OPENINGS THEORY
- ECO CODES BASE -

- E49 -

[E49-a] - NID: Nimzo-Indian: 4.e3, Botvinnik system 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 +/=

1. «»

[E49-b] - NID: Nimzo-Indian: 4.e3, Botvinnik system 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 Nc6 +/=

1. «»

[E49-c] - NID: Nimzo-Indian: 4.e3, Botvinnik system 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c6 +/=

1. «»

[E49-d] - NID: Nimzo-Indian: 4.e3, Botvinnik system 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 Nbd7 +/=

1. «»

[E49-e] - NID: Nimzo-Indian: 4.e3, Botvinnik system 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 e5 (BRI: c4,d4-d5,e5 (Botvinnik's rivet)) +/=

1. «»

[E49-f] - NID: Nimzo-Indian: 4.e3, Botvinnik system 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 e5 (BRI: c4,d4-d5,e5 Botvinnik's rivet)) 8.cxd5 Qxd5 +/=

1. «»

[E49-g] - NID: Nimzo-Indian: 4.e3, Botvinnik system 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 b6 (8.Ne2) +/=

1. «»

[E49-h] - NID: Nimzo-Indian: 4.e3, Botvinnik system 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 b6 8.cxd5 exd5 +/=

1. «»

[E49-i] - NID: Nimzo-Indian: 4.e3, Botvinnik system 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 b6 8.cxd5 exd5 9.Nf3 +/=

1. «»

[E49-j] - NID: Nimzo-Indian: 4.e3, Botvinnik system 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 b6 8.cxd5 exd5 9.Ne2 +/=

1. «»

[E49-k] - NID: Nimzo-Indian: 4.e3, Botvinnik system 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 b6 8.cxd5 exd5 9.Ne2 c5 (TAR: d4-c5,d5 (Tarrasch's anti-ram)) +/=

1. «»

[E49-l] - NID: Nimzo-Indian: 4.e3, Botvinnik system 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 b6 8.cxd5 exd5 9.Ne2 c5 (TAR: d4-c5,d5 (Tarrasch's anti-ram)) 10.Ng3 +/=

1. «»

[E49-m] - NID: Nimzo-Indian: 4.e3, Botvinnik system 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 b6 8.cxd5 exd5 9.Ne2 c5 (TAR: d4-c5,d5 (Tarrasch's anti-ram)) 10.f3 +/=

1. «»

[E49-n] - NID: Nimzo-Indian: 4.e3, Botvinnik system 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 b6 8.cxd5 exd5 9.Ne2 c5 (TAR: d4-c5,d5 (Tarrasch's anti-ram)) 10.f3 Re8 +/=

1. «»

[E49-o] - NID: Nimzo-Indian: 4.e3, Botvinnik system 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 b6 8.cxd5 exd5 9.Ne2 c5 (TAR: d4-c5,d5 (Tarrasch's anti-ram)) 10.f3 Ba6 +/=

1. «»

[E49-p] - NID: Nimzo-Indian: 4.e3, Botvinnik system 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 b6 8.cxd5 exd5 9.Ne2 c5 (TAR: d4-c5,d5 (Tarrasch's anti-ram)) 10.f3 Ba6 11.0-0 +/=

1. «»

[E49-q] - NID: Nimzo-Indian: 4.e3, Botvinnik system 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 b6 8.cxd5 exd5 9.Ne2 c5 (TAR: d4-c5,d5 (Tarrasch's anti-ram)) 10.f3 Ba6 11.0-0 Re8 (12.Ng3) +/=

1. «»

[E49-r] - NID: Nimzo-Indian: 4.e3, Botvinnik system 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 b6 8.cxd5 exd5 9.Ne2 c5 (TAR: d4-c5,d5 (Tarrasch's anti-ram)) 10.0-0 +/=

1. «»

[E49-s] - NID: Nimzo-Indian: 4.e3, Botvinnik system 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 b6 8.cxd5 exd5 9.Ne2 c5 (TAR: d4-c5,d5 (Tarrasch's anti-ram)) 10.0-0 Nc6 +/=

1. «»

[E49-t] - NID: Nimzo-Indian: 4.e3, Botvinnik system 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 b6 8.cxd5 exd5 9.Ne2 c5 (TAR: d4-c5,d5 (Tarrasch's anti-ram)) 10.0-0 Ba6 (11.Ng3) +/=

