1)Recursos defensivos.
3) En memoria de Bobby Fischer (1943-2009)
Juegan las negras.
2) [C43] Defensa Petroff, variante Steinitz
1.e4 e5 2.Cf3 Cf6 3.d4 Cxe4 4.Ad3 d5 5.Cxe5 Cd7 6.Cxd7 Axd7 7.0-0 Dh4 8.c4 0-0-0 9.c5 g5 10.f3 Cf6 11.Ae3 Te8 12.Dd2 Txe3 13.Dxe3
Este interesante sacrificio fue relizado por el GM Makharishev en su partida contra Sergej Dolmatov del abierto de Reykiavik de 1990. El primer objetivo del análisis es evaluar el sacrificio de calidad, para luego realizar un estudio de la variante.
3) En memoria de Bobby Fischer (1943-2009)
Dos grandes partidas:
(48) Byrne,D - Fischer,R [D97]
New York Rosenwald New York, 1956
1.Cf3 Cf6 2.c4 g6 3.Cc3 Ag7 4.d4 0-0 5.Af4 d5 6.Db3 [ 6.e3; 6.Tc1!?] 6...dxc4 7.Dxc4 c6 8.e4 Cbd7 [ 8...Ag4 9.Ae2 Cfd7 10.Td1 Axf3 11.Axf3 e5 12.dxe5 Axe5 13.Axe5 Cxe5 14.Txd8 Cxc4 15.Txf8+ Rxf8 16.Ae2! Cb6 ( 16...Cxb2 17.Rd2 b5[] 18.Tb1 Cc4+ 19.Axc4 bxc4 20.Tb4+/-) 17.Rd2+/= Dydyshko,V-Dorfman,J/Minsk/1986/1:0/57/; 8...b5! 9.Db3 Da5 /\ b4/ 10.Ad3 Ae6 11.Dd1 c5!?<=>] 9.Td1 Cb6 10.Dc5 Ag4
New York Rosenwald New York, 1956
1.Cf3 Cf6 2.c4 g6 3.Cc3 Ag7 4.d4 0-0 5.Af4 d5 6.Db3 [ 6.e3; 6.Tc1!?] 6...dxc4 7.Dxc4 c6 8.e4 Cbd7 [ 8...Ag4 9.Ae2 Cfd7 10.Td1 Axf3 11.Axf3 e5 12.dxe5 Axe5 13.Axe5 Cxe5 14.Txd8 Cxc4 15.Txf8+ Rxf8 16.Ae2! Cb6 ( 16...Cxb2 17.Rd2 b5[] 18.Tb1 Cc4+ 19.Axc4 bxc4 20.Tb4+/-) 17.Rd2+/= Dydyshko,V-Dorfman,J/Minsk/1986/1:0/57/; 8...b5! 9.Db3 Da5 /\ b4/ 10.Ad3 Ae6 11.Dd1 c5!?<=>] 9.Td1 Cb6 10.Dc5 Ag4
11.Ag5? [ 11.Ae2 Cfd7 12.Da3 Axf3 13.Axf3 e5 14.dxe5 De8 15.Ae2 Cxe5 16.0-0+/= Flear,G-Morris,P/Dublin/1991/1:0/46/] 11...Ca4!! 12.Da3 [ 12.Cxa4 Cxe4 13.Dc1 ( 13.Dxe7 Da5+ 14.b4 Dxa4 15.Dxe4 Tfe8 16.Ae7 Axf3 17.gxf3 Af8-+) 13...Da5+ 14.Cc3 Axf3 15.gxf3 Cxg5-/+] 12...Cxc3 13.bxc3 Cxe4 14.Axe7 Db6-/+15.Ac4 [ 15.Axf8 Axf8 16.Db3 Cxc3!-/+] 15...Cxc3! 16.Ac5 [ 16.Dxc3 Tfe8 17.Axf7+ ( 17.De3 Dc7-+) 17...Rxf7 18.Cg5+ Rxe7 19.0-0 Axd1 20.Txd1 Db5-+] 16...Tfe8+ 17.Rf1
