Author: Richard Pijl
Date: 04:25:03 01/08/03
Go up one level in this thread
On January 07, 2003 at 11:47:41, Drexel,Michael wrote: >[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? > Baron 0.99.4 beta 4 avoids Bxc6 from the start. It presents another option though: 23.f4 Baron switches a few times between 23.f4 and 23.Be4, then choses 23.a4 and later 23.Kf1, and back to 23.a4 (Mobile PII-500). Because of this (and because of the slow computer used) I let it run for quite a while: ply time nodes score pv 4( 7)& 0 4023 102 f2f4 h6h5 g2e4 g8f8 4( 7). 0 5593 102 f2f4 h6h5 g2e4 g8f8 5( 9)& 0 17863 94 f2f4 c3a5 g2c6 b7c6 d7a7 a5c3 5( 9)& 0 28488 95 g2e4 e6e5 f2f3 c3d4 e3d4 5( 9). 0 31232 95 g2e4 e6e5 f2f3 c3d4 e3d4 6(10)& 0 55783 88 g2e4 e6e5 e4d5 g8h8 g1g2 c3d4 e3d4 6(13)& 0 102016 94 f2f4 e6e5 f4e5 c3e5 g3g4 a7a6 g2c6 6(13). 1 125782 94 f2f4 e6e5 f4e5 c3e5 g3g4 a7a6 g2c6 7(13)& 2 231448 97 f2f4 e6e5 g2d5 g8h8 f4e5 c3e5 g1f2 b8f8 f2g2 f8g8 7(14). 3 360052 97 f2f4 e6e5 g2d5 g8h8 f4e5 c3e5 g1f2 b8f8 f2g2 f8g8 8(14)& 4 499100 92 f2f4 c3a5 g2e4 a5b6 e3b6 a7b6 e4c6 b7c6 g1g2 8(17). 10 1210294 92 f2f4 c3a5 g2e4 a5b6 e3b6 a7b6 e4c6 b7c6 g1g2 9(16)& 12 1444167 79 f2f4 c3a5 g2e4 a5b6 e3b6 a7b6 a2a3 e6e5 g1f2 e5f4 9(18)& 16 1919562 94 g2e4 e6e5 e3c1 c3d4 c1a3 c6a5 a3d6 b8c8 e4b7 9(19). 37 4415915 94 g2e4 e6e5 e3c1 c3d4 c1a3 c6a5 a3d6 b8c8 e4b7 10(19)& 53 6461315 86 g2e4 c3a5 e4c6 b7c6 d7a7 a5b6 e3b6 b8b6 a2a4 b6b2 a7e7 g8h7 10(20)& 69 8307643 92 f2f4 c3a5 g1f2 a5b6 e3b6 a7b6 a2a3 g7g5 f4g5 h6g5 10(20). 101 12220814 92 f2f4 c3a5 g1f2 a5b6 e3b6 a7b6 a2a3 g7g5 f4g5 h6g5 11(20)& 119 14397494 80 f2f4 c3a5 h3h4 a5b6 e3b6 a7b6 a2a3 e6e5 g2d5 g8h8 f4e5 c6e5 d7e7 e5c6 11(21)& 151 18466155 94 g2e4 c3a5 g1g2 a5b6 e3f4 e6e5 f4c1 b8f8 f2f3 f8f7 d7f7 11(22). 238 29182671 94 g2e4 c3a5 g1g2 a5b6 e3f4 e6e5 f4c1 b8f8 f2f3 f8f7 d7f7 12(22)& 282 34767957 88 g2e4 c3a5 g1g2 a5b6 e3b6 a7b6 a2a3 c6e5 d7c7 b8d8 c7b7 d8d4 b7b6 12(23)& 592 71069265 95 a2a4 e6e5 e3c1 c6a5 g2d5 g8h8 f2f3 a7a6 g1f1 b7b5 d7c7 c3b4 12(23). 724 87147384 95 a2a4 e6e5 e3c1 c6a5 g2d5 g8h8 f2f3 a7a6 g1f1 b7b5 d7c7 c3b4 13(24)& 1169 140826181 94 a2a4 e6e5 g2d5 g8h8 e3c1 c6a5 f2f3 a7a6 g1g2 b7b5 a4b5 a6b5 d5e4 b5b4 c1h6 13(24)& 2233 263419155 95 g1f1 c3a5 g2c6 b7c6 d7a7 a5b6 e3b6 b8b6 f1e2 13(24). 2407 284768257 95 g1f1 c3a5 g2c6 b7c6 d7a7 a5b6 e3b6 b8b6 f1e2 14(25)& 3041 361382570 91 g1f1 c3a5 g2c6 b7c6 d7a7 a5b6 e3b6 b8b6 f1e2 c6c5 a2a4 b6b2 e2e3 b2b3 e3f4 14(26)& 4354 523444212 92 a2a4 a7a6 g2e4 e6e5 e4d5 g8h8 g1f1 c3d4 e3d2 d4b6 d5c6 b7c6
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