Syzygy endgame tablebases

Black is losing with DTZ 120

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

KRBPvKR.pgn lichess.org

Histogram: KRBP winning vs. KR (log scale)

Longest KRBPvKR phases

KRBPvKR statistics (unique positions)

White wins:
21,074,113,456 (78.1%)
Frustrated white wins:
150,706 (0.0%)
Draws:
5,808,530,960 (21.5%)
Black wins:
86,532,458 (0.3%)
KRBPvKR.json (?)