Syzygy endgame tablebases

Black is losing with DTZ 60

KRRRBvKR.pgn lichess.org

Histogram: KRRRB winning vs. KR (log scale)

Longest KRRRBvKR phases

KRRRBvKR statistics (unique positions)

White wins:
437,508,060,186 (99.8%)
Frustrated white wins:
33,522 (0.0%)
Draws:
638,156,682 (0.1%)
Black wins:
267,261,108 (0.1%)
KRRRBvKR.json (?)