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Syzygy endgame tablebases

Black is winning with DTZ 249

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

KQBBvKQQ.pgn

Histogram: KQBB losing (log scale)

Longest KQBBvKQQ phases

KQBBvKQQ statistics

73,255,125,086 (21.6%)
47,379,422 (0.0%)
66,887,261,032 (19.7%)
2,955,100,724 (0.9%)
196,135,819,030 (57.8%)
KQBBvKQQ.json (?)