Syzygy endgame tablebases

Black is winning with DTZ 104

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

KQRNvKRB.pgn lichess.org

Histogram: KQRN losing vs. KRB (log scale)

Longest KQRNvKRB phases

KQRNvKRB statistics (unique positions)

White wins:
362,740,465,743 (85.5%)
Draws:
59,812,113,418 (14.1%)
Frustrated black wins:
14,163 (0.0%)
Black wins:
1,712,045,928 (0.4%)
KQRNvKRB.json (?)