Author: Jeroen van Dorp
Date: 07:58:05 01/16/02
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It seems that Graham feels most uncomfortable with the absolute value that is suggested when you evaluate on pawn difference calculations. The win/lose chance hasn't got that problem, as it suggests no absoluteness, but chances. A problem, because you only can see chances over a longer period. But if you take chess engines in account, we only want one thing: a perfect chess engine. A perfect chess engine knows the solution to chess, or "is able to solve chess". In that case it can tell -1, 0 or +1 as evaluation: You will lose (mate in ##), We will draw, or you will win (mate in ##). As that's not possible yet for more than 5 or 6 pieces, the engine use a modified assessment based on pawn value difference. It gives more information than a rating system like win/lose chances, but -and if Graham thinks so- in that I agree with him that chess engines suggest an accuracy that's not there. Yet. :) J.
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