Syzygy endgame tablebases
White to move
Black to move
JavaScript required for interactive board view.
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
Histogram: KRRRBB winning vs. K (log scale)
Longest KRRRBBvK phases
KRRRBB winning with DTZ 11
KRRRBBvK statistics
478,709,053,884 (98.4%)
7,805,278,032 (1.6%)
KRRRBBvK.json
(?)