Syzygy endgame tablebases

White is losing with DTZ 135

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

KQQvKQR.pgn lichess.org

Histogram: KQQ losing vs. KQR (log scale)

Longest KQQvKQR phases

KQQvKQR statistics (unique positions)

White wins:
3,399,979,722 (57.8%)
Draws:
955,720,162 (16.3%)
Frustrated black wins:
115,824 (0.0%)
Black wins:
1,524,420,166 (25.9%)
KQQvKQR.json (?)

KQQvKQR dependencies

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

KQRvKQ · KQQvKR · KQQvKQ

KQQvKQR.txt KQQvKQR.dot