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Subject: Good (IMO) Endgame test

Author: Drexel,Michael

Date: 08:47:41 01/07/03


[D] 1r4k1/pp1R2p1/2n1p2p/8/8/2b1B1PP/P4PB1/6K1 w - - 0 23

IMHO this was the key moment of Kramnik-DF match last October. Kramnik blundered
his winning chances away with 23.Bxc6. Dorian Rogozenko (not a top
grandmaster, but strong anyway) criticized this move after the 4th game on
chessbase server.
23.Kf1 seems to be better, even in case black is able to defend this. can your
programs avoid 23.Bxc6?

two games played with 30' per move on Athlon 1.66GHz ponder off:


Shredder 7 - Fritz 8 [D34]

1.d4 d5 2.c4 e6 3.Nf3 c5 4.cxd5 exd5 5.g3 Nc6 6.Bg2 Nf6 7.0-0 Be7 8.Nc3 0-0
9.Bg5 cxd4 10.Nxd4 h6 11.Bf4 Bg4 12.h3 Be6 13.Rc1 Re8 14.Nxe6 fxe6 15.e4 d4
16.e5 dxc3 17.exf6 Bxf6 18.bxc3 Qxd1 19.Rfxd1 Rad8 20.Be3 Rxd1+ 21.Rxd1 Bxc3
22.Rd7 Rb8 23.Kf1 e5 24.Ke2 Bd4 25.Bd5+ Kh7 26.h4 a6 27.Bd2 Kh8 28.f3 a5 29.Be4
h5 30.Be1 a4 31.Bg6 Bb2 32.Ke3 b5 33.Rc7 Nd8 34.Re7 Nc6 35.Rc7 Nd8 36.Re7 Nc6
37.Re8+ Rxe8 38.Bxe8 Nd4 39.Ke4 Kh7 40.g4 a3 41.gxh5 Ne2 42.Bf7 Kh6 43.Bd2+ Nf4
44.Kf5 Bd4 45.Be8 Bb2 46.Kg4 Bd4 47.Bxb5 Bb2 48.Bd3 Bd4 49.Bg6 Ba1 50.Be4 Bd4
51.Bb4 Ng2 52.Bxa3 Ne3+ 53.Kg3 Kxh5 54.Be7 Bc3 55.a4 Be1+ 56.Kh3 Ba5 57.Bg5 Nd1
58.Bd5 Nf2+ 59.Kh2 Kg6 60.Kg3 Be1 61.Kg2 Nd1 62.Bb3 Nb2 63.Bd8 Bb4 64.a5 Nd3
65.Bc2 e4 66.Bb6 Nc5 67.Bxe4+ Kf7 68.Bc6 Ke6 69.Kg3 Nd7 70.Bxd7+ Kxd7 71.a6 Kc6
72.Bd4 g6 73.Kg4 Be7 74.h5 gxh5+ 75.Kxh5 Bd6 76.Kg6 Kc7 77.Kf6 Ba3 78.a7 Bf8
79.a8Q Be7+ 80.Ke6 Bc5 81.Qa5+ Kb7 82.Qxc5 Kb8 83.Kd7 Ka8 84.Qc8# 1-0


Fritz 8 - Shredder 7 [D34]

1.d4 d5 2.c4 e6 3.Nf3 c5 4.cxd5 exd5 5.g3 Nc6 6.Bg2 Nf6 7.0-0 Be7 8.Nc3 0-0
9.Bg5 cxd4 10.Nxd4 h6 11.Bf4 Bg4 12.h3 Be6 13.Rc1 Re8 14.Nxe6 fxe6 15.e4 d4
16.e5 dxc3 17.exf6 Bxf6 18.bxc3 Qxd1 19.Rfxd1 Rad8 20.Be3 Rxd1+ 21.Rxd1 Bxc3
22.Rd7 Rb8 23.Kf1 a5 24.Be4 Nb4 25.a4 b6 26.Bb7 Bf6 27.Bxb6 Nd3 28.Ba7 Rd8
29.Rxd8+ Bxd8 30.Ke2 Nb4 31.Ke3 Kf7 32.Kd4 g5 33.Kc4 Kf6 34.Bd4+ e5 35.Bc3 Kf5
36.Kb5 h5 37.Bxb4 axb4 38.a5 Bc7 39.f3 e4 40.a6 Bb8 41.Bxe4+ Ke6 42.h4 gxh4
43.gxh4 Ba7 44.Kxb4 Kd6 45.f4 Kc7 46.f5 Kb6 47.f6 Bb8 48.Kc4 Bd6 49.Kd5 Bf8
50.Bd3 Bb4 51.Ke6 1-0









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