cxb3 Tfc8 14.Rb1 Tc6 15.g4 Tac8 16.h4+/= Winants-Sosonko, camp. de Holanda 1992.] 12...Axb3 13.cxb3 Tfc8 [13...Cd7 ] 14.h4 h5 [14...Cd7= ] 15.Axf6 Axf6 16.Cd5 Dxd2+ 17.Rxd2 Rg7 18.gxh5 Axb2 19.Tag1 e6 20.Cf4 Ac3+ 21.Rd3 Ae5 22.Ce2 Rf6? [22...Rh6+/= ] 23.hxg6 fxg6 24.f4 Ab2 25.Tg5 [25.Tb1 Aa3 26.b4 a5 27.bxa5 Txa5 28.Txb7+/- ] 25...Tc5?? [25...Th8+/= ] 26.Tb1 Aa3 27.b4 Tc6 28.e5+? [28.Ta5+- ] 28...Rf7 # 29.Tbg1?? [29.Tb3 Ta6 (29...Ac1 30.b5 Tc7 31.Tg1 dxe5 32.Txc1 Txc1 33.Cxc1 exf4 34.Re4+- ) 30.Tc3 Td8 31.Tc7+ Rf8 32.Txg6+- ] 29...dxe5 30.Txg6 Td8+ 31.Re3 exf4+ 32.Rxf4 e5+ 33.Rf5 Txg6 34.Txg6 Axb4 35.h5 Td6? [35...Th8=/+ ] 36.Tg4? [36.Cg3+/= ] 36...a5 [36...Ac5= ] 37.Cg3 Td4?! 38.Ce4 Td1 39.h6 Tf1+ 40.Rxe5 Th1 41.Tg7+ Apremio de tiempo. 1-0

(17) Evans, Pablo - Kolodziej, Carlos [B09] Mayor, Rosario (3.1), 15/11/2003 Defensa Pirc. Ataque austríaco. 1.e4 d6 2.d4 Cf6 3.Cc3 g6 4.f4 Ag7 5.Cf3 0-0 6.h3?! [6.Ad3 ] 6...c5 7.Ae3?! [7.dxc5 ] 7...Da5 [7...Ch5!? ] 8.Dd2 Cc6 [8...cxd4 9.Cxd4 Cc6 ] 9.Ae2?N [9.0-0-0= ; 9.Td1 Db4 10.d5 Ca5 11.e5 Ce4 12.Cxe4 Dxe4 13.b3 b6 14.c4 Df5 15.Ad3 Dd7 16.Df2 Dc7 17.0-0 Cb7 18.Tde1 e6 19.Ad2 Ad7 20.Ac3 f6 21.dxe6 Axe6 22.exf6 Axf6 23.Axf6 Txf6 24.Cg5 Te8 25.Ae4 Rg7 26.Db2 Cd8 27.Cxh7 1-0 Papp-Blazsik, Szeged 1993.] 9...cxd4 10.Cxd4 Cxd4 11.Dxd4 [11.Axd4 Cxe4 12.Cxe4 Dxd2+ 13.Cxd2 Axd4-/+ ganando un peón.] 11...Cg4 [11...Ch5 12.Dd3 Cg3 13.Tg1 Db4-/+ ] 12.Dd3 Cxe3 13.Dxe3 Ad7 [13...Ae6 14.0-0 Tac8-/+ ] 14.0-0 e6? [14...Axc3 15.bxc3 Tac8-/+ ] 15.Tfd1 Db4 [15...Tfd8 16.a3= (16.Txd6? Af8-/+ ) ] 16.e5! [16.Tab1 Ac6 ] 16...d5 17.Tab1? [17.a3 De7= (17...Dxb2?? 18.Tdb1 Dxc2 19.Ad1 Df5 20.g4+- ) ] 17...f6! 18.a3 De7 19.Tf1 [>=19.exf6 Dxf6 20.Ag4=/+ ] 19...fxe5 20.fxe5 Dh4 21.Tbd1 Ah6 [>=21...Txf1+ 22.Txf1 d4-/+ ] 22.Dd3 [=22.Dc5 Txf1+ 23.Txf1 Af8 24.De3=/+ ] 22...Ac6? [22...Txf1+ 23.Txf1 Dg5 24.Ag4 Dxe5 25.Cxd5 Tf8 26.Td1 exd5 27.Axd7 Ae3+ 28.Rh1 Rg7=/+ ] 23.Ag4 Tae8 24.Ce2? [24.Txf8+ Axf8 (24...Rxf8 25.Cb5+/= ) 25.Ce2= ] 24...Dg5 [24...Txf1+ 25.Txf1 Dg5=/+ ] 25.Txf8+ [25.Tfe1= ] 25...Axf8 [25...Rxf8=/+ ] 26.Dg3 Ac5+ 27.Rh1 De3 28.Dxe3 Axe3 29.Td3 Ag5 30.Cd4 Ad7 31.Tc3?! [31.g3= ] 31...h5? Comienza el apuro de tiempo para ambos jugadores. [31...Af4 32.Tc7 Axe5 33.Txd7 Axd4 34.Txb7 h5=/+ ] 32.Tc7? [32.Axh5 gxh5 33.Tg3+/- ] 32...hxg4 33.Txd7 g3 [33...Af4 ] 34.Txb7 Tf8 35.Cf3 Af4 36.Rg1 [36.Txa7+- ] 36...Tc8 37.c3 d4 38.Cxd4 Axe5 39.Rf1 Tf8+ 40.Cf3 Ab8 41.Re2 e5 42.Te7 Ad6 43.Te6 Td8 44.Cxe5 Ac5 45.Cd3 Ab6 46.Txg6+ Rf7 47.Txg3 Apremio de tiempo. Las blancas perdieron los peones h, g y c, para llegar a un final de tablas. 1/2-1/2

