Syzygy endgame tablebases

Black is winning with DTZ 4

KQvKR.pgn lichess.org

Histogram: KQ losing vs. KR (log scale)

Longest KQvKR phases

KQvKR statistics (unique positions)

White wins:
1,991,186 (80.7%)
Draws:
87,481 (3.5%)
Black wins:
388,455 (15.7%)
KQvKR.json (?)

KQvKR dependencies

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

KRvK · KQvK

KQvKR.txt KQvKR.dot