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Syzygy endgame tablebases

White is winning with DTZ 129

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

KQBNvKQ.pgn lichess.org

Histogram: KQBN winning vs. KQ (log scale)

Longest KQBNvKQ phases

KQBNvKQ statistics

5,059,240,505 (69.0%)
6,440 (0.0%)
1,271,634,239 (17.3%)
1,004,512,982 (13.7%)
KQBNvKQ.json (?)