Syzygy endgame tablebases

Invalid position

The given position is not a legal chess position.

Histogram: KRRN losing vs. KRR (log scale)

Longest KRRNvKRR phases

KRRNvKRR statistics (unique positions)

White wins:
160,933,852,332 (37.2%)
Frustrated white wins:
38,263,694,798 (8.8%)
Draws:
207,018,085,544 (47.8%)
Frustrated black wins:
1,126,184 (0.0%)
Black wins:
26,488,119,710 (6.1%)
KRRNvKRR.json (?)