IRT "GM Gerardo Barbero" - Ronda 2

(6) Palau,I (2247) - Martínez Dorr,F [B04] IRT GM Gerardo Barbero In Memóriam Rosario (2), 11.08.2006 Defensa Alekhine. Sistema del cambio. 1.e4 Cf6 2.e5 Cd5 3.d4 d6 4.Cf3 g6 5.c4 Cb6 6.exd6 cxd6 7.Ae2 Ag7 8.0-0 0-0 9.h3 Cc6 10.Cc3 Af5 11.Ae3 [ 11.Af4 h6 Geller-Vaganián, Moscú 1985 12.d5 Ca5 13.Cd4 Caxc4 14.b3 Ce5 15.Cxf5 gxf5 16.Dd2~~ Vaganián] 11...d5 12.c5 Cc4 13.Axc4 dxc4 14.Da4 e5 15.Tfd1 Cxd4 16.Cxd4 exd4 17.Axd4 Axd4 18.Dxc4 Axf2+ [ 18...Axf2+ 19.Rxf2= Df6 20.Dd4 Dxd4+ 21.Txd4 Rg7 22.Cd5 Ae6 23.a3 Tac8 24.b4 Tc6 25.Cf4 b6 26.Tc1 bxc5 27.Txc5 Txc5 28.bxc5 Tc8 29.Cxe6+ fxe6 30.Td7+ Rf6 31.Txa7 Txc5 32.Txh7 Ta5 1/2-1/2 Dvoretski-Grigorián, zonal de Vilna 1975.] 1/2-1/2

(7) Evans,P (2061) - Rucci,M (2206) [B20] IRT GM Gerardo Barbero In Memóriam Rosario (2), 11.08.2006 Defensa siciliana. Variante del fianchetto de dama. 1.e4 c5 2.b3 d6 3.Ab2 Cf6 4.Ab5+ Cbd7 5.De2 e6 6.f4 a6 7.Axd7+ Axd7 8.d3N [ 8.Cf3 Ac6 9.d3 Ae7 10.Cbd2 0-0~~ 11.0-0 b5 12.Tae1 a5 13.e5 Cd5 14.exd6 Cxf4! 15.De5 Af6 Zak-Tsesarski, Givatayim 2000 16.Dxc5! Axb2 17.Dxc6 Tc8 18.Dxb5 Txc2 19.g3 Cd5~~ <=> Tsesarski] 8...Ae7 9.Cd2 Ac6 10.0-0-0!? Dc7 [ 10...0-0!~~ ] 11.Ch3 0-0-0 12.Cg5 Af8 [ 12...Thf8= ] 13.Rb1 [ 13.e5+/= ] 13...h6 14.Cgf3 Ae7 15.Thg1 Thg8 16.g4 g5 17.fxg5 hxg5 18.Tdf1 Cd7 19.Tf2 [ 19.Th1= ] 19...f6 20.Cf1 Cf8 21.Ce1 Cg6 22.Cg2 Tdf8 [ 22...Tgf8=/+ ] 23.Cg3 Dd8 24.Tgf1 Rb8 25.Ch5 Ce5 26.Ce3 Ae8 27.Axe5 [ 27.a3= ] 27...dxe5 1.35-1.46 [ 27...fxe5=/+ ] 1/2-1/2

(8) Serafino,D (2327) - Mangiaterra,R (2197) [B80] IRT GM Gerardo Barbero In Memóriam Rosario (2), 11.08.2006 Defensa siciliana. Variante Scheveningen. Ataque inglés. 1.e4 c5 2.Cf3 e6 3.d4 cxd4 4.Cxd4 Cf6 5.Cc3 d6 6.Ae3 Cc6 7.Dd2 a6 8.0-0-0 Ae7 9.f3 0-0 10.g4 Cd7 11.h4 Cde5 12.Dg2 b5 13.Cxc6 Cxc6 14.g5 Ab7N [ 14...b4 15.Ca4 Tb8+/= Morozevich; 14...Da5?! 15.Rb1 b4 16.Ce2 e5 17.f4+/- Morozevich-Short, Sarajevo 1999.] 15.h5 b4 16.Ca4 Da5 17.b3 Tab8 18.Rb1 [ 18.f4+/= Amenazando Ab6.] 18...Aa8?! [ 18...f5<=> ] 19.g6 Af6 20.f4 [ 20.Txd6?? De5-+ ] 20...Dc7 21.gxh7+ Rh8 22.h6 g6 23.Df2 Rxh7 24.Ad3 e5?! [ 24...Ah8+/= ] 25.Cb6 Amenaza Cd5. 25...Ce7 26.Cxa8 [ 26.f5!? gxf5? 27.Th5+- ] 26...Txa8 27.fxe5? [ 27.Ac4+/- ] 27...Axe5 28.Ad4 f6 29.Ac4 a5 30.Td3 a4 [ 30...f5= ] 31.Axe5 [ 31.Dd2+/= ] 31...fxe5? [ 31...dxe5= 32.Dd2 axb3 33.Axb3 Tfd8 34.Dxb4 Txd3 35.cxd3 Dd7 ] 32.Tf3 Txf3 33.Dxf3 Cg8 34.Af7 axb3 35.Axg6+! Rh8 [ 35...Rxg6? 36.Df5# ] 36.cxb3 Tc8? [ 36...Da7 37.De2 Tf8 38.Af5 Ce7+/- ] 37.h7 Ch6 38.Df6+ Dg7 39.De6 Tf8 40.Tc1 1.05-1.59 [ 40.Tc1 Td8 41.Tg1 Tf8 42.Dxd6+- ] 1-0

