Syzygy endgame tablebases

White is winning with DTZ 1

Qxe4DTM 16Zeroing Qa5+Win with DTZ 4 Qa7+Win with DTZ 6 Ka7Win with DTZ 8 Qb4Win with DTZ 10 Qc2+Win with DTZ 10 Qc4+Win with DTZ 10 Qd4Win with DTZ 10 Qa3Win with DTZ 12 Qb5Win with DTZ 14 Qa1Win with DTZ 16 Qa2Win with DTZ 16 Qd1Win with DTZ 18

Qxd7+Draw Qa6Draw Qb3Draw Qc6+Draw Ba2Draw Bb3Draw Bc4Draw Bd5Draw Be6Draw Bf7Draw Bh7Draw

KQBvKNN.pgn lichess.org

Histogram: KQB winning vs. KNN (log scale)

⋮

Longest KQBvKNN phases

KQBvKNN statistics (unique positions)

White wins:
7,298,521,694 (84.7%)

Frustrated white wins:
76,252 (0.0%)

Draws:
1,322,747,476 (15.3%)

Black wins:
338,352 (0.0%)

KQBvKNN.json (?)

KQBvKNN dependencies

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

KNNvKB · KNNvKQ · KQBvKN

KQBvKNN.txt KQBvKNN.dot