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.


Histogram: KQR losing vs. KRB (log scale)

Longest KQRvKRB phases

KQRvKRB statistics (unique positions)

White wins:
5,661,869,920 (76.0%)
1,737,367,398 (23.3%)
Frustrated black wins:
10,963 (0.0%)
Black wins:
53,109,253 (0.7%)
KQRvKRB.json (?)