Syzygy endgame tablebases

White is losing with DTZ 131

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

KBBNvKRR.pgn lichess.org

Histogram: KBBN losing vs. KRR (log scale)

Longest KBBNvKRR phases

KBBNvKRR statistics (unique positions)

White wins:
37,575,069,652 (8.0%)
Frustrated white wins:
18,524,894 (0.0%)
Draws:
266,973,857,050 (56.7%)
Frustrated black wins:
387,410 (0.0%)
Black wins:
166,189,386,834 (35.3%)
KBBNvKRR.json (?)