Syzygy endgame tablebases

Black is losing with DTZ 6

Kd5DTM 5Loss with DTZ 5 Ke5DTM 5Loss with DTZ 5 Kc5DTM 5Loss with DTZ 3 Kc4DTM 3Loss with DTZ 3

KQRRvK.pgn lichess.org

Histogram: KQRR winning vs. K (log scale)

Longest KQRRvK phases

KQRR winning with DTZ 8

KQRRvK statistics (unique positions)

White wins:
140,909,149 (98.6%)

Draws:
2,013,946 (1.4%)

KQRRvK.json (?)

KQRRvK dependencies

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

KQRRvK.txt KQRRvK.dot