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: KQPP winning vs. KRP (log scale)

Longest KQPPvKRP phases

KQPPvKRP statistics (unique positions)

White wins:
703,308,454,576 (83.8%)
Frustrated white wins:
5,691,850 (0.0%)
26,587,209,484 (3.2%)
Frustrated black wins:
1,300,574 (0.0%)
Black wins:
109,061,608,702 (13.0%)
KQPPvKRP.json (?)