Syzygy endgame tablebases

Black is losing with DTZ 120

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


Histogram: KQR winning vs. KQ (log scale)

Longest KQRvKQ phases

KQRvKQ statistics (unique positions)

White wins:
88,592,076 (73.0%)
Frustrated white wins:
1,336 (0.0%)
15,929,854 (13.1%)
Black wins:
16,771,992 (13.8%)
KQRvKQ.json (?)