Syzygy endgame tablebases

White is winning with DTZ 157

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


Histogram: KQRN winning vs. KQB (log scale)

Longest KQRNvKQB phases

KQRNvKQB statistics (unique positions)

White wins:
251,834,839,004 (65.6%)
Frustrated white wins:
604,168 (0.0%)
71,614,126,394 (18.6%)
Black wins:
60,642,403,958 (15.8%)
KQRNvKQB.json (?)