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Syzygy endgame tablebases

Black is losing with DTZ 8

KQRRBNvK.pgn lichess.org

Histogram: KQRRBN winning vs. K (log scale)

Longest KQRRBNvK phases

KQRRBNvK statistics

460,348,255,392 (97.8%)
10,460,420,226 (2.2%)
KQRRBNvK.json (?)