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Syzygy endgame tablebases

Tablebase draw

KQBvKR.pgn lichess.org

Histogram: KQB losing vs. KR (log scale)

Longest KQBvKR phases

KQBvKR statistics

116,997,291 (83.3%)
22,796,331 (16.2%)
579,172 (0.4%)
KQBvKR.json (?)