Syzygy endgame tablebases

Black is winning with DTZ 56

KRBNvKQ.pgn lichess.org

Histogram: KRBN losing vs. KQ (log scale)

Longest KRBNvKQ phases

KRBNvKQ statistics (unique positions)

White wins:
2,387,162,558 (29.9%)
Frustrated white wins:
1,436,216 (0.0%)
Draws:
3,769,142,851 (47.2%)
Black wins:
1,820,891,497 (22.8%)
KRBNvKQ.json (?)

KRBNvKQ dependencies

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

KRBNvK · KBNvKQ · KRNvKQ · KRBvKQ

KRBNvKQ.txt KRBNvKQ.dot