Syzygy endgame tablebases

Black is losing with DTZ 8

Kd5 Loss with DTZ 7 Ke5 Loss with DTZ 7 Kf3 Loss with DTZ 7 Kf4 Loss with DTZ 7 Kf5 Loss with DTZ 7 Ke3 Loss with DTZ 5

KQRRRBvK.pgn lichess.org

Histogram: KQRRRB winning vs. K (log scale)

Longest KQRRRBvK phases

KQRRRB winning with DTZ 9

KQRRRBvK statistics (unique positions)

White wins:
437,607,418,512 (97.3%)

Draws:
12,245,852,286 (2.7%)

KQRRRBvK.json (?)