Syzygy endgame tablebases

Black is losing with DTZ 10

KRRRBNvK.pgn lichess.org

Histogram: KRRRBN winning vs. K (log scale)

Longest KRRRBNvK phases

KRRRBNvK statistics

486,496,962,927 (98.6%)
7,069,706,853 (1.4%)
KRRRBNvK.json (?)