Syzygy endgame tablebases

White is winning with DTZ 91

Ba6+ Win with DTZ 89

Be4+ Draw Ke1 Draw Qa4 Draw Qf4 Draw Qg3+ Draw Qg5 Draw Qh3+ Draw Qh6 Draw

KQBvKQB.pgn lichess.org

Histogram: KQB winning vs. KQB (log scale)

Longest KQBvKQB phases

KQBvKQB statistics (unique positions)

White wins:
1,669,127,842 (23.6%)

Draws:
3,728,220,264 (52.8%)

Black wins:
1,669,127,842 (23.6%)

KQBvKQB.json (?)

KQBvKQB dependencies

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

KQBvKB · KQBvKQ

KQBvKQB.txt KQBvKQB.dot