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Subject: Re: good sac (i think)

Author: blass uri

Date: 04:29:56 06/19/00

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On June 19, 2000 at 04:37:18, Peter Kappler wrote:

>On June 19, 2000 at 03:58:01, Will Singleton wrote:
>
>>In a game tonight on ICC, Amateur declined to sac for the attack, and played
>>14.Bg3.  But I think it's ok to take the pawn, so I was disappointed to see
>>this.  What do other progs do?
>>
>>[D]1rbq1rk1/2pp1p2/2n2n1p/1p2p1p1/4P2B/1BPP1N2/2P2PPP/R2Q1RK1 w - g6
>>
>
>
>That's *really* funny - I was about to post the same position!
>
>By the way, this was an extremely valuable game for me, because it helped me
>find a rather huge bug in Grok's king safety that caused it to play 13...g5 and
>some of the ridiculous king moves that followed.
>
>Grok likes Nxg5 after 8 seconds (ply 8) with an equal score.  After 2 minutes
>the score jumps to +0.5.
>
>Phalanx (always brilliant in these types of positions) finds it in under 4
>seconds with a score of +2.
>
>Fritz6a finds it in 30 seconds, at +0.6.  After 100 seconds it's at +1.34
>
>Chess System Tal 2 finds it in 4 seconds with a +2.2 score.  Very similar to
>Phalanx!
>
>Crafty sticks with Bg3.  I gave up after 3 minutes.

Crafty17.10 on pentiumIII450 found Nxg5 after 16:02.
I believe that Junior6a may be also slow in finding Nxg5.

Uri



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