(9) Virgillito,C - Ferraro,H (2099) [C50] IRT GM Gerardo Barbero In Memóriam Rosario (2), 11.08.2006 Defensa húngara. 1.e4 e5 2.Cf3 Cc6 3.Ac4 Ae7 4.d4 d6 5.dxe5 Jugada favorita de Bronstein. 5...dxe5 6.Dxd8+ Axd8 7.Cc3 Cf6 8.Ae3 0-0? [ 8...Ae7 9.Cd5 Ad6 10.Cxf6+ gxf6 11.Ch4+/= Van der Wiel - P. Nikolic, Malta (ol) 1980] 9.Ac5 Te8 10.Cg5 Ae6 11.Cxe6 fxe6 12.0-0-0?!N [ 12.Ab5!+/- Cd7 13.Axc6 bxc6 14.Aa3 Cb6 15.b3 Ae7 16.Axe7 Txe7 17.0-0-0 Rf8 18.Td3 Td7 19.Txd7 Cxd7 1-0 Vasiukov-Gheorghiu, Manila 1974 (46).] 12...a6 13.a4 b6 14.Ae3 [ >=14.Aa3 ] 14...Cg4 15.Td7 Cf6 16.Td2 Cg4 17.Rd1 Cxe3+ 18.fxe3 b5? [ 18...Ca5 19.Aa2 c5+/= ] 19.Cxb5! Tb8 [ 19...axb5? 20.Axb5+- ] 20.Cc3 Ca5 21.Axa6 Txb2 22.Td7 Tb6 23.Ad3 [ 23.Ae2+/- ] 23...Cb7 24.Ab5 [ 24.Tf1 Cc5 25.Tdf7 Tc6 26.Ab5 Td6+ 27.Re2 c6 28.Ad3 Cd7 29.T7f3+/= ] 24...c6? [ 24...Cc5 25.Txc7 Axc7 26.Axe8 Cxe4+/= ] 25.Txb7 Txb7 [ 25...cxb5 26.Txb6 Axb6 27.axb5 Tc8 28.Cb1 Tc5 29.Cd2 Txb5 30.Re2+- ] 26.Axc6 Tc7 27.Axe8 Txc3 28.Tf1 Af6 29.Rd2 Tc8 30.Ab5 Ae7 31.c4 [ >=31.c3 ] 31...Ab4+ 32.Rc2 Td8 33.Td1? [ 33.Rb3 Ac5 34.a5 Td3+ 35.Rc2 Ta3 36.a6+- ] 33...Txd1 34.Rxd1= A pesar de los dos peones de ventaja, este final de alfiles de distinto color es tablas; a las negras les basta mantener el alfil en la diagonal a7-g1 y al rey en c7 y d6 para impedir el avance del rey y de los peones contrarios. La disposición del flanco de rey también impide la penetración por allí. 34...Rf7 35.Rc2 Re7 36.Aa6 Rd6 37.Ac8 Aa5 38.h4 g6 39.Rd1 h6 40.Re2 Ab6 41.Rf3 Re7 42.Rf2 Rd6 43.Re2 Ad8 44.g3 Ab6 45.g4 g5 46.h5 Aa5 47.c5+ Rxc5 48.Axe6 Ab4 49.Rd3 Aa5 1.30-1.40 1/2-1/2

