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Subject: Re: Anand's move Nc7 against Karjakin

Author: Bernhard Bauer

Date: 05:17:35 01/16/06

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On January 16, 2006 at 08:10:53, Vincent Lejeune wrote:

>On January 16, 2006 at 06:54:26, Bernhard Bauer wrote:
>
>>On January 16, 2006 at 06:52:43, Bernhard Bauer wrote:
>>
>>>On January 16, 2006 at 01:51:38, Bigler wrote:
>>>
>>>>Hi folks,
>>>>
>>>>Karjakin,Sergey (2660) - Anand,V (2792) [B90]
>>>>Corus A Wijk aan Zee NED (1), 14.01.2006
>>>>1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3 e5 7.Nb3 Be6 8.f3 Be7 9.Qd2
>>>>0-0 10.0-0-0 Nbd7 11.g4 b5 12.g5 b4 13.Ne2 Ne8 14.f4 a5 15.f5 a4 16.Nbd4 exd4
>>>>17.Nxd4 b3 18.Kb1 bxc2+ 19.Nxc2 Bb3 20.axb3 axb3 21.Na3 Ne5 22.h4 Ra5 23.Qc3N.
>>>>Karjakin deviates from Leko-Vallejo in Monte Carlo 2005, where 23.Qe2 was played
>>>>and the game ended in a draw after 67 moves. But Anand is prepared: 23...Qa8
>>>>24.Bg2.
>>>>
>>>>24...Nc7!
>>>>
>>>>On my computer (AMD 64 X2 4600+)
>>>>Programs find the move in :
>>>>- Fritz 9 doesnt find the move after more than 2 hours
>>>>- Rybka 101 Beta 10d finds the move 24...Nc7 after 26min 25s
>>>>- Fruit 2.2.1 finds the move after 17min 22s
>>>>- Deep Shredder 9 using the dual core finds the move after 5min 45s
>>>>
>>>>Was just interesting for me to see how difficult is the move to find for the top
>>>>programs on high speed computer.
>>>>
>>>>Best regards to all
>>>
>>>On my slow AMD XP 1800 MHZ Toga2 takes 9:53 min to find Ne8c7, at 15/52 depth.
>>>Kind regards
>>>Bernhard
>>
>>Sorry, it was 13:44 at 15/56 depth.
>>Kind regards
>>Bernhard
>
>Strange, I let TogaII 1.1 think for 20 min on my AMD @2.1 Ghz and it didn't find
>the move :-(
>
>I used 384 MB hash, and you ?


Under Arena TogaII shows 129 MB hash.
My settings are:
NMP: always
NMR: 3
VS:  always
VR:  6
HT: 50
FP: on
FM: 125
EFM: 325
DP: on
DM: 50
QCP: 2
Toga King Safety Margin: 1560

Hope that helps.
Kind regards
Bernhard





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