Syzygy endgame tablebases

White is losing with DTZ 140

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

KRBPvKQR.pgn lichess.org

Histogram: KRBP losing vs. KQR (log scale)

Longest KRBPvKQR phases

KRBPvKQR statistics (unique positions)

White wins:
171,008,748,039 (13.1%)
Frustrated white wins:
17,359,393 (0.0%)
Draws:
199,362,329,923 (15.3%)
Frustrated black wins:
24,198,141 (0.0%)
Black wins:
930,560,118,822 (71.5%)
KRBPvKQR.json (?)