Syzygy endgame tablebases

Invalid position

The given position is not a legal chess position.

Histogram: KQQR winning vs. KRR (log scale)

Longest KQQRvKRR phases

KQQRvKRR statistics (unique positions)

White wins:
343,356,348,150 (98.2%)
Draws:
3,709,483,734 (1.1%)
Black wins:
2,514,048,672 (0.7%)
KQQRvKRR.json (?)

KQQRvKRR dependencies

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

KQRvKRR · KQQvKRR · KQQRvKR

KQQRvKRR.txt KQQRvKRR.dot