Syzygy endgame tablebases

Black is winning with DTZ 4

KQPvKR.pgn lichess.org

Histogram: KQP losing vs. KR (log scale)

Longest KQPvKR phases

KQPvKR statistics

380,175,250 (85.6%)
15,608,336 (3.5%)
48,565,601 (10.9%)
KQPvKR.json (?)