Author: Uri Blass
Date: 05:16:12 10/08/04
Go up one level in this thread
On October 07, 2004 at 22:39:17, Uri Blass wrote: >On October 07, 2004 at 18:05:29, martin fierz wrote: > >>On October 07, 2004 at 12:10:55, martin fierz wrote: >> >>>i'm just watching kramnik-leko, kramnik is getting a terrible beating in the >>>marshall. from the time spent on the moves, i think it's obvious that kramnik >>>prepared everything until he got stunned by leko's 25...Qd3!! >>> >>>[D] 6k1/5p1p/P1pb1nq1/6p1/3P4/1BP2PP1/1P1Nb2P/R1B3K1 b - - 0 25 >> >>hmm, my own thing is slower than everybody else :-( >>it needs 4 minutes on a fast machine to see Qd3 is a winner. BTW it's official >>now, kramnik missed this move in his preparation. given that all engines see it >>rather quickly (the good ones, not mine...), it seems that they didn't check the >>line with a computer - strange if you know that he has 3 GMs as seconds. > >Maybe they used computer but did not use it for enough time or did not use it in >the right position or both. > >Maybe the last position that they analyzed with computer was the position before >24.Qxe2 and when the program gave convincing score for 24.Qxe2 with the line >24.Qxe2 Bxe2 25.bxa6 they decided that the line was winning for white and >decided that they need to learn other lines and have no more time for that line >because they wanted to help kramnik to learn more lines than Leko. > >Uri I can add that the main move that Fritz cannot find in a reasonable time is 23...Re2 It seems that Kramnik blundered by Qf2 when Qd1 was the right move. Here is some analysis by Fritz8 on A3000 New game - Fritz 8, Blitz:3' MyTown [D]4r1k1/5p1p/p1pb1nq1/1P4p1/3P4/1BPb1PP1/1P1N1Q1P/R1B3K1 b - - 0 1 Analysis by Fritz 8: 23...axb5-- ± (0.75) Depth: 7/21 00:00:00 94kN 23...axb5 24.Ra7 Re7 25.Rxe7 Bxe7 26.Qe3 Bf8 ± (0.81) Depth: 7/24 00:00:00 130kN 23...Re2! ± (0.78) Depth: 7/24 00:00:00 144kN 23...Re2-- ± (1.06) Depth: 8/22 00:00:00 268kN 23...Re2 24.Qxe2 Bxe2 25.bxa6 Ne8 26.Ne4 Be7 27.a7 Nc7 28.a8Q+ ± (1.09) Depth: 8/27 00:00:00 319kN 23...axb5! ± (1.06) Depth: 8/27 00:00:00 339kN 23...axb5! ± (0.91) Depth: 8/27 00:00:00 347kN 23...axb5! ² (0.59) Depth: 8/27 00:00:00 387kN 23...axb5 24.Bd1 b4 25.Ra7 Nd5 26.Bb3 Re2 27.Ra8+ Kg7 ² (0.37) Depth: 8/27 00:00:00 632kN 23...axb5 24.Bd1 b4 25.Ra7 h6 26.Bb3 Re2 27.Bxf7+ Qxf7 28.Rxf7 ² (0.34) Depth: 9/26 00:00:01 1092kN 23...axb5 24.Bd1 b4 25.Ra7 h6 26.c4 Qh5 27.c5 Bb8 28.Ra8 ² (0.37) Depth: 10/28 00:00:02 1883kN 23...axb5 24.Bd1 b4 25.Ra7 Bb8 26.Rb7 Bd6 27.Bb3 Nd5 28.Nc4 Re2 ² (0.37) Depth: 11/30 00:00:04 4801kN 23...axb5 24.Bd1 b4 25.Nb3 bxc3 26.bxc3 Nd5 27.Bd2 f5 28.Nc1 Bb5 29.Bb3 g4 30.fxg4 ² (0.47) Depth: 12/33 00:00:12 13916kN 23...axb5 24.Bd1 b4 25.Nb3 bxc3 26.bxc3 Nd5 27.Bd2 f5 28.Nc1 Bc4 29.Ra4 Bb5 30.Ra7 ² (0.47) Depth: 13/35 00:00:29 35542kN 23...axb5 24.Bd1 b4 25.Nb3 bxc3 26.bxc3 Nd5 27.Bd2 f5 28.Nc5 Bxc5 29.dxc5 f4 30.Bb3 fxg3 31.Bxd5+ ² (0.44) Depth: 14/35 00:01:13 89703kN 23...axb5 24.Bd1 b4 25.Nb3 bxc3 26.bxc3 Nd5 27.Bd2 f5 28.Nc5 f4 29.Ne4 Bxe4 30.fxe4 ² (0.47) Depth: 15/39 00:03:06 242017kN 23...axb5 24.Bd1 g4 25.Nf1 gxf3 26.Bxf3 Ng4 27.Bxg4 Qxg4 28.Bh6 Qg6 29.Bf4 Bf8 30.Ne3 b4 ² (0.41) Depth: 16/42 00:12:12 933276kN 23...axb5 24.Bd1 g4 25.Nf1 h5 26.Ne3 gxf3 27.Bxf3 Ng4 28.Bxg4 hxg4 29.Ra7 Qe6 30.b4 Kg7 31.Bd2 ² (0.41) Depth: 17/43 00:26:34 2037480kN (, MyTown 08.10.2004) I guess that kramnik's team considered Re2 as bad based on a similiar analysis and did not give much time to analyze what happens after Re2 Maybe they used more than one option and saw a bad score for 23...Re2. Uri
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