Syzygy endgame tablebases
White to move
Black to move
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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.
KRBPvKQR.pgn
Histogram: KRBP losing vs. KQR (log scale)
Longest KRBPvKQR phases
KRBP winning with DTZ 31
KRBP winning with DTZ 115 (frustrated)
KRBP losing with DTZ 140 (frustrated)
KRBP losing with DTZ 100
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
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