Author: Bruce Moreland
Date: 16:01:17 11/24/98
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On November 24, 1998 at 15:07:28, Howard Exner wrote: >2B5/k7/8/K7/4B3/8/8/8 w - - id drawend1; >8/1Q6/8/8/8/8/p4K2/k7 w - - id drawend2; >8/2Q5/8/8/8/6K1/2p5/2k5 b - - id drawend3; >5nrb/2q2Pn1/6pk/8/6K1/8/8/8 w - - id drawend4: >8/8/8/7p/6kp/4b3/7K/8 w - - id drawend5; >8/8/8/8/3b4/p2k4/P7/1K6 b - - id drawend6; >8/8/8/3k4/4q3/5R2/6P1/6K1 b - - id drawend7; >8/4k3/6K1/8/4N1N1/8/8/8 w - - id drawend8; > >Do programs know that these 8 positions are drawn? >How important is it it to include this specific >endgame knowledge? - From both programmer and consumer >perspective. > >I think most programs will know the draw with KNN vs K >or the rook pawn with the wrong colored bishop. That's a good set. The hardest ones are the Q vs P endings, meaning that the knowledge is hardest to codify in those. I don't think you can just say "return 0" in those cases because there are some that are won. However, they are easily solved with tables. The KBP vs KP is also a nice trick. You can move the ram a file to the right and that's another good one, which actually cost mine a half-point once in a slower game against an IM. Not anymore. bruce
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