Author: James Robertson
Date: 10:42:04 02/06/99
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On February 06, 1999 at 11:27:39, Larry Griffiths wrote: >On February 05, 1999 at 21:11:23, James Robertson wrote: > >>My program is losing too many half-points by 3rd repetition draws. How do other >>programs detect these draws? >> >>Thanks! >>James > >Hi James, > >You are not alone. My program is doing the same thing when playing the >CM6000 Wendy personality. My program is up 1 to 3 minor pieces and >CM6000 finds repetitive moves to make and the game ends up in a draw. >I am thinking of keeping an Array of bitboards and scanning through >them for duplicate positions. If my program is behind in material, >then I would assign a bonus for making repetitive moves. If my program >is ahead in material, then I would assign a penalty for making repetitive >moves. That reminds me, I need to get en-passant implemented as this >is hurting the strength of my program. Yeah.... my program lost a spectacular game to Arasan because it missed an EP. It does better now that I put it in. One of the biggest problems in my program now is that xray attacks are not considered during SSE. This causes it to lose a lot of pinned pieces..... James > >Good Luck! > >Larry.
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