Syzygy endgame tablebases

White is winning with DTZ 4

KQBvKQ.pgn lichess.org

Histogram: KQB winning vs. KQ (log scale)

Longest KQBvKQ phases

KQBvKQ statistics (unique positions)

White wins:
37,635,942 (29.6%)
Draws:
68,349,763 (53.8%)
Black wins:
20,981,977 (16.5%)
KQBvKQ.json (?)

KQBvKQ dependencies

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

KQvKB · KQBvK · KQvKQ

KQBvKQ.txt KQBvKQ.dot