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Syzygy endgame tablebases

Black is losing with DTZ 490

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

KRRBvKQP.pgn

Histogram: KRRB winning (log scale)

Longest KRRBvKQP phases

KRRBvKQP statistics

763,777,542,062 (58.9%)
775,150,920 (0.1%)
263,488,895,386 (20.3%)
187,339,158 (0.0%)
269,440,711,310 (20.8%)
KRRBvKQP.json (?)