Syzygy endgame tablebases

Black is losing with DTZ 142

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


Histogram: KQR winning vs. KQN (log scale)

Longest KQRvKQN phases

KQRvKQN statistics (unique positions)

White wins:
3,577,550,741 (51.4%)
Frustrated white wins:
23,480 (0.0%)
2,136,958,749 (30.7%)
Black wins:
1,251,184,522 (18.0%)
KQRvKQN.json (?)