(18) Partal, Rodrigo - Ciotta, Eric [C10] Mayor, Rosario (3.2), 15/11/2003 Defensa francesa. Variante Rubinstein. 1.e4 e6 2.d4 d5 3.Cd2 dxe4 4.Cxe4 Cd7 5.Cf3 Cgf6 6.Ad3 Cxe4 7.Axe4 Cf6 8.Ad3 b6 9.0-0 Ab7 10.c3 Ae7 11.Te1 0-0 12.Ag5 Axf3? 13.Dxf3 Dd5 14.Dxd5? [14.De3+/- ] 14...Cxd5 15.Axe7 Cxe7 16.Tad1 Tfd8 17.Rf1 Rf8 18.Ae4 Tac8 19.Td2 Td6 20.Ted1 1/2-1/2

(19) Sampaoli, Cristián - Acevedo, Raúl [A61] Mayor, Rosario (3.3), 15/11/2003 Defensa Benoni moderna. 1.d4 Cf6 2.c4 e6 3.Cf3 c5 4.d5 exd5 5.cxd5 d6 6.Cc3 g6 7.h3 Ag7 8.e4 a6 [8...0-0 ] 9.a4 De7 [9...0-0 ] 10.Ad3 Cbd7 11.0-0 h6N [11...0-0 12.Te1 Browne-De Firmian, Reno 1993.] 12.Ce1? [12.Te1 ] 12...Ch5 [12...Ce5= ] 13.Cc2 [13.Ae3 ] 13...Ce5 [13...Dh4 ] 14.f4? [14.Ae2+/= ] 14...Cxd3 15.Dxd3 f5? [15...g5!? ; 15...0-0=/+ ] 16.Te1 0-0 17.e5 Ad7 18.Ad2? [18.e6= ] 18...dxe5 19.fxe5 Axe5 20.Axh6 Tfe8 21.g4? [21.Df3=/+ ] 21...Cg3? [21...c4! 22.Dxc4 Dh4 23.Dd3 fxg4 24.Dxg6+ Rh8-+ ] 22.Af4 [22.Rg2 Ce4 23.Cxe4 fxe4 24.Txe4= ] 22...Ce4 23.d6 De6 24.Cxe4 fxe4 25.Dg3? [25.Txe4 Ad4+ 26.Txd4 cxd4 27.Dxd4= ] 25...Ad4+?! [25...Axb2 26.Tab1 Ag7 27.a5 Ab5-/+ ] 26.Cxd4 cxd4 27.Tad1 Dd5?! [27...Dc4=/+ ] 28.Ae3? [28.De3! d3 29.Tc1= ] 28...d3 29.Dh4? [29.Tf1-/+ ] 29...Dxd6 [29...Axa4 30.Td2 Dxd6-+ ] 30.Ad2 Tac8 [30...Te7-+ ] 31.Tc1?? [31.b3-/+ ] 31...Txc1 32.Txc1 Dd4+ 33.Rh1 e3 34.Ac3 Ac6+ [34...d2!-+ ] 35.Rh2 Df4+ 36.Rg1 # 36...Df2+? [36...d2 37.Dh8+ Rf7 38.Dg7+ Re6 39.Dxg6+ Rd7-+ ] 37.Dxf2 exf2+ 38.Rf1 [38.Rxf2 Te2+ 39.Rf1 Axa4 40.Ta1 b5-+ ] 38...Te2? [>=38...Axa4 ] 39.Td1 Axa4? [39...Te3-/+ ] 40.Txd3= Tc2 41.Td2 Tc1+ [41...Txd2 42.Axd2= ] 42.Rxf2 Rf7 43.Td6 Ae8 44.Rg3 Tf1 45.Td8 [45.Rh4!+/= ] 45...Ac6 46.Td2 Ae4 1/2-1/2

