Syzygy endgame tablebases

Black is losing with DTZ 10

Ke3 Loss with DTZ 9 Kf3 Loss with DTZ 9 Kf2 Loss with DTZ 7 Kf1 Loss with DTZ 5 Ke1 Loss with DTZ 3

KRRRBNvK.pgn lichess.org

Histogram: KRRRBN winning vs. K (log scale)

Longest KRRRBNvK phases

KRRRBN winning with DTZ 11

KRRRBNvK statistics (unique positions)

White wins:
486,496,962,927 (98.6%)

Draws:
7,069,706,853 (1.4%)

KRRRBNvK.json (?)