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Subject: Re: test position - or what team kramnik missed

Author: Uri Blass

Date: 05:24:40 10/08/04

Go up one level in this thread


On October 08, 2004 at 08:16:12, Uri Blass wrote:

>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

Fritz needs 46 minutes to produce fail high for Re2

23...Re2!
  ²  (0.37)   Depth: 17/51   00:46:00  3556645kN

(, MyTown 08.10.2004)

Uri



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