Fix crazyhouse hash keys #99
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Add pieces in hand to Zobrist hashing to avoid hash collisions. Measured to be an improvement even at very short time control: ELO: 92.46 +-69.2 (95%) LOS: 99.7% Total: 100 W: 60 L: 34 D: 6
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Excellent. Given the high likelihood of "transpositions" (where White drops any piece and Black immediately captures it) this is expected to be an improvement. |
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Add pieces in hand to Zobrist hashing to avoid hash collisions.
Measured to be an improvement even at very short time control:
ELO: 92.46 +-69.2 (95%) LOS: 99.7%
Total: 100 W: 60 L: 34 D: 6