Syzygy endgame tablebases

Invalid position

The given position is not a legal chess position.

Histogram: KQ losing vs. KNN (log scale)

Longest KQvKNN phases

KQvKNN statistics (unique positions)

White wins:
113,353,637 (73.4%)
Frustrated white wins:
30,890 (0.0%)
Draws:
40,993,991 (26.6%)
Black wins:
5,704 (0.0%)
KQvKNN.json (?)

KQvKNN dependencies

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

KNNvK · KQvKN

KNNvKQ.txt KNNvKQ.dot