Syzygy endgame tablebases

Black is losing with DTZ 140

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


Histogram: KQP winning vs. KRR (log scale)

Longest KQPvKRR phases

KQPvKRR statistics (unique positions)

White wins:
8,782,136,896 (37.5%)
Frustrated white wins:
179,174 (0.0%)
7,954,935,866 (34.0%)
Black wins:
6,683,921,736 (28.5%)
KQPvKRR.json (?)