Syzygy endgame tablebases

Black is losing with DTZ 102

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

KQBBNvKP.pgn lichess.org

Histogram: KQBBN winning vs. KP (log scale)

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Longest KQBBNvKP phases

KQBBNvKP statistics (unique positions)

White wins:
1,518,598,746,890 (99.6%)
Frustrated white wins:
493,730 (0.0%)
Draws:
5,236,506,218 (0.3%)
Frustrated black wins:
110,860,440 (0.0%)
Black wins:
957,770,882 (0.1%)
KQBBNvKP.json (?)

KQBBNvKP dependencies

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

KQBBNvKQ · KBBNvKP · KQBBNvKR · KQBBNvKB · KQBNvKP · KQBBNvKN · KQBBvKP · KQBBNvK

KQBBNvKP.txt KQBBNvKP.dot