Syzygy endgame tablebases
White to move
Black to move
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Black is losing with DTZ 20
Kf4
DTM 19
Loss with DTZ 19
Kd4
DTM 15
Loss with DTZ 15
Ke6
DTM 15
Loss with DTZ 15
Kf5
DTM 15
Loss with DTZ 15
Kf6
DTM 15
Loss with DTZ 15
Kd6
DTM 11
Loss with DTZ 11
KQvK.pgn
lichess.org
Histogram: KQ winning vs. K (log scale)
Longest KQvK phases
KQ winning with DTZ 20
KQvK statistics (unique positions)
White wins:
43,241 (93.7%)
Draws:
2,896 (6.3%)
KQvK.json
(?)
KQvK dependencies
KQvK.txt
KQvK.dot