Syzygy endgame tablebases

Black is losing with DTZ 244

Ra2 Loss with DTZ 243 Rh2+ Loss with DTZ 185

Rb2 Loss with DTZ 35 Rd2 Loss with DTZ 17 Rf2 Loss with DTZ 17 Rc2 Loss with DTZ 1 Re2 Loss with DTZ 1 Rg1+ Loss with DTZ 1 Kf2 Loss with DTZ 1 Kf3 Loss with DTZ 1 Kg4 Loss with DTZ 1 Kh4 Loss with DTZ 1 Kxf4 Zeroing

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

KRNPvKRP.pgn lichess.org

Histogram: KRNP winning vs. KRP (log scale)

Longest KRNPvKRP phases

KRNPvKRP statistics (unique positions)

White wins:
691,349,437,530 (58.2%)

Frustrated white wins:
38,673,513 (0.0%)

Draws:
343,625,083,146 (28.9%)

Frustrated black wins:
3,783,140 (0.0%)

Black wins:
152,954,007,460 (12.9%)

KRNPvKRP.json (?)