Syzygy endgame tablebases

Black is losing with DTZ 101

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


Histogram: KQQR winning vs. KNN (log scale)

Longest KQQRvKNN phases

KQQRvKNN statistics (unique positions)

White wins:
418,997,830,798 (99.9%)
Frustrated white wins:
7,500 (0.0%)
333,425,624 (0.1%)
Black wins:
8,806,794 (0.0%)
KQQRvKNN.json (?)