Syzygy endgame tablebases

Black is winning with DTZ 14

KRRNvKRN.pgn lichess.org

Histogram: KRRN losing vs. KRN (log scale)

Longest KRRNvKRN phases

KRRNvKRN statistics (unique positions)

White wins:
350,072,532,162 (74.8%)
Frustrated white wins:
482,410 (0.0%)
Draws:
115,904,109,986 (24.8%)
Black wins:
1,779,938,834 (0.4%)
KRRNvKRN.json (?)