1. «»

[E49-u] - NID: Nimzo-Indian: 4.e3, Botvinnik system 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 b6 8.cxd5 exd5 9.Ne2 c5 (TAR: d4-c5,d5 (Tarrasch's anti-ram)) 10.0-0 Ba6 11.Bxa6 Nxa6 (FM: (forced move)) +/=

1. «»

[E49-v] - NID: Nimzo-Indian: 4.e3, Botvinnik system 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 b6 8.cxd5 exd5 9.Ne2 c5 (TAR: d4-c5,d5 (Tarrasch's anti-ram)) 10.0-0 Ba6 11.Bxa6 Nxa6 (FM: (forced move)) 12.Qd3 +/=

1. «»

[E49-w] - NID: Nimzo-Indian: 4.e3, Botvinnik system 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 b6 8.cxd5 exd5 9.Ne2 c5 (TAR: d4-c5,d5 (Tarrasch's anti-ram)) 10.0-0 Ba6 11.Bxa6 Nxa6 (FM: (forced move)) 12.f3 (Re8) +/=

1. «»

[E49-x] - NID: Nimzo-Indian: 4.e3, Botvinnik system 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 b6 8.cxd5 exd5 9.Ne2 c5 (TAR: d4-c5,d5 (Tarrasch's anti-ram)) 10.0-0 Ba6 11.f3 +/= (Qc8?! +/-)

1. «»

[E49-y] - NID: Nimzo-Indian: 4.e3, Botvinnik system 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 b6 8.cxd5 exd5 9.Ne2 c5 (TAR: d4-c5,d5 (Tarrasch's anti-ram)) 10.0-0 Ba6 11.f3 Bxd3 +/=

1. «»

[E49-z] - NID: Nimzo-Indian: 4.e3, Botvinnik system 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 b6 8.cxd5 exd5 9.Ne2 c5 (TAR: d4-c5,d5 (Tarrasch's anti-ram)) 10.0-0 Ba6 11.f3 Re8 +/=

1. «»

[E49-a*] - NID: Nimzo-Indian: 4.e3, Botvinnik system 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 b6 8.cxd5 exd5 9.f3

1. «»

[E49-b*] - NID: Nimzo-Indian: 4.e3, Botvinnik system 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 b6 8.cxd5 exd5 9.f3 c5 (TAR: d4-c5,d5 (Tarrasch's anti-ram)) (10.Ne2 (see: E49-m)) (10.a4) +/=

1. «»

[E49-c*] - NID: Nimzo-Indian: 4.e3, Botvinnik system 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 b6 8.Nf3 +/=

1. «»

[E49-d*] - NID: Nimzo-Indian: 4.e3, Botvinnik system 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 b6 8.Nf3 Ba6 +/=

1. «»

[E49-e*] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c4,d4-c5,d5 (Tarrasch's anvil)) +/=

1. «»

[E49-f*] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c4,d4-c5,d5 (Tarrasch's anvil)) 8.Ne2 +/=

1. «»

[E49-g*] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c4,d4-c5,d5 (Tarrasch's anvil)) 8.Ne2 Nc6 +/=

1. «»

[E49-h*] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c4,d4-c5,d5 (Tarrasch's anvil)) 8.cxd5 +/=

1. «»

[E49-i*] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c4,d4-c5,d5 (Tarrasch's anvil)) 8.cxd5 Qxd5 +/=

1. «»

[E49-j*] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c4,d4-c5,d5 (Tarrasch's anvil)) 8.cxd5 exd5 (TAR: d4-c5,d5 (Tarrasch anti-ram)) +/=

1. «»

[E49-k*] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c4,d4-c5,d5 (Tarrasch's anvil)) 8.cxd5 exd5 (TAR: d4-c5,d5 (Tarrasch anti-ram)) 9.Nf3 +/=

1. «»

[E49-l*] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c4,d4-c5,d5 (Tarrasch's anvil)) 8.cxd5 exd5 (TAR: d4-c5,d5 (Tarrasch anti-ram)) 9.Nf3 Nc6 +/=

1. «»

[E49-m*] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c4,d4-c5,d5 (Tarrasch's anvil)) 8.cxd5 exd5 (TAR: d4-c5,d5 (Tarrasch anti-ram)) 9.f3 +/=

1. «»

