Syzygy endgame tablebases

Black is losing with DTZ 8

KQRRBBvK.pgn lichess.org

Histogram: KQRRBB winning vs. K (log scale)

Longest KQRRBBvK phases

KQRRBBvK statistics (unique positions)

White wins:
452,365,943,750 (97.6%)
Draws:
11,251,497,102 (2.4%)
KQRRBBvK.json (?)