(20) Sanhueza, Cristián - Mambrin, Antonio [C02] Mayor, Rosario (3.4), 15/11/2003 Defensa francesa. Variante del avance. Gambito Milner-Barry. 1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Cc6 5.Cf3 Db6 6.Ad3 Ad7 7.0-0 [7.dxc5 Axc5 8.0-0 a5 ] 7...cxd4 8.cxd4 Cxd4 9.Cxd4 Dxd4 10.Cc3 a6 11.De2 Db6 [11...Ce7 ] 12.Td1N [12.Rh1 Ac5 13.Ad2 Ad4 14.a4 Ce7 15.f4 g6 16.Cd1 Cf5 17.a5 Da7 18.g4 Ce7 19.Tc1 Cc6 20.b4 0-0-0 21.b5 axb5 22.Axb5 h5 23.g5 Rb8 24.Ae1 Tc8 25.Tb1 Thd8 26.Tf3 Ac5 27.Db2 Cd4 28.Axd7 Txd7 29.Td3 Da6 30.Dd2 Aa7 31.Cc3 Tc4 32.Af2 Cc6 33.Cb5 Axf2 34.Dxf2 Cb4 35.Tdb3 Dxb5 36.Dd2 Tdc7 37.Txb4 Txb4 0-1 Wockenfuss-Huebner, Bad Lauterberg 1977.] 12...h5?! [12...Ac5=/+ ] 13.Ac2 Dc7 [13...Ce7 ] 14.Af4 Ab4?! [14...Ce7 ] 15.Tac1 Axc3 16.Ab3 Ce7 17.Txc3 Ac6 18.Th3 g6?! [18...Ab5~~ ] 19.Ag5 0-0-0? [19...Ab5+/= ] 20.Tf3 [20.Tc1! Td7 21.Aa4+- ] 20...Tdf8 21.Dd2 [>=21.Af6 Thg8 22.Tc1 Rb8 23.Aa4 ] 21...Cf5 22.Af6 Thg8 23.Ac2 [>=23.Tc1 ] 23...Rb8 24.Db4?? [24.Ta3+/- ] 24...Ra7?? [24...d4! 25.Ta3 Axg2 26.Ad3 (26.Rxg2 Dxc2-+ ) 26...Af3=/+ ] 25.Tb3 Tc8 [25...d4!? ] 26.Ad3 Tge8 [>=26...Dd7 ] 27.Tc1 Tg8 # 28.Axa6?? [28.Tc5 d4 29.Da3 Tce8 30.Ta5 Dc8 31.Dc5+ Ra8 32.Db6 Rb8 33.Txa6+- ] 28...bxa6 29.Dc5+ Ra8 30.Tb6 Dxb6?? [30...Db7 31.Txb7? (31.Txc6 Txc6 32.Dxc6 Dxc6 33.Txc6 Rb7= ) 31...Axb7 32.Rf1 (32.Db6 Txc1# ) 32...Txc5 33.Txc5-+ ] 31.Dxb6 Ab7 32.Txc8+ Txc8 33.Ag5+/- 1/2-1/2

(21) Selvetti, Alexis - Aguerreberry, Claudio [B07] Mayor, Rosario (3.5), 15/11/2003 Defensa Pirc. 1.e4 g6 2.d4 Ag7 3.Cc3 d6 4.Ae3 Cf6 5.f3 e5? 6.dxe5 dxe5 7.Dxd8+ Rxd8 8.0-0-0+ Cbd7 9.Ac4 c6 10.Axf7+- Tf8 11.Ab3 Rc7 12.Ch3 h6 13.Cf2 Ch5 14.Cd3 b6 15.Thf1 [>=15.Td2 ] 15...Aa6 16.Tf2 Tae8? 17.Cb4 Ab7 18.Tfd2 Cb8 19.a3 [19.a4!? ] 19...Cf4 20.Axf4? [20.Cd3 ] 20...exf4+/- 21.Ce2 a5 22.Cd3 g5 23.h4 [>=23.c3 ] 23...Ac8 24.hxg5? [24.c3+/- ] 24...hxg5 25.Th1 Th8 26.Tdd1? [26.Txh8 Axh8 27.g3+/= ] 26...Cd7 27.Rb1 Ce5 28.Cxe5 Axe5 29.c3 Txh1 30.Txh1 Th8 31.Txh8 Axh8 32.Rc2 Aa6 33.Rd2 Rd6 34.Ac2 c5 35.b3? Axe2 36.Rxe2 1/2-1/2

(22) Guiamet, Jaime - Martínez Dorr, Fernando [D79] Mayor, Rosario (3.6), 15/11/2003 Defensa Gruenfeld. Variante simétrica del fianchetto. 1.Cf3 d5 2.c4 c6 3.d4 Cf6 4.Cc3 g6 5.g3 Ag7 6.cxd5 cxd5 7.Ag2 0-0 8.Ce5 e6 9.0-0 Cfd7 10.f4 f6 11.Cd3 Cc6 12.Ae3 f5 13.Ce5 Cdxe5 14.fxe5 [14.dxe5 es lo más frecuente.] 14...Ad7N [14...Ca5 15.b3 Ad7 16.Ad2 Rh8 17.e3 Tc8 18.De2 b6 19.Tac1 De8 20.Tc2 Ab5 21.Cxb5 Txc2 22.Cd6 Dc6 23.Dd3 Txa2 24.Tc1 Txd2 25.Dxd2 Cxb3 26.Txc6 Cxd2 27.Tc7 a5 28.Cf7+ Rg8 29.Cg5 Te8 30.Cxe6 Ah6 31.Axd5 Axe3+ 32.Rg2 Rh8 33.Tb7 Tc8 34.Txb6 g5 35.Tb7 Te8 36.Cc7 Tc8 37.e6 1-0 Vaklinov-Alexandrov, camp. de Bulgaria 1998.] 