Syzygy endgame tablebases

Invalid position

The given position is not a legal chess position.

Histogram: KQQR winning vs. KQN (log scale)

Longest KQQRvKQN phases

KQQRvKQN statistics (unique positions)

White wins:
325,665,706,630 (94.4%)
Frustrated white wins:
347,926 (0.0%)
Draws:
16,172,915,572 (4.7%)
Black wins:
2,985,474,948 (0.9%)
KQQRvKQN.json (?)

KQQRvKQN dependencies

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

KQRvKQN · KQQRvKN · KQQvKQN · KQQRvKQ

KQQRvKQN.txt KQQRvKQN.dot