Syzygy endgame tablebases

Black is losing with DTZ 102

Ka8 Loss with DTZ 101

Ka6 Loss with DTZ 1 Kc6 Loss with DTZ 1 Kc8 Loss with DTZ 1

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

KQBBPvKP.pgn lichess.org

Histogram: KQBBP winning vs. KP (log scale)

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Longest KQBBPvKP phases

KQBBPvKP statistics (unique positions)

White wins:
1,152,331,900,600 (99.4%)

Frustrated white wins:
1,297,902 (0.0%)

Draws:
4,232,504,794 (0.4%)

Frustrated black wins:
104,605,598 (0.0%)

Black wins:
2,192,526,866 (0.2%)

KQBBPvKP.json (?)

KQBBPvKP dependencies

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

KQQBBvKP · KQBBPvKQ · KBBPvKP · KQRBBvKP · KQBBPvKR · KQBBBvKP · KQBBPvKB · KQBPvKP · KQBBNvKP · KQBBPvKN · KQBBvKP · KQBBPvK

KQBBPvKP.txt KQBBPvKP.dot