Syzygy endgame tablebases

Black is losing with DTZ 102

This is a blessed loss. Mate can be forced, but a draw can be achieved under the fifty-move rule.

KRRNvKP.pgn lichess.org

Histogram: KRRN winning vs. KP (log scale)

Longest KRRNvKP phases

KRRNvKP statistics (unique positions)

White wins:
27,913,884,996 (98.9%)
Frustrated white wins:
171,970 (0.0%)
Draws:
258,804,976 (0.9%)
Black wins:
42,695,134 (0.2%)
KRRNvKP.json (?)