Syzygy endgame tablebases

Black is winning with DTZ 114

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

KQBNvKRB.pgn lichess.org

Histogram: KQBN losing vs. KRB (log scale)

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Longest KQBNvKRB phases

KQBNvKRB statistics (unique positions)

White wins:
349,433,234,278 (79.3%)
Draws:
60,809,653,151 (13.8%)
Frustrated black wins:
13,774,567,561 (3.1%)
Black wins:
16,811,438,422 (3.8%)
KQBNvKRB.json (?)