15.Dd2 Ca5 16.b3 Tc8 17.Tac1 Db6 18.Tfd1 Tc7 19.Axd5!? # [19.Ah6 Axh6 20.Dxh6+/= ] 19...exd5 [19...Txc3 20.Axe6+ Dxe6 21.Dxc3 Dd5~~ ] 20.Cxd5 Txc1 21.Txc1? [21.Cxb6 Txd1+ 22.Dxd1 axb6 23.d5 Axe5 24.Axb6 Ta8 25.Dc1+- Se gana el caballo.] 21...Db5? [21...Da6 22.Cc7 Db6 23.d5 Ah6 24.Rf2+/- Los peones unidos valen más que el alfil.] 22.Tc5 Cxb3 23.Txb5 Cxd2 24.Txb7 Ac8 25.Tc7 Ae6 26.Ce7+ Rh8 27.Axd2 Axa2 28.Txa7+- Ac4 29.Rf2 Tb8 30.Ac3 [>=30.Ag5 ] 30...Af8 31.Cc6 Tb3 32.Aa1 [32.Ab4! Axb4 33.Ta4 Tb2 34.Txb4 Txe2+ 35.Rf3 Tc2 36.Ce7 ] 32...Ah6 [>=32...Ad5 ] 33.Ta8+?! [33.e6 ] 33...Rg7 34.Tb8? [34.Ta5+/- ] 34...Ae3+ 35.Rf1 Ta3 36.Ab2 Ta2 37.Ce7 Axe2+!? [37...Rf7+/= ] 38.Re1 [38.Rxe2? Axd4= ] 38...Af3 39.Tb3 Txb2 40.Txe3 [40.Txb2? Axd4= ] 40...Ae4 41.d5? [41.Cc8 Tb4 42.Cd6 Txd4 43.Ta3+/= ] 41...Rf7 42.d6 Tb5 43.Te2? [43.Rf2= ] 43...Txe5? [43...Re6=/+ ] 44.Td2? [44.Cc6 Td5 45.d7 Txd7 46.Ce5+ Re6 47.Cxd7 Rxd7+/- Las blancas tienen chances de ganar este final.] 44...Re6 45.Cg8 Ad5+ 46.Rf2 Rxd6 47.Cf6 h6 [47...h5 ] 48.Cg8 [48.g4 ] 48...h5 [48...Re6 49.Cxh6 Rf6 50.g4 f4 (50...Rg5 51.Cxf5 gxf5 52.gxf5 Txf5+= ) 51.h4= ] 49.Cf6 Re6 50.Cxd5 Txd5= 51.Ta2 Td4 [51...g5!? ] 52.Ta6+ Rf7 53.h4 Te4 54.Tb6 Te6 55.Txe6 Rxe6= [55...Rxe6 56.Rf3 Rf6 57.Rf4 g5+ 58.hxg5+ Rg6 59.Rf3 Rxg5 60.Rf2 Rg4 61.Rg2 h4 62.gxh4 Rxh4 63.Rf3= ] 1/2-1/2

(23) Dlugovitzky, Pablo - Sánchez, Christian [D40] Mayor, Rosario (3.7), 15/11/2003 Gambito de dama. Defensa semi-Tarrasch. 1.d4 Cf6 2.c4 c5 3.e3 e6 4.Cf3 d5 5.Cc3 Cc6 6.a3 b6?! [6...a6 ] 7.Ce5 [7.cxd5 Cxd5 8.Ab5 Ab7 9.Ce5 Tc8 10.Da4+/- Minev-Morken, olimp. de Moscú 1956.] 7...Cxe5 8.dxe5 Cd7N [8...Ce4 9.Cxe4 dxe4 10.Dxd8+ Rxd8= ] 9.cxd5 [9.f4 dxc4 10.Axc4 Ab7 11.0-0 a6+/= ] 9...Cxe5 10.Ab5+ [10.Dh5 Cg6 11.Ab5+ Ad7 12.dxe6 fxe6 13.Ad3 Df6+/= ] 10...Ad7 11.dxe6 fxe6 12.Dh5+ [12.Db3 Rf7 ] 12...Cf7 13.0-0?! [13.Dg4 Axb5 (13...De7 14.Axd7+ Dxd7 15.0-0+/= ) 14.Dxe6+ Ae7 15.Cxb5 0-0 16.0-0 Af6© ] 13...Axb5 14.Cxb5 Dd7= 15.a4 [15.Cc3 ] 15...Td8 16.e4 g6 [=16...Ae7 ] 17.Dh3? [>=17.De2= ] 17...Ag7 18.Af4 0-0 19.Cc3 [19.Cc7?? e5 20.Dxd7 Txd7 21.Ce6 exf4 22.Cxf8 Rxf8-+ ; 19.Db3!? ; >=19.Ac7 