Syzygy endgame tablebases

Black is losing with DTZ 112

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

KRBNvKR.pgn lichess.org

Histogram: KRBN winning vs. KR (log scale)

Longest KRBNvKR phases

KRBNvKR statistics (unique positions)

White wins:
6,568,669,961 (75.1%)
Frustrated white wins:
35,177 (0.0%)
Draws:
2,170,132,990 (24.8%)
Black wins:
13,143,790 (0.2%)
KRBNvKR.json (?)