Syzygy endgame tablebases

Black is losing with DTZ 250

Kd4 Loss with DTZ 249

Ke4 Loss with DTZ 27 Kc5 Loss with DTZ 25 Kc6 Loss with DTZ 21 Kd6 Loss with DTZ 21 Ke5 Loss with DTZ 3 Ke6 Loss with DTZ 3

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

KRNPvKBN.pgn lichess.org

Histogram: KRNP winning vs. KBN (log scale)

Longest KRNPvKBN phases

KRNPvKBN statistics (unique positions)

White wins:
1,234,986,406,879 (76.8%)

Frustrated white wins:
8,047,755,230 (0.5%)

Draws:
362,340,021,860 (22.5%)

Frustrated black wins:
19,311,687 (0.0%)

Black wins:
3,620,715,790 (0.2%)

KRNPvKBN.json (?)