Tc8 20.Tad1 De7 21.Ad6 Cxd6 22.Txd6 Tce8 23.Td2=/+ ] 19...Dc6 20.f3 [>=20.De3 ] 20...Td3 [>=20...c4 ] 21.Tfc1? [21.Tfd1 Tfd8-/+ ; 21.Tac1=/+ Axc3 22.Txc3 Txc3 23.bxc3 Dxa4 24.Dxe6 ] 21...Tfd8 22.Dg3 Dd7 23.h4 [23.Cd1-/+ ] 23...Rh8!? [23...Axc3 24.bxc3 Txc3 25.Txc3 Dd4+ 26.Rh2 Dxc3 27.Tc1 Dd4 gana un peón, pero se desprende del alfil.; Era posible la defensa de g6: 23...c4 24.h5 Dd4+ 25.Rh1 Dc5 26.hxg6 Dh5+ 27.Dh2 Dxg6-/+ ] 24.h5?? # [24.Rh2=/+ ] 24...g5 El alfil está copado. 25.Axg5 [25.Ac7 Tc8 26.Ab8 Db7-+ ] 25...Ad4+ [25...Cxg5 26.Dxg5 Tg8 para abrir y ocupar la columna g; por ejemplo: 27.Df4 Td2 28.Rh1 Txb2-+ ] 26.Rh1 Tg8 pero es más sencillo ganar pieza (el peón f está clavado). 27.Td1 Txd1+ [>=27...Txg5 28.Dh4 Axc3 29.Txd3 Dxd3 30.bxc3 Dxc3 31.Td1 h6-+ ] 28.Txd1 Txg5 29.Dh4 Tg8?! [29...Dc6 30.f4 Tg7 ] 30.f4? [>=30.Df6+ Axf6 31.Txd7 Ce5 32.Txa7 ] 30...Dd8 31.Dh3 Df6 32.g4? [32.Ce2 ] 32...Dxf4! 33.Tf1 Cg5 0-1

(24) Palau, Ignacio - Sanfilippo, Dante [C55] Mayor, Rosario (3.8), 15/11/2003 Defensa de los dos caballos. 1.e4 e5 2.Cf3 Cc6 3.d4 exd4 4.Ac4 Cf6 5.Cg5 Ce5 [5...d5 6.exd5 De7+ 7.Rf1 Ce5 8.Dxd4 Cxc4 9.Dxc4 Dc5© ] 6.Ab3 h6 7.f4 hxg5 8.fxe5 Cxe4 9.Ad5 [9.Dxd4 Cc5 10.Cc3+/= ] 9...Ab4+ [9...f5 10.Axe4 fxe4 11.Dxd4 d5 12.exd6 Dxd6 13.Dxe4+ De6 14.Dxe6+ Axe6= ; 9...Cc5 ] 10.c3 dxc3 11.bxc3 Cxc3 12.Axf7+ Rxf7 [12...Rf8 ] 13.0-0+ Re8 14.Cxc3 Axc3? [14...De7 ] 15.Dd3 Th6 [15...Ad4+ 16.Rh1 Th6 ] 16.Df3 [16.Dxc3+/- ; 16.Dd5 Te6 17.Df3 De7 18.Axg5 Ad4+ 19.Rh1 Tf6 20.exf6 gxf6 21.Tae1 Ae5 22.Axf6 Axf6 23.Dxf6 1-0 Berg-Johansson, Orebro 1993.] 16...Ad4+ 17.Rh1 # 17...De7?? [17...Txh2+ 18.Rxh2 Axe5+ 19.Rg1 Df6 20.Dh5+ g6 21.Dh7 Ad4+ 22.Ae3 Axe3+ 23.Rh1 Af4 24.Dg8+ Re7 25.Tae1+ Rd6 26.Td1+ Re7 27.Tde1+= ] 18.Axg5 Tf6 [18...Txh2+ 19.Rxh2 Dxe5+ 20.Rh1 1-0 Zeziulkin-Kurbedinov, Unión Soviética 1988.] 19.exf6 1-0

(25) Kolodziej, Carlos - Partal, Rodrigo [A46] Mayor, Rosario (4.1), 18/11/2003 Apertura de peón de dama. Defensa Pillsbury. 1.d4 d6 2.Cf3 Cf6 3.g3 Cbd7 4.Ag2 c6 [4...e5 ] 5.0-0 e5 6.dxe5 [6.c4 ] 6...Cxe5 7.Cxe5 dxe5 8.Dxd8+ Rxd8 9.Cd2 Ae6N [9...Ag4 10.Te1 Ac5 11.Cc4 Cd7 12.Ad2 Ae6 13.Ca5 Rc7 14.b4 Ad4 15.Tac1 a6 16.e3 Ab6 17.Cb3 Ac4 18.Af1 Axf1 19.Rxf1 h5 20.c4 Tad8 21.c5 Aa7 22.Ac3 Ab8 23.a4 Rc8 24.Re2 Gruen-Braun, copa por eq. de Alemania 1992 1-0 (59).] 