Syzygy endgame tablebases

Invalid position

The given position is not a legal chess position.

Histogram: KRRB winning vs. KP (log scale)

Longest KRRBvKP phases

KRRBvKP statistics (unique positions)

White wins:
27,490,738,818 (99.1%)
Frustrated white wins:
74,348 (0.0%)
Draws:
218,822,138 (0.8%)
Black wins:
20,903,020 (0.1%)
KRRBvKP.json (?)

KRRBvKP dependencies

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

KRRBvKQ · KRRBvKR · KRBvKP · KRRBvKB · KRRvKP · KRRBvKN · KRRBvK

KRRBvKP.txt KRRBvKP.dot