Syzygy endgame tablebases

Black is losing with DTZ 101

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


Histogram: KQQR winning vs. KP (log scale)

Longest KQQRvKP phases

KQQRvKP statistics (unique positions)

White wins:
23,803,481,830 (99.8%)
Frustrated white wins:
358 (0.0%)
54,399,582 (0.2%)
Black wins:
904,758 (0.0%)
KQQRvKP.json (?)