10.b3 [>=10.Cf3 Ad6 11.Cg5= ] 10...Cd7 [10...Ad6 11.Ab2 Te8 ] 11.Ab2 f6 12.a4 a5 13.Tfd1 [13.h4!? ] 13...Rc7 14.Af1 Ae7 15.Aa3? [15.e4=/+ ] 15...Axa3 16.Txa3 Cc5 17.Taa1 Thd8 18.f3 [18.Ag2 Af5 19.Cf1 Txd1 20.Txd1 Axc2 21.Tc1 Axb3 22.Txc5 Axa4-/+ ] 18...b5 [18...Td7 19.Rf2 Tad8 20.Re1 Ca6 21.Tac1 Cb4-/+ ] 19.axb5 cxb5 20.e3 Rc6 21.c4? [21.h3-/+ ] 21...b4 22.Rf2?? # 22...Txd2+ 23.Txd2 Cxb3 [23...Cxb3 24.Tdd1 Cxa1 25.Txa1-+ ] 0-1

(26) Acevedo, Raúl - Evans, Pablo [B95] Mayor, Rosario (4.2), 18/11/2003 Defensa siciliana. Variante Najdorf. 1.e4 c5 2.Cf3 d6 3.d4 cxd4 4.Cxd4 Cf6 5.Cc3 a6 6.Ag5 e6 7.Df3 Ae7 8.0-0-0 Dc7 1/2-1/2

(27) Ciotta, Eric - Sampaoli, Cristián [B01] Mayor, Rosario (4.3), 18/11/2003 Defensa escandinava. 1.e4 d5 2.e5 d4?! [2...Af5 ; 2...c5 ] 3.c3? [3.Ac4!? ] 3...dxc3?!N [3...Cc6=/+ ; 3...f6 4.Df3 Rf7 5.Dxb7 Dd5 6.Rd1 Dxg2 7.Rc2 Dxf1 8.Dxc8 Dxg1 9.Dxb8 Txb8 10.Txg1 Tb3 11.Tg6 Ta3 12.Th6 gxh6 13.bxa3 Rg7 14.Rb2 d3 15.e6 a5 16.h4 a4 17.h5 c5 18.f4 c4 19.f5 1/2-1/2 Sprotte-Albrecht, Berlín 1987.] 4.dxc3? [4.bxc3+/= ] 4...Ad7? [4...Dxd1+ 5.Rxd1 Cc6 ] 5.Cf3 e6 6.Ae3 Cc6 7.Cbd2 Cge7 8.Ce4? [8.Ac5+/= ] 8...Cg6 9.Ad4 [9.Cc5!? Axc5 10.Axc5 Ccxe5 11.Cxe5 Cxe5 12.Ad4© ] 9...a6 [9...Cxd4 ] 10.g3? [10.a3= ] 10...Cxd4 11.Dxd4 Ac6 12.0-0-0? # [12.Ad3 Dxd4 13.cxd4=/+ ] 12...Dxd4 13.Txd4 Ac5 14.Cxc5 Axf3 15.Tg1 Cxe5-/+ 16.Cd3 Cxd3+ 17.Axd3 h6 18.Te1 Td8 [>=18...c5 ] 19.Txd8+ Rxd8 20.Ae4 [>=20.Rd2 Re7 21.Re3 ] 20...Axe4 21.Txe4 Re7 22.Tc4 c6 23.Tb4?! [23.a4 ] 23...b5 24.Te4 Td8 Corta el paso del rey blanco. 25.Rc2 f5 [25...c5 ] 26.Te2 g5 27.Rb3 [27.f4 ] 27...a5 28.c4 Td4 [28...Td3+ 29.Rc2 bxc4 30.b3 Rd6 31.bxc4 Tf3 ] 29.cxb5 cxb5 30.Rc3 Tc4+ 31.Rd3 Tc5 [31...g4 ] 32.Rd4 [32.f4 ] 32...Td5+ 33.Rc3 e5 34.b4 a4 35.Rb2 Rd6 36.a3 e4 37.h4 Re5 38.hxg5 hxg5 39.Tc2 f4 40.gxf4+ gxf4 41.Rc1 Td3 42.Tc5+ Rd4 43.Txb5 Txa3 44.Rd2 Ta2+ 45.Re1 f3 46.Tb8 Te2+ 47.Rf1 a3 48.Ta8 a2 49.Rg1 Tb2 50.Rh2 Txf2+ 51.Rg3 Tg2+ 0-1

