Syzygy endgame tablebases

Black is winning with DTZ 219

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


Histogram: KQPP losing vs. KQR (log scale)

Longest KQPPvKQR phases

KQPPvKQR statistics (unique positions)

White wins:
242,819,698,530 (25.8%)
Frustrated white wins:
22,448,096 (0.0%)
113,968,027,298 (12.1%)
Frustrated black wins:
9,686,248 (0.0%)
Black wins:
582,982,309,960 (62.0%)
KQPPvKQR.json (?)