(10) Maidana,C (2187) - Sampaoli,C (2145) [A00] IRT GM Gerardo Barbero In Memóriam Rosario (2), 11.08.2006 Apertura Orangután. 1.b4 c6 2.Ab2 d5 3.a4 [ 3.e3 Db6 4.a3 a5 5.Ad4 Dc7 6.f4 axb4 7.axb4 Txa1 8.Axa1 Cd7 9.Cf3 Cgf6 10.Dc1 e6 11.Db2 b5 12.Ae2 Ae7 13.Cc3 0-0= Hort-Angantysson, Alemania Occidental 1985.] 3...Cf6 4.e3 e5 5.b5 Ad6 6.d4N [ 6.c4 De7 7.Db3 Ae6 8.Cf3 d4 9.Cg5 Af5 10.Ae2 h6 11.Cf3 c5 12.0-0 0-0 13.d3 Cbd7 14.e4 Ae6 15.a5 g5 0-1 Junge-Heinrich, corr Alemania Oriental 1979 (35).] 6...e4 7.h3 a6 8.Cd2 0-0 9.c4 dxc4 10.Axc4 axb5 11.axb5 Txa1 12.Dxa1 cxb5 13.Axb5 Db6 14.Da4 Ad7 15.Cc4 Dxb5? [ 15...Axb5 16.Cxb6 Axa4 17.Cxa4 Cc6=/+ ] 16.Dxb5 Axb5 17.Cxd6 Ad3 18.Rd2 [ 18.Cxb7 Cbd7 19.Cc5 Cxc5 20.dxc5= ] 18...Cc6 19.Ce2 Td8 20.Cf5 Ca5 21.Cf4 Aa6 [ 21...g6 22.Cxd3 exd3 23.Cg3 Cc4+ 24.Rc3 Tc8 25.Ac1 Cxe3+ 26.Rxd3 Cxg2=/+ ] 22.Ac3 Cc4+ 23.Rc2 Cd6 24.Ce7+ [ 24.Cxd6 Txd6 25.h4 Cg4 26.Ae1= ] 24...Rf8 25.Ced5 Cxd5 26.Cxd5 Ad3+ 27.Rc1 Ta8 [ =27...Cc4 28.Cf4 Ta8 29.Cxd3 exd3 30.Rb1 Ta6=/+ ] 28.Td1 [ 28.Rb2 Ac4! ] 28...Rg8 [ 28...Cc4=/+ 29.Ab4+? Rg8-+ ] 29.Cb4? [ 29.Cf4 Ab5 ( 29...Ta3 30.Ab4 ) 30.d5= ] 29...Ta3 30.Ab2 Tb3 31.Cxd3 exd3 32.d5 Cc4 [ 32...f6 33.Ad4 Rf7=/+ ] 33.Ad4 f6 34.e4 b5 35.f4 b4 36.e5 d2+ 37.Rc2 Apremio de tiempo de las blancas. [ 37.Txd2!? Cxd2 38.Rxd2 fxe5 39.fxe5 Ta3-/+ 40.Ac5 ( 40.e6 Ta5 41.d6 Td5 42.d7 Rf8 43.Re3 Re7 44.Ab6 b3 45.d8D+ Txd8 46.Axd8+ Rxd8 47.Rd3 Re7 48.Rc3 Rxe6 49.Rxb3 Re5-+ ) 40...Ta2+ ( 40...Ta5 41.Axb4 Txd5+ 42.Re3 Txe5+ 43.Rf4= ) 41.Rd3 b3 42.d6 Ta1 43.Ad4 Td1+ 44.Rc4 Rf7 45.Ac3 Re6 46.Rxb3 Tg1-+ ] 37...Tg3 38.Ta1 b3+ 39.Rd1 Td3?? [ 39...b2 40.Axb2 Td3-+ ] 40.e6?? [ 40.Ta8+ Rf7 41.e6+ Rg6 42.e7 Txd4 43.e8D+ Rh6 44.Ta1 Cb2+ 45.Re2 d1D+ 46.Txd1 Cxd1 47.Re1 Cc3 48.Db8 Td1+ 49.Rf2 Td2+ 50.Re3 b2 51.Rxd2 b1D 52.Dxb1 Cxb1+ 53.Rc2 Ca3+ 54.Rb3 Cb5 55.Rc4 55...Cc7 ( 55...Cd6+ 56.Rc5 Cf7 57.Rc6 g5 58.f5 g4 59.h4 Rg7 60.Rd7 Rf8 61.Re6 Ce5 62.d6 Re8 63.Rxf6 Cc4 64.Re6= ; 55...Ca7 56.d6 Cc6 57.Rd5 Cd8 58.d7 Rg6 59.Rd6 Rf5 ( 59...h5 60.g4 hxg4 61.hxg4 f5 62.Re7 Cb7 63.g5 Rh5 64.Rf7 g6 65.Rf6 Cd8 66.Re7= ) 60.Re7 Cb7 61.Rf7 g5 62.g4+ Rxf4 63.Rxf6 Cd8 64.Re7 Cc6+ 65.Rd6 Ce5 66.d8C= ) 56.d6 Ce6 57.d7 Rg6 58.Rd5 Rf7 59.f5 Cd8 60.Rd6 g6 61.fxg6+ hxg6 62.h4 Cb7+ 63.Rc7 Re7 64.Rxb7 Rxd7 65.g3= ] 40...h6 41.Ta8+ Rh7 42.e7 Txd4 43.e8D Cb2+ 44.Re2 d1D+ 45.Rf2 Dd2+ 46.Rg1 Dc1+ 47.Rf2 Dxf4+ 1.57-1.47 [ 47...Dxf4+ 48.Re1 Td1+ 49.Re2 Td2+ 50.Re1 Df2# ] 0-1