Syzygy endgame tablebases

White 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.

KBNPvKQR.pgn lichess.org

Histogram: KBNP losing vs. KQR (log scale)

Longest KBNPvKQR phases

KBNPvKQR statistics (unique positions)

White wins:
65,747,565,558 (4.7%)
Frustrated white wins:
1,207,834 (0.0%)
Draws:
188,187,698,446 (13.5%)
Frustrated black wins:
157,157,644 (0.0%)
Black wins:
1,143,611,130,174 (81.8%)
KBNPvKQR.json (?)