Author: Dann Corbit
Date: 18:57:14 05/10/01
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On May 10, 2001 at 21:41:31, Robert Hyatt wrote: >On May 10, 2001 at 20:15:19, Dann Corbit wrote: > >>Consider this position: >>[D]r1b1r1k1/p4pp1/2p4p/n7/2PP4/2N2Nq1/PPQKBnP1/R1B3R1 b - - >>Black is behind in material. Black has a mate in 4. >> >>Suppose at some juncture of the game black could claim checkmate by the 50 move >>rule if black so desired. Would your search algorithm claim the draw or ignore >>it and go for the checkmate? > > >Crafty searches it as a zero-sum game. If it sees a forced mate, it realizes >that the opponent will claim the draw at move 50 if he can... Crafty would not >walk into the draw voluntarily unless it could find nothing better (ie it might >try a pawn push or capture that resets the 50-move counter without giving up >the forced mate opportunity. I mean it the other way around. The opponent has done a 3-repeat or the opponent has gone 50 non-reversible moves. It's your turn to play. Will your program seek the mate or claim the draw or something else
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