Syzygy endgame tablebases

Invalid position

The given position is not a legal chess position.

Histogram: KQRB winning vs. KBN (log scale)

Longest KQRBvKBN phases

KQRBvKBN statistics (unique positions)

White wins:
431,497,630,613 (96.3%)
Frustrated white wins:
6,409,445,142 (1.4%)
Draws:
10,217,109,929 (2.3%)
Black wins:
23,813,934 (0.0%)
KQRBvKBN.json (?)

KQRBvKBN dependencies

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

KRBvKBN · KQBvKBN · KQRvKBN · KQRBvKN · KQRBvKB

KQRBvKBN.txt KQRBvKBN.dot