Author: blass uri
Date: 11:48:02 06/05/00
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On June 05, 2000 at 13:58:01, Robin Smith wrote: >On June 03, 2000 at 19:24:08, Robert Hyatt wrote: > >>On June 03, 2000 at 10:41:58, blass uri wrote: >> >>>My observation is that programmers did not try to teach program some rules >>>about endgames(for example about the fact that KRPPP vs KRPP is almost always a >>>draw when all pawns are on the same side). >>> >>> >>>I know no program that knows that this position is probably a draw(evaluation of >>>less than 0.5 pawns advantage for white): >>> >>>[D]5rk1/6pp/8/8/8/8/5PPP/5RK1 w - - 0 1 >>> >>>I am interested to know if there is a programmer who try to teach his(her) >>>program as much as possible about endgames by teaching it rules from chess books >>>without caring about nps and about being better in games. >>> >>>Uri >> >> >>I do this all the time. I just haven't gotten to this case yet. Nor the case >>of Q+P's is _very_ difficult to win with a 1 P advantage. > >Q+P's can in many cases be one of the very EASIEST endings to win. But it is >not the QUANTITY of pawns, but the QUALITY that matter most in Queen endings. >Passed pawns, especially advanced passed pawns, are very dangerous in Queen >endings. It is funny to watch computers play queen endings. They often go pawn >hunting when they should be creating and pushing a passer as fast as they can. It depends on the program. Chessmaster6000 likes to create passed pawns in queen endgames and can evaluate positions with one pawn down as a clear advantage because of the passed pawn. Maybe it is too optimistic about passed pawn because it does not evaluate the chances of the opponent to do perpetual check and there are cases when it evaluates drawn position of KQP vs KQ as a big advantage for the side with the pawn but I think that the evaluation of it is better than the evaluation of other programs in most of the cases. It is the only program(from the programs that I have) that evaluated the position of kasparov against the world(KQP vs KQPP) as a clear advantage for kasparov inspite of the fact that kasparov was a pawn down. Uri
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