Syzygy endgame tablebases

Invalid position

The given position is not a legal chess position.

Histogram: KRRB winning vs. KRN (log scale)

Longest KRRBvKRN phases

KRRBvKRN statistics (unique positions)

White wins:
350,245,413,724 (76.4%)
Frustrated white wins:
970,984 (0.0%)
Draws:
107,011,415,111 (23.3%)
Black wins:
1,370,450,947 (0.3%)
KRRBvKRN.json (?)