Syzygy endgame tablebases

Black is losing with DTZ 128

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


Histogram: KQRP winning vs. KRR (log scale)

Longest KQRPvKRR phases

KQRPvKRR statistics (unique positions)

White wins:
932,338,520,258 (75.4%)
Frustrated white wins:
1,488,688 (0.0%)
149,366,864,338 (12.1%)
Frustrated black wins:
63,628 (0.0%)
Black wins:
154,574,149,722 (12.5%)
KQRPvKRR.json (?)