Author: Ryan B.
Date: 12:48:59 12/28/05
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On December 28, 2005 at 12:52:33, Vasik Rajlich wrote: >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 For accuracy I agree but all 3 are present in different computer chess programs. Ryan
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