(28) Sánchez, Christian - Sanhueza, Cristián [B25] Mayor, Rosario (4.4), 18/11/2003 Defensa siciliana. Variante cerrada. 1.e4 g6 2.Cc3 Ag7 3.f4 c5 4.Cf3 Cc6 5.g3 d6 6.Ag2 Cf6 7.d3 0-0 8.0-0 Tb8 9.h3 b5 10.a3 a5 [10...Ce8 11.g4 a5 12.f5 b4 13.axb4 axb4 14.Ce2 Cc7 15.De1 Cb5 16.Dh4 Cbd4 17.Cexd4 Cxd4 18.Ah6 Cxf3+ 19.Txf3 Axb2 20.Taf1 f6 21.fxg6 hxg6 22.Axf8 Dxf8 23.g5 Ad4+ 24.Rh1 Rg7 25.Dh6+ Rf7 26.Dxf8+ Rxf8 27.gxf6 exf6 1/2-1/2 Balashov-Filipenko, Moscú 1999.] 11.g4 [11.Ae3 ] 11...Ad7 [11...Cd7 ] 12.Ce2N [12.Ae3 Ce8 13.Tb1 Cc7 14.Ce2 b4 15.axb4 axb4 16.f5 Cb5 17.Dd2 Cbd4 18.Cexd4 Cxd4 19.Ah6 Db6 20.Axg7 Rxg7 21.Cxd4 cxd4 22.f6+ exf6 23.Df2 Dc5 24.Dxf6+ Rg8 25.Ta1 b3 26.cxb3 Txb3 Aranda-Crespo, S. Martin 1993 1/2-1/2 (43).] 12...Ce8 13.f5 [13.d4!? ] 13...Cc7 14.c3 b4 15.axb4 axb4 16.Ad2 [=16.Ae3 bxc3 17.bxc3 Tb2 18.d4+/= ] 16...Cb5 17.Dc1?! [17.De1!+/= -- 18.Dh4 ] 17...Ca5 18.Dc2 bxc3 [18...c4= ] 19.bxc3 Cb3? [19...c4= ] 20.Dxb3 Cxc3 21.Dxc3 Axc3 22.Cxc3 #Las blancas aceptaron ceder la dama y un peón por tres piezas menores (que valen aproximadamente lo mismo), pues su posición está consolidada y sus piezas podrán desarrollar gran poder concentrando su ataque sobre los puntos débiles del enemigo. 22...Rg7 [Es mejor permitir el alfil en h6 que el caballo en d5: 22...Ac6 23.Ah6 Te8 ] 23.Cd5 f6? [Era necesario eliminar el caballo a toda costa: 23...Ac6+/= ] 24.Ta7 [24.Aa5! De8 25.Ac3 ] 24...g5? [Había que cambiar un par de torres: 24...Ta8 25.Tfa1 (‹25.Txa8 Dxa8 26.Cxe7 Ab5<=> ) 25...Txa7 26.Txa7+/- ] 25.Ac3 Las blancas se apresuran a realizar una jugada buena. [#Tenían a su disposición la siguiente (complicada) combinación: 25.Cxg5! fxg5 26.Axg5 Ta8 27.Tb7 Tb8 28.Tfb1 Txb7 29.Txb7 Rf7 (29...Tf7 30.Axe7 Txe7 31.f6+ Rf7 32.fxe7 Dc8 33.Tc7 De8 34.g5+- ) 30.Axe7 Dc8 31.Ta7 c4 32.Axd6 cxd3 33.e5+- ] 25...Rg8 26.Tfa1 Tf7 [26...Tb3 27.d4 ] 27.Aa5 De8 28.Ac7 Rg7? [28...Tc8 29.Cb6 Rg7 30.e5+- ; 28...Tb2 29.Ta8 Ac8 30.Cb6 Txb6 31.Axb6+- ] 29.Axb8 [29.Axb8 Dxb8 30.Txd7+- ] 1-0

(29) Martínez Dorr, Fernando - Selvetti, Alexis [C77] Mayor, Rosario (4.5), 18/11/2003 Apertura española. Ataque Worral. 1.e4 e5 2.Cf3 Cc6 3.Ab5 a6 4.Aa4 Cf6 5.De2 La variante Wormald-Schlechter. 5...b5 6.Ab3 Ae7 7.a4 [7.0-0 0-0 8.c3 es la línea principal del ataque Worrall.] 7...b4 [7...Tb8 8.axb5 axb5 9.d4 d5 10.c3 Cxe4 11.Cxe5 Cxe5 12.dxe5 0-0 13.0-0 Af5 14.Ae3= Spasski-Jolmov, sf camp. de URSS 1954.] 8.0-0 [8.a5= Johner-Teichmann, Berlín 1924.] 8...0-0 Traspone al ataque Worral. 