Syzygy endgame tablebases

Black is losing with DTZ 108

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


Histogram: KQRB winning vs. KRN (log scale)

Longest KQRBvKRN phases

KQRBvKRN statistics (unique positions)

White wins:
376,590,535,852 (88.3%)
Frustrated white wins:
215,057 (0.0%)
49,149,486,745 (11.5%)
Black wins:
919,668,852 (0.2%)
KQRBvKRN.json (?)