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.

KRBBvKNN.pgn lichess.org

Histogram: KRBB winning vs. KNN (log scale)

Longest KRBBvKNN phases

KRBBvKNN statistics (unique positions)

White wins:
437,120,367,594 (85.4%)
Frustrated white wins:
23,801,023,500 (4.7%)
Draws:
50,808,410,124 (9.9%)
Black wins:
30,096,830 (0.0%)
KRBBvKNN.json (?)