Syzygy endgame tablebases

White is winning with DTZ 117

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


Histogram: KQRB winning vs. KRR (log scale)

Longest KQRBvKRR phases

KQRBvKRR statistics (unique positions)

White wins:
301,166,687,907 (76.9%)
Frustrated white wins:
12,086,846 (0.0%)
83,304,545,095 (21.3%)
Frustrated black wins:
4,472 (0.0%)
Black wins:
7,124,397,362 (1.8%)
KQRBvKRR.json (?)