Checkers endgame tablebase: all positions with four pieces or fewer, solved exactly
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A complete endgame tablebase for American checkers (English draughts): 6,408,836 positions with four pieces or fewer, each with an exact result (win, loss or draw) and an exact distance to the end in plies. The longest forced win takes 109 plies. Distributed as a single byte array, one byte per slot, 1.82 MB gzipped, with a dependency-free Python reader and a full specification of the indexing scheme.
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Zenodo创建时间：
2026-09-27
