Author: Brian Richardson
Date: 08:51:48 07/05/03
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On July 05, 2003 at 02:15:11, Ryan B. wrote: >2r2rk1/p4ppp/1p2nq2/2nRp3/1Q2P3/P1P1BP1P/4B2P/3R2K1 w - - 0 1 > >Most programs see this as at least a 1-pawn advantage for black. My program >does not see the advantage reporting an almost even score (-0.21). Because I am >not a strong chess player I cannot tell if my program is missing something in >its eval or missing a good move to pruning. My guess for now is that it has >something to do with king safety but I could be way off. Any help would be >greatly appreciated, thanks. > >-Ryan In Tinker I have 2 evaluation modes...the regular with all terms, and one "quick" eval that only looks at material and piece square tables. Sometimes this help find large positional eval differences. In this particular posistion, both scores are pretty close after 11 plys: -1.16 with all terms, and -1.32 "quick" (which looks better for black, and seems backwards if white's positional factors are inferior, ouch), and in both cases c4 is the preferred move. The static eval is -0.64. Brian
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