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: KQRNP winning vs. KQ (log scale)

Longest KQRNPvKQ phases

KQRNPvKQ statistics (unique positions)

White wins:
1,090,031,319,697 (88.2%)
Frustrated white wins:
28,305,739 (0.0%)
115,424,722,653 (9.3%)
Frustrated black wins:
15,208,040 (0.0%)
Black wins:
30,725,692,151 (2.5%)
KQRNPvKQ.json (?)