Syzygy endgame tablebases

White is winning with DTZ 101

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


Histogram: KQRR winning vs. KPP (log scale)

Longest KQRRvKPP phases

KQRRvKPP statistics (unique positions)

White wins:
1,074,723,731,308 (99.7%)
Frustrated white wins:
82,340 (0.0%)
2,972,012,124 (0.3%)
Frustrated black wins:
137,648 (0.0%)
Black wins:
697,969,356 (0.1%)
KQRRvKPP.json (?)