Syzygy endgame tablebases

Black is winning with DTZ 13

KRRvKRN.pgn lichess.org

Histogram: KRR losing vs. KRN (log scale)

Longest KRRvKRN phases

KRRvKRN statistics

3,483,749,812 (42.1%)
66,776 (0.0%)
4,743,405,560 (57.3%)
49,563,668 (0.6%)
KRRvKRN.json (?)