Syzygy endgame tablebases

White is winning with DTZ 19

Kd2+ DTM 24 Win with DTZ 17

Ke1 Draw Ke2+ Draw Qb6+ Draw Qc5 Draw Qe1 Draw Qe3 Draw Qf1 Draw Qf2 Draw Qg2 Draw Qg3 Draw Qg4 Draw Qg5 Draw Qg6+ Draw Qg8 Draw Qh2 Draw

Qh1 DTM 17 Loss with DTZ 3 Qa7 DTM 15 Loss with DTZ 1 Qg7 DTM 13 Loss with DTZ 1 Qd4 DTM 11 Loss with DTZ 1

KQvKQ.pgn lichess.org

Histogram: KQ winning vs. KQ (log scale)

Longest KQvKQ phases

KQvKQ statistics (unique positions)

White wins:
472,305 (21.1%)

Draws:
1,293,822 (57.8%)

Black wins:
472,305 (21.1%)

KQvKQ dependencies

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

KQvKQ.txt KQvKQ.dot