Syzygy endgame tablebases

Invalid position

The given position is not a legal chess position.

Histogram: KRR losing vs. KBB (log scale)

Longest KRRvKBB phases

KRRvKBB statistics (unique positions)

White wins:
5,753,909,184 (68.6%)
Draws:
2,615,367,742 (31.2%)
Black wins:
15,733,380 (0.2%)
KRRvKBB.json (?)

KRRvKBB dependencies

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

KBBvKR · KRRvKB

KRRvKBB.txt KRRvKBB.dot