Syzygy endgame tablebases

Black is losing DTZ 9

Ke4 Loss with DTZ 8 Kc4 Loss with DTZ 7 Ke2 Loss with DTZ 7 Ke3 Loss with DTZ 7

KQRBBvK.pgn lichess.org

Histogram: KQRBB winning vs. K (log scale)

Longest KQRBBvK phases

KQRBB winning with DTZ 9

KQRBBvK statistics (unique positions)

White wins:
8,317,059,529 (98.4%)

Draws:
136,780,879 (1.6%)

KQRBBvK.json (?)

KQRBBvK dependencies

To probe all KQRBBvK positions, these tables and their transitive dependencies are also required:

KRBBvK · KQBBvK · KQRBvK

KQRBBvK.txt KQRBBvK.dot