17...Ae6!! [ 17...Cb5? 18.Axf7+! Rxf7 ( 18...Rh8 19.Axb6 Cxa3 20.Axe8+/-) 19.Db3+ Ae6 20.Cg5++-] 18.Axb6 [ 18.Axe6 Db5+ 19.Rg1 Ce2+ 20.Rf1 Cg3+ 21.Rg1 Df1+! 22.Txf1 Ce2#; 18.Dxc3 Dxc5! 19.dxc5 Axc3 20.Axe6 Txe6-+; 18.Ad3 Cb5-/+] 18...Axc4+ 19.Rg1 Ce2+ 20.Rf1 Cxd4+ 21.Rg1 [ 21.Td3 axb6 22.Dc3 Cxf3-+] 21...Ce2+ 22.Rf1 Cc3+ 23.Rg1 axb6
24.Db4 Ta4 25.Dxb6 Cxd1-+ 26.h3 Txa2 27.Rh2 Cxf2 28.Te1 Txe1 29.Dd8+ Af8 30.Cxe1 Ad5 31.Cf3 Ce4 32.Db8 b5 33.h4 h5 34.Ce5 Rg7 35.Rg1 Ac5+ 36.Rf1 Cg3+ 37.Re1 Ab4+ [ 37...Ab3!?] 38.Rd1 Ab3+ 39.Rc1 Ce2+ 40.Rb1 Cc3+ 41.Rc1 Tc2# mate 0-1
(49) Byrne,R - Fischer,R [D71]
USA-ch New York (3), 18.12.1963
1.d4 Cf6 2.c4 g6 3.g3 c6 4.Ag2 [ 4.d5 b5! 5.dxc6 bxc4 6.cxd7+ Cbxd7 7.Ag2 Tb8 8.Cf3 Ag7 9.0-0 0-0= Byrne,R-Fischer,R ch-USA 1962] 4...d5 5.cxd5 [ 5.Db3] 5...cxd5 6.Cc3 Ag7 7.e3 [ 7.Cf3 0-0 8.Ce5 ( 8.0-0 Ce4!=) 8...Af5 9.0-0 Ce4 10.Db3 Cc6 11.Dxd5 Cxc3 12.bxc3 Dxd5 13.Axd5 Cxe5 14.dxe5 Axe5= Benko,P-Fischer,R ch-USA 1962] 7...0-0 8.Cge2 Cc6 9.0-0 b6 10.b3 [ 10.Cf4 e6 11.b3 Aa6 12.Te1 Tc8 13.Aa3 Te8 14.Tc1= Stahlberg,G-Flohr,S Kemeri 1937] 10...Aa6 11.Aa3 Te8 12.Dd2 [ 12.Tc1; 12.f4!? e6-/+ /\ Af8, Ta8-c8-c7, Tec8] 12...e5! [ 12...e6=] 13.dxe5 [ 13.Tac1 exd4 ( 13...Tc8 14.Tfd1 e4 15.f3!) 14.exd4 Tc8 15.f3-/+] 13...Cxe5
24.Db4 Ta4 25.Dxb6 Cxd1-+ 26.h3 Txa2 27.Rh2 Cxf2 28.Te1 Txe1 29.Dd8+ Af8 30.Cxe1 Ad5 31.Cf3 Ce4 32.Db8 b5 33.h4 h5 34.Ce5 Rg7 35.Rg1 Ac5+ 36.Rf1 Cg3+ 37.Re1 Ab4+ [ 37...Ab3!?] 38.Rd1 Ab3+ 39.Rc1 Ce2+ 40.Rb1 Cc3+ 41.Rc1 Tc2# mate 0-1
(49) Byrne,R - Fischer,R [D71]
USA-ch New York (3), 18.12.1963