[E49-n*] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c4,d4-c5,d5 (Tarrasch's anvil)) 8.cxd5 exd5 (TAR: d4-c5,d5 (Tarrasch anti-ram)) 9.f3 Te8 +/=

1. «»

[E49-o*] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c4,d4-c5,d5 (Tarrasch's anvil)) 8.cxd5 exd5 (TAR: d4-c5,d5 (Tarrasch anti-ram)) 9.f3 Cc6 +/=

1. «»

[E49-p*] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c4,d4-c5,d5 (Tarrasch's anvil)) 8.cxd5 exd5 (TAR: d4-c5,d5 (Tarrasch anti-ram)) 9.f3 b6 +/=

1. «»

[E49-q*] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c4,d4-c5,d5 (Tarrasch's anvil)) 8.cxd5 exd5 (TAR: d4-c5,d5 (Tarrasch anti-ram)) 9.f3 b6 10.Ce2 (Fb7) +/=

1. «»

[E49-r*] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c4,d4-c5,d5 (Tarrasch's anvil)) 8.cxd5 exd5 (TAR: d4-c5,d5 (Tarrasch anti-ram)) 9.f3 b6 10.Ce2 Te8 +/=

1. «»

[E49-s*] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c4,d4-c5,d5 (Tarrasch's anvil)) 8.cxd5 exd5 (TAR: d4-c5,d5 (Tarrasch anti-ram)) 9.f3 b6 10.Ce2 Fa6 (11.Fxa6) +/=

1. «»

[E49-t*] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c4,d4-c5,d5 (Tarrasch's anvil)) 8.cxd5 exd5 (TAR: d4-c5,d5 (Tarrasch anti-ram)) 9.f3 b6 10.Ce2 Fa6 11.0-0 +/=

1. «»

[E49-u*] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c4,d4-c5,d5 (Tarrasch's anvil)) 8.cxd5 exd5 (TAR: d4-c5,d5 (Tarrasch anti- ram)) 9.Ne2

1. «»

[E49-v*] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c47,d4-c5,d5 (Tarrasch's anvil)) 8.cxd5 exd5 (TAR: d4-c5,d5 (Tarrasch anti- ram)) 9.Ne2 Bg4!? /unclear

1. «»

[E49-w*] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c47,d4-c5,d5 (Tarrasch's anvil)) 8.cxd5 exd5 (TAR: d4-c5,d5 (Tarrasch anti- ram)) 9.Ne2 Qc7 +/=

1. «»

[E49-x*] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c47,d4-c5,d5 (Tarrasch's anvil)) 8.cxd5 exd5 (TAR: d4-c5,d5 (Tarrasch anti- ram)) 9.Ne2 Te8 +/=

1. «»

[E49-y*] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c4,d4-c5,d5 (Tarrasch's anvil)) 8.cxd5 exd5 (TAR: d4-c5,d5 (Tarrasch anti- ram)) 9.Ne2 c4 (BSP: c3,d4-c4,d5 (Botvinnik's semi-pillbox)) =

1. «»

[E49-z*] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c4,d4-c5,d5 (Tarrasch's anvil)) 8.cxd5 exd5 (TAR: d4-c5,d5 (Tarrasch anti- ram)) 9.Ne2 c4 (BSP: c3,d4-c4,d5 (Botvinnik's semi-pillbox)) 10.Fc2 =

1. «»

[E49-a**] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c4,d4-c5,d5 (Tarrasch's anvil)) 8.cxd5 exd5 (TAR: d4-c5,d5 (Tarrasch anti- ram)) 9.Ne2 Nc6 +/=

1. «»

[E49-b**] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c4,d4-c5,d5 (Tarrasch's anvil)) 8.cxd5 exd5 (TAR: d4-c5,d5 (Tarrasch anti- ram)) 9.Ne2 Nc6 10.f3 +/=

1. «»

[E49-c**] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c4,d4-c5,d5 (Tarrasch's anvil)) 8.cxd5 exd5 (TAR: d4-c5,d5 (Tarrasch anti- ram)) 9.Ne2 Nc6 10.0-0 (b6) +/=

1. «»

[E49-d**] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c4,d4-c5,d5 (Tarrasch's anvil)) 8.cxd5 exd5 (TAR: d4-c5,d5 (Tarrasch anti- ram)) 9.Ne2 Nc6 10.0-0 Te8 +/=

1. «»

