Syzygy endgame tablebases

White is winning with DTZ 111

This is a cursed win. Mate can be forced, but a draw can be achieved under the fifty-move rule.

KQRvKQ.pgn lichess.org

Histogram: KQR winning vs. KQ (log scale)

Longest KQRvKQ phases

KQRvKQ statistics (unique positions)

White wins:
88,592,076 (73.0%)
Frustrated white wins:
1,336 (0.0%)
Draws:
15,929,854 (13.1%)
Black wins:
16,771,992 (13.8%)
KQRvKQ.json (?)

KQRvKQ dependencies

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

KQvKR · KQRvK · KQvKQ

KQRvKQ.txt KQRvKQ.dot