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: KQRB winning vs. KBN (log scale)

Longest KQRBvKBN phases

KQRBvKBN statistics (unique positions)

White wins:
431,497,630,613 (96.3%)
Frustrated white wins:
6,409,445,142 (1.4%)
10,217,109,929 (2.3%)
Black wins:
23,813,934 (0.0%)
KQRBvKBN.json (?)