Author: Larry Griffiths
Date: 10:40:09 09/25/00
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On September 25, 2000 at 06:45:34, Ricardo Gibert wrote: >Which of the following is the most effective for a chess playing computer >program: >(1) Never consider underpromotions. >(2) Allow consideration of underpromotions. >(3) Only consider underpromotions if promoting to a Queen leads to a stalemate >or if underpromoting to a Knight gives check. I would guess that promoting to different piece types at ply 1 would let the search determine which type of promotion was best. If promotion to a Queen leads to a stalemate, and your evaluation routine says don't accept stalemates when ahead in material, then the underpromotion should win out... Larry.
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