Author: Dan Andersson
Date: 13:32:15 11/19/01
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I would say that you are a tad optimistic. These kinds of endgames need search or a search analog, or explicit knowledge, EGTB. There are a few analogous positions that are won for black. First two drawn: [D]8/7p/3k2p1/8/3K4/7P/8/8 b - - 0 1 [D]8/7p/3k2p1/8/3K4/7P/8/8 w - - 0 1 and four won: [D]8/6pp/3k4/8/3K4/7P/8/8 b - - 0 1 [D]8/7p/3k4/6p1/3K4/7P/8/8 b - - 0 1 [D]8/6p1/3k4/7p/3K4/7P/8/8 b - - 0 1 [D]8/6p1/3k3p/8/3K4/7P/8/8 w - - 0 1 This last position is interesting because the move 1... h4 leads to a draw due to the fact that 2. Ke4 Ke6 3. Kf4 Kf6 4. Kg4 g5 is a stone draw. Highligting the fact that the pawn formation h4/g5 is not winning automagically. [D]8/6p1/k6p/8/K7/7P/8/8 b - - 0 1 This position is interesting if you only use 3 and 4 piece TBs. Does Yace have a search depth limit, Dieter? Yace runs smack to ply 62 in this position. Because the program have to be able to evaluate this kind of position accurately. [D]8/8/k7/6p1/3K3p/7P/8/8 b - - 0 4 statically or [D]8/8/k7/8/4K2p/6pP/8/8 w - - 0 6 this position. MvH Dan Andersson
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