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Subject: Re: Spike-Rybka

Author: Vasik Rajlich

Date: 09:52:33 12/28/05

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On December 28, 2005 at 04:00:14, Ryan B. wrote:

>On December 28, 2005 at 03:12:23, Vasik Rajlich wrote:
>
>>Interesting game. I didn't like .. h6 and .. g5 by Rybka in the opening (as I
>>suspect most human players won't), and there were a few moments in the endgame
>>where better resistance could have been put up - but these are relatively minor
>>points.
>>
>>The biggest issue was the incorrect sacrifice of the h6 pawn. The Rybka static
>>eval incorrectly gives the following position (and others of a similar type) as
>>roughly equal:
>>
>>[D] 8/1b2b1k1/pp1ppp2/nPq5/P1P1P3/2QRNPP1/8/1N2KB1r b - - 0 27
>>
>>I'll keep to myself my proposed solution. It's a tricky issue and won't be
>>handled until after the Rybka 1.2 release. If anybody wants to share here, I am
>>all ears :-)
>>
>>Vas
>
>Does your eval give 2, 4, or 5 mobility points to the b7 bishop?  I’m just
>curious about your mobility detection for no important reason.  :-)
>
>Ryan

Sorry, I must keep my secrets :) It´s quite a bit different in Rybka anyway, but
of your three numbers, I am very sure two of them are clearly inappropriate.

Vas




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