Author: Russell Reagan
Date: 19:12:07 11/25/02
I'd like to know which free engines support the perft command, and more specifically, if any will work with illegal positions. For example, I'd like to do some testing of specific parts of my move generator, and so I'd like to be able to do something like perft on a position like: [D]8/8/5N2/8/3N4/8/8/8 w - - 0 1 And just be able to test knight non-captures (for example). When I tried this with Crafty, it adds a white king on e1 (but not a black one, which was odd). Yace simply doesn't accept the position, and I don't know which other engines support perft. I tried a few others with a position containing only a pawn on d4, and they all gave odd results, like 16, 6, etc. for perft 1.
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