Tuesday, May 24, 2016

Koepcke Invades King's Indian

Half the games I publish are ones that I won. Also, many strong players have published notes on games in which they beat me. Richard Koepcke analyzed this game for APCT. It was published in the “Games from APCT Play” article edited by Jon Voth.

I appear to have changed my mind early on as to what defensive set-up I wanted to employ. I started with 1.d4 Nf6. Then I threw in 2.c4 c6 like a possible Slav Defense. After 3.Nc3 g6 I pondered a Gruenfeld. White prevented 4…d5. After 4.e4 d6 we ended up with a King's Indian Defence. White’s choice of 5.f3 made it a Saemisch Variation.

In his notes Richard Koepcke had consulted analysis by Geller. He went his own way with 12.0-0-0!? Since we castled opposite sides, I decided to attack his king. It seemed logical to open up the position. The problem was that White had a big space advantage in front of his king. His pieces were more coordinated.

Koepcke noted that my queenside pawn moves 14…a5 and 18…b5 created weaknesses. This gave White targets that I found difficult to defend. When I resigned, the material on the board was still even. However White was about to infiltrate the Black queenside. There was no defense to Nc1-Nb3-Nxa5 winning a pawn.

Koepcke (2186) - Sawyer (2100), corr APCT 80CC-M-F, 1982 begins 1.d4 Nf6 2.c4 c6 3.Nc3 g6 4.e4 d6 5.f3 Bg7 6.Be3 0-0 7.Bd3 e5 8.d5 cxd5 9.cxd5 Ne8 10.Qd2 f5 11.Nge2 Nd7 12.0-0-0 f4 [12...Nc5=] 13.Bf2 Nc5 14.Bc2 a5 15.Na4 Nxa4 16.Bxa4 Bd7 [16...Nc7 17.Bb6+/=] 17.Bxd7 Qxd7 18.Kb1 b5 19.Bb6 b4 20.Rc1 Qb5 21.Rc6 Bf6 [21...Ra6 22.Bd8 Bf6 23.Bxf6+/=] 22.Rhc1 Bd8 23.Bxd8 Rxd8 24.Qc2 Rf7 25.Qc4 Qxc4 26.R1xc4 Ra7 27.Kc2 Kf7 28.Kb3 Ke7 29.Rc8 Kd7? 30.Rxd8+ Kxd8 31.Ka4 Nc7 32.Nc1 1-0

You may also like: King Pawn (1.e4 e5) and Sicilian (1.e4 c5)
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