Syzygy endgame tablebases

Black is losing with DTZ 10

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

KRRRBBvK.pgn lichess.org

Histogram: KRRRBB winning vs. K (log scale)

Longest KRRRBBvK phases

KRRRBB winning with DTZ 11

KRRRBBvK statistics (unique positions)

White wins:
478,709,053,884 (98.4%)

Draws:
7,805,278,032 (1.6%)

KRRRBBvK.json (?)