Syzygy endgame tablebases

Black is winning with DTZ 109

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

KBNPvKQQ.pgn lichess.org

Histogram: KBNP losing vs. KQQ (log scale)

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Longest KBNPvKQQ phases

KBNPvKQQ statistics (unique positions)

White wins:
6,570,094,480 (0.5%)
Frustrated white wins:
25,372 (0.0%)
Draws:
29,257,248,718 (2.2%)
Frustrated black wins:
334,509,920 (0.0%)
Black wins:
1,268,672,378,462 (97.2%)
KBNPvKQQ.json (?)

KBNPvKQQ dependencies

To probe all KBNPvKQQ positions, these tables and their transitive dependencies are also required:

KQBNvKQQ · KBNPvKQ · KRBNvKQQ · KBBNvKQQ · KQQvKNP · KBNNvKQQ · KQQvKBP · KQQvKBN

KBNPvKQQ.txt KBNPvKQQ.dot