Syzygy endgame tablebases

Invalid position

The given position is not a legal chess position.

Histogram: KRBB losing vs. KR (log scale)

Longest KRBBvKR phases

KRBBvKR statistics (unique positions)

White wins:
6,397,603,625 (75.0%)
Frustrated white wins:
66,142 (0.0%)
Draws:
2,124,932,026 (24.9%)
Black wins:
9,635,151 (0.1%)
KRBBvKR.json (?)

KRBBvKR dependencies

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

KBBvKR · KRBBvK · KRBvKR

KRBBvKR.txt KRBBvKR.dot