1.d4 Cf6 2.c4 g6 3.g3 c6 4.Ag2 [ 4.d5 b5! 5.dxc6 bxc4 6.cxd7+ Cbxd7 7.Ag2 Tb8 8.Cf3 Ag7 9.0-0 0-0= Byrne,R-Fischer,R ch-USA 1962] 4...d5 5.cxd5 [ 5.Db3] 5...cxd5 6.Cc3 Ag7 7.e3 [ 7.Cf3 0-0 8.Ce5 ( 8.0-0 Ce4!=) 8...Af5 9.0-0 Ce4 10.Db3 Cc6 11.Dxd5 Cxc3 12.bxc3 Dxd5 13.Axd5 Cxe5 14.dxe5 Axe5= Benko,P-Fischer,R ch-USA 1962] 7...0-0 8.Cge2 Cc6 9.0-0 b6 10.b3 [ 10.Cf4 e6 11.b3 Aa6 12.Te1 Tc8 13.Aa3 Te8 14.Tc1= Stahlberg,G-Flohr,S Kemeri 1937] 10...Aa6 11.Aa3 Te8 12.Dd2 [ 12.Tc1; 12.f4!? e6-/+ /\ Af8, Ta8-c8-c7, Tec8] 12...e5! [ 12...e6=] 13.dxe5 [ 13.Tac1 exd4 ( 13...Tc8 14.Tfd1 e4 15.f3!) 14.exd4 Tc8 15.f3-/+] 13...Cxe5
14.Tfd1? [ 14.Tad1! >= 14...Ce4 a)14...Tc8 15.Cxd5 Cxd5 16.Axd5 Ad3 17.Ag2 Tc2 18.Dxc2+-; b)14...Cd3 15.Dc2; c)14...Dd7 15.Dc2+/- /\ Td2, Tfd1 15...Tac8 16.Db1!; d)14...Dc7 15.Dc1! Ce4!? 16.Cxd5! Dxc1 17.Cxc1 Axf1 18.Axe4 Aa6 19.Ce7+ Rh8 20.Axa8 Txa8 21.f4+/-; e)14...Dc8! 15.Cxd5 ( e)15.Tc1 Dd7! 16.Tcd1 Tad8; e)15.Ab2 >= 15...Df5; e)15.Dc1 Ce4 16.Cxd5 Axe2 17.Axe4 Rh8! 18.Dxc8 Taxc8 19.Ce7 Tc7 20.Tc1 Td7 21.Tfe1 Af3!-+) 15...Cxd5 16.Axd5 Td8 17.f4 Txd5! 18.Dxd5 Ab7! 19.Dd8+ ( e)19.Dd2 Dh3! 20.Cd4 Cg4 21.Tfe1 ( e)21.Cc2 h5->) 21...Cxe3!-+) 19...Dxd8 20.Txd8+ Txd8 21.fxe5 Axe5-/+; 15.Cxe4 dxe4 16.Axe4 Dxd2 17.Txd2 Cc4 18.Axa8 Cxd2 19.Td1 Cc4 20.bxc4 ( 20.Ac6! Averbakh,Y 20...Cxa3 21.Axe8 Axe2 22.Td7+-) 20...Txa8-/+ ><>14...Cd3! 15.Dc2 [ 15.Cd4 Ce4 16.Cxe4 dxe4 17.Ab2 Tc8^; 15.Cf4 Ce4 16.Cxe4 dxe4 ( 16...Axa1? 17.Cd6) 17.Tab1 Tc8 18.Cxd3 Ac3! 19.De2 Axd3 20.Dg4 f5 21.Dh3 Axb1! 22.Txd8 Texd8 23.Af1 Td1 24.Rg2 Ad3! 25.Axd3 exd3-+; 15.f3 Ah6 16.f4 ( 16.Cf4? d4!) 16...Ag7! /\ Ce4]
15...Cxf2! 16.Rxf2 Cg4+ 17.Rg1 Cxe3 18.Dd2[] Cxg2! [ 18...Cxd1 19.Txd1=] 19.Rxg2 d4! 20.Cxd4 Ab7+ 21.Rf1 [ 21.Rg1 Axd4+ 22.Dxd4 Te1+! 23.Rf2 Dxd4+ 24.Txd4 Txa1 25.Td7 Tc8 26.Txb7 ( 26.Ab2 Th1) 26...Txc3 27.Tb8+ Rg7 28.Ab2 Txa2-+; 21.Rf2 Dd7! 22.Tac1 Dh3 23.Cf3 Ah6 24.Dd3 Ae3+ 25.Dxe3 Txe3 26.Rxe3 Te8+ 27.Rf2 Df5!-+] 21...Dd7! [ 21...Dd7! 22.Df2 ( 22.Cdb5 Dh3+ 23.Rg1 Ah6-+) 22...Dh3+ 23.Rg1 Te1+!! 24.Txe1 Axd4-+] 0-1
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