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Syzygy endgame tablebases

White is losing with DTZ 140

This is a blessed loss. Mate can be forced, but a draw can be achieved under the fifty-move rule.

KRBPvKQR.pgn

Histogram: KRBP losing vs. KQR (log scale)

Longest KRBPvKQR phases

KRBPvKQR statistics

171,008,748,039 (13.1%)
17,359,393 (0.0%)
199,362,329,923 (15.3%)
24,198,141 (0.0%)
930,560,118,822 (71.5%)
KRBPvKQR.json (?)