Syzygy endgame tablebases

Tablebase draw

KQBvKQ.pgn lichess.org

Histogram: KQB winning vs. KQ (log scale)

Longest KQBvKQ phases

KQBvKQ statistics

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