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Syzygy endgame tablebases

White is losing with DTZ 140

Kb6 Loss with DTZ 139

Kc5 Loss with DTZ 11 Kd6 Loss with DTZ 5 Kd7 Loss with DTZ 3 Rf3 Loss with DTZ 1

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

Histogram: KRBP losing (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 (?)