Syzygy endgame tablebases

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

43,241 (93.7%)

2,896 (6.3%)