Syzygy endgame tablebases

White is losing with DTZ 189

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


Histogram: KQRP losing vs. KQR (log scale)

Longest KQRPvKQR phases

KQRPvKQR statistics (unique positions)

White wins:
562,911,166,740 (49.7%)
Frustrated white wins:
10,954,265 (0.0%)
130,692,156,422 (11.5%)
Frustrated black wins:
35,036,720 (0.0%)
Black wins:
438,843,036,751 (38.8%)
KQRPvKQR.json (?)