Syzygy endgame tablebases

Black is losing with DTZ 348

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

KQNPvKQB.pgn lichess.org

Histogram: KQNP winning vs. KQB (log scale)

Longest KQNPvKQB phases

KQNPvKQB statistics (unique positions)

White wins:
432,078,435,234 (33.9%)
Frustrated white wins:
269,703,847 (0.0%)
Draws:
558,142,914,203 (43.8%)
Frustrated black wins:
1,591 (0.0%)
Black wins:
283,517,452,527 (22.3%)
KQNPvKQB.json (?)

KQNPvKQB dependencies

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

KQQNvKQB · KQBvKNP · KQNPvKB · KQRNvKQB · KQBNvKQB · KQNPvKQ · KQNNvKQB · KQBvKQP · KQBvKQN

KQNPvKQB.txt KQNPvKQB.dot