9.d3 [9.d4 ] 9...d6 10.h3? [10.Cbd2 Ag4 11.Dd1= ] 10...Tb8?N [10...Ca5 11.Aa2 b3 (11...c5 12.Cbd2 Ad7 13.Cc4 Cxc4 14.Axc4 Ce8 15.Ch2 Ag5 16.f4 exf4 17.Axf4 Axf4 18.Txf4 Dg5 19.Df3 Cf6 20.b3 Ae6 21.Tf1 Cd7 22.De3 Axc4 23.Cf3 Dh6 24.dxc4 Ce5 25.Ch4 De6 Walther-Tsvetkov, olimp. de Moscú 1956 0-1 (51).) 12.cxb3 Tb8=/+ ] 11.Ae3? [11.Cbd2= ] 11...h6? [11...Ca5=/+ ] 12.Cbd2 Ca5 13.Aa2 c5 14.Ch2 Ae6 15.Axe6 fxe6 16.f4 exf4 17.Axf4 [17.Txf4= ] 17...e5 [17...Cc6 ] 18.Ae3 Dd7 19.b3 Cc6 20.Tf2 Ch7 21.Taf1 Ag5 22.Cc4 Axe3 23.Cxe3 Cd4 24.Dh5 [24.Dg4= ] 24...Txf2 25.Txf2 Tf8 26.Cf3 Cxf3+ [26...Cf6!? ] 27.Txf3 Txf3 28.Dxf3 Cg5 29.Df5 Dxf5 30.Cxf5 Cf7= 31.Rf2 [31.Ce7+ Rf8 32.Cc6 Re8 33.Cb8 Rd8 34.Cxa6? Rc8 encerrando el caballo.] 31...Rf8 32.h4 g6 33.Ce3 h5 34.Cd5 Cd8 35.Cc7 # 35...a5 [Las negras podrían probar esta celada: 35...Re7!? 36.Cxa6? Rd7-/+ ] 36.Re3 Cc6 37.Cd5 Rf7 1/2-1/2

(30) Mambrin, Antonio - Guiamet, Jaime [A52] Mayor, Rosario (4.6), 18/11/2003 Gambito Budapest. 1.d4 Cf6 2.c4 e5 3.dxe5 Cg4 4.Cf3 Ac5 5.e3 Cc6 6.Ae2 0-0 7.0-0 Cgxe5 8.Cc3 Cxf3+ 9.Axf3 Ce5 10.Ae2 a5 11.b3 Te8 12.Ab2 Ta6 13.Ce4 [13.Dd5+/- ] 13...Aa7!? [13...Af8= ] 14.Dd5 [14.c5 Th6~~ ] 14...Tae6?! [14...Th6 15.Axe5 c6 16.Af6 gxf6~~ ] 15.Dxa5 Ab6 16.Dc3 # [16.Db4+/= Polovodin-Pavchenko, URSS 1987.] 16...f6?N Cierra la diagonal de su dama y la fila de su torre. [16...Th6! 17.f4 Dh4 18.h3 d5!~~ (18...d6 19.c5 Axh3 20.De1 Dxe1 21.Tfxe1 Aa5 22.fxe5 Tg6 23.Af3 Axe1 24.Txe1 dxe5 25.Cf2 Ac8 26.Td1 Ta6 27.Axe5 Txa2 28.Axc7 Tb2 29.Td3 Af5 30.Tc3 Ae6 31.Ad6 Ta8 32.Cd3 Ta1+ 33.Rh2 Tbb1 34.Axb7 Th1+ 35.Rg3 Taf1 36.Cf4 h5 37.Cxe6 h4+ 38.Rg4 h3 39.gxh3 Thg1+ 40.Ag3 1-0 Mitenkov-Sokolov, Pavlodar 1991.) ] 17.c5 Aa7 18.Tfd1 Rh8 [18...b6 ] 19.b4 Cg6 20.Cg3 Ab8 21.Ac4 T6e7 22.Cf5 Te5 23.Dc2 d5 [23...Te4 24.f3 Txc4 25.Dxc4+- ] 24.Axe5 Txe5 25.Cg3 c6 26.e4 [26.Ad3 ] 26...d4 [26...Cf4 ] 27.Dd2 Te8 28.Dxd4 De7 [28...Dxd4 29.Txd4 Ae5 30.Tad1 Axd4 31.Txd4+- ] 29.De3 Af4 30.De2 Ce5 31.Ab3 [31.Cf5 ] 31...Cg6 32.Dc2 De5 33.Cf1 Ch4 34.De2 Dg5 35.Cg3 f5 [35...Ag4!? 36.f3 Axf3 37.gxf3 Axg3<=> ] 36.Dh5 Dxh5 37.Cxh5 Ae5 38.Tab1 fxe4 39.Cg3 e3 40.fxe3 Cf5 41.Cxf5 Axf5 42.Tbc1 g6 43.h3(+) Ab2 44.Tc4 Txe3 45.Rf2 Td3 46.g4 Txd1 47.Axd1 Ad3 48.Tf4 Ae5 49.Tf7 Aa6 50.Ae2 Ac3 51.Axa6 bxa6 52.Tb7 a5 53.a3 [53.b5 ] 53...Ab2 54.bxa5 Axa3 55.a6 Axc5+ 56.Rf3 1-0