[E49-e**] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c4,d4-c5,d5 (Tarrasch's anvil)) 8.cxd5 exd5 (TAR: d4-c5,d5 (Tarrasch anti- ram)) 9.Ne2 b6 +/=

1. «»

[E49-f**] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c4,d4-c5,d5 (Tarrasch's anvil)) 8.cxd5 exd5 (TAR: d4-c5,d5 (Tarrasch anti- ram)) 9.Ne2 b6 10.f3 +/=

1. «»

[E49-g**] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c4,d4-c5,d5 (Tarrasch's anvil)) 8.cxd5 exd5 (TAR: d4-c5,d5 (Tarrasch anti- ram)) 9.Ne2 b6 10.0-0 +/=

1. «»

[E49-h**] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c4,d4-c5,d5 (Tarrasch's anvil)) 8.cxd5 exd5 (TAR: d4-c5,d5 (Tarrasch anti- ram)) 9.Ne2 b6 10.0-0 Ba6 (11.Ng3) +/=

1. «»

[E49-i**] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c4,d4-c5,d5 (Tarrasch's anvil)) 8.cxd5 exd5 (TAR: d4-c5,d5 (Tarrasch anti- ram)) 9.Ne2 b6 10.0-0 Ba6 11.Bxa6 +/=

1. «»

[E49-j**] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c4,d4-c5,d5 (Tarrasch's anvil)) 8.cxd5 exd5 (TAR: d4-c5,d5 (Tarrasch anti- ram)) 9.Ne2 b6 10.0-0 Ba6 11.f3 +/=

1. «»

[E49-k**] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c4,d4-c5,d5 (Tarrasch's anvil)) 8.Nf3 +/=

1. «»

[E49-l**] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c4,d4-c5,d5 (Tarrasch's anvil)) 8.Nf3 Nbd7 +/=

1. «»

[E49-m**] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c4,d4-c5,d5 (Tarrasch's anvil)) 8.Nf3 Qc7 +/=

1. «»

[E49-n**] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c4,d4-c5,d5 (Tarrasch's anvil)) 8.Nf3 dxc4 9.Bxc4 (Nc6) +/=

1. «»

[E49-o**] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c4,d4-c5,d5 (Tarrasch's anvil)) 8.Nf3 dxc4 9.Bxc4 Qc7 +/=

1. «»

[E49-p**] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c4,d4-c5,d5 (Tarrasch's anvil)) 8.Nf3 dxc4 9.Bxc4 Qc7 10.Be2 +/=

1. «»

[E49-q**] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c4,d4-c5,d5 (Tarrasch's anvil)) 8.Nf3 dxc4 9.Bxc4 Qc7 10.Ba2 +/=

1. «»

[E49-r**] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c4,d4-c5,d5 (Tarrasch's anvil)) 8.Nf3 Nc6 (9.0-0 (see: E58)) +/=

1. «»

[E49-s**] - NID: Nimzo-Indian: Botvinnik-Reshevsky variation 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 c5 (TA: c4,d4-c5,d5 (Tarrasch's anvil)) 8.Nf3 Nc6 9.Qc2 +/=

1. «»

[E49-t**] - NID: Nimzo-Indian: Botvinnik system, 7...dxc4 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 dxc4 8.Bxc4 (FM: (forced move)) =

1. «»

[E49-u**] - NID: Nimzo-Indian: Botvinnik system, 7...dxc4 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 dxc4 8.Bxc4 (FM: (forced move)) c5 (TL: (Tarrasch's lever)) (9.Bb2) (9.Nf3 (see: E53)) =

1. «»

[E49-v**] - NID: Nimzo-Indian: Botvinnik system, 7...dxc4 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 dxc4 8.Bxc4 (FM: (forced move)) c5 (TL: (Tarrasch's lever)) 9.Ne2 (Nc6) =

1. «»

[E49-w**] - NID: Nimzo-Indian: Botvinnik system, 7...dxc4 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 dxc4 8.Bxc4 (FM: (forced move)) c5 (TL: (Tarrasch's lever)) 9.Ne2 Nc6 10.0-0 +/=

1. «»

[E49-x**] - NID: Nimzo-Indian: Botvinnik system, 7...dxc4 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 dxc4 8.Bxc4 (FM: (forced move)) c5 (TL: (Tarrasch's lever)) 9.Ne2 Qc7 10.Bd3 +/=

1. «»

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