E39 Nimzo-Indian: Classical, 4...c5 5.dxc5 O-O (1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 Bxc5 6.Nf3 Nc6 7.Bg5 Be7 8.e3 Qa5 9.Be2 O-O)

Chess may not still be completely figured out game but there has been millions of games where players from all over the world have made their attempts to the possible solutions. Every chess game that has ever been played or will be played is just one more solution to the game, how ever faulty they may be. I have only participated to this mass solution with mere few thousand wrong solutions and will continue bringing those as long as I live.

From my move five onwards I played sloppy moves that brought me into problems, but it was only when we reached the position below that I started to slip from a possible draw. The position below came to the board after my opponent played 12.Nxd5. I had two possible replies, 12...exd5 and 12...Qxd5. Unfortunately I chose the latter because I wanted to keep my pawn structure intact, but it was a bad decision.

Capturing with the pawn would have opened up the diagonal for my light-squared bishop and made it a better piece.

The move I played in the game had the big downside of leaving the light-squared bishop behind the e-pawn and making the devolepment of my queenside pieces rather difficult. From that point on I struggled a lot, but refused to resign. My efforts to resist the inevitable loss were rewarded at last when fledermaus played 49.Be6 in the position below.

The right idea for fledermaus was to bring the king into play, starting with the move 49.Kg2.

After that mistake the game was fought evenly to the end. Allowing me to bring my king to b5 made it possible for me to capture the extra pawn and drawing the game was easy after that.

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Move	N	Result	Elo

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1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 Nimzo-Indian Defense: Classical Variation. Berlin Variation 5.dxc5 Bxc5 5...Bxc3+ Nimzo-Indian Defense: Classical Variation. Berlin Variation Steiner Variation 5...0-0 Nimzo-Indian Defense: Classical Variation. Berlin Variation Pirc Variation 6.Nf3 Nc6 7.Bg5 Be7 8.e3 Qa5 9.Be2 0-0 E39 Nimzo-Indian: Classical, 4...c5 5. dxc5 O-O 10.0-0 d5 11.cxd5 Nxd5 12.Nxd5 Qxd5N 12...exd5 13.Bxe7 Nxe7 14.Nd4 Bd7 15.b4 Qb6 16.Rfd1 Rac8 17.Qd2 Qg6 18.Bf3 Bg4 19.Rac1 Bxf3 20.Nxf3 Qe4 21.Qb2 Rxc1 22.Rxc1 Rc8 23.Rxc8+ Nxc8 24.h3 f6 25.Nd4 Qd3 26.Ne6 b5 27.Qd4 Roumegous,M (2217)-Assad,K (2042) France 2008 1-0 (48) 12...exd5 13.Bxe7 Nxe7 14.Qb3 13.Bxe7± Nxe7 14.Rfd1 Qc6 15.Qxc6 Nxc6 16.Rac1 Rd8 17.Rxd8+ Nxd8 18.Rd1 Nc6 19.Ne5 Kf8 20.Nxc6 bxc6 21.Bf3 White threatens to win material: Bf3xc6 21.Rd6 a5± 21...Ke7 21...Rb8 22.b3± 22.Bxc6± Rb8 23.b3 Rb6 24.Ba4 Rd6 25.Rxd6 Kxd6 26.Kf1 Kc5 27.a3 Ba6+ 28.Ke1 e5 29.Kd2 Bf1 30.g3 a5 31.Kc3 f6 32.h4 h6 33.Bd7 Be2 34.Bf5 Ba6 35.Be4 Bb5 36.Bd3 Bc6 37.b4+ axb4+ 38.axb4+ Kb6 39.f4 Bd7 40.Bc4 Bf5 41.Kd2 Be4 42.Ke2 Bc6 43.fxe5 fxe5 44.Kf2 Be4 45.Kg1 Bf3 46.Kh2 g5 47.hxg5 hxg5 48.Kh3 48.Kg1 Be4± 48...Bd1 48...e4 49.Be6= 49.Be6 49.Kg2!?± 49...Kb5= Black threatens to win material: Kb5xb4 50.Bg4 Bb3 51.Be2+ Kxb4 52.Kg4 White threatens to win material: Kg4xg5 Kc3 53.Bb5 Kd2 54.e4 Ke3 Black threatens to win material: Ke3xe4 55.Kf5 White threatens to win material: Kf5xe5 Bc2 Black threatens to win material: Bc2xe4 56.Bc6 Kd4 57.g4 Bd3 58.Kxg5 Bxe4 59.Bxe4 Kxe4 ½–½

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White	EloW	Black	EloB	Res

fledermaus

1961

Vierjoki,T

1846

½–½

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