Syzygy endgame tablebases

White is losing with DTZ 142

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


Histogram: KBB losing vs. KQ (log scale)

Longest KBBvKQ phases

KBBvKQ statistics (unique positions)

White wins:
12,181,184 (8.4%)
17,433,199 (12.0%)
Frustrated black wins:
5,115,092 (3.5%)
Black wins:
110,211,519 (76.0%)
KBBvKQ.json (?)