Syzygy endgame tablebases

Tablebase draw

KQvKRN.pgn lichess.org

Histogram: KQ losing vs. KRN (log scale)

Longest KQvKRN phases

KQvKRN statistics (unique positions)

White wins:
70,833,332 (49.5%)
Draws:
44,239,143 (30.9%)
Black wins:
27,985,439 (19.6%)
KQvKRN.json (?)

KQvKRN dependencies

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

KRNvK · KQvKN · KQvKR

KRNvKQ.txt KRNvKQ.dot