Syzygy endgame tablebases

White is losing with DTZ 150

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


Histogram: KBBNN losing vs. KQ (log scale)

Longest KBBNNvKQ phases

KBBNNvKQ statistics (unique positions)

White wins:
176,518,051,986 (37.9%)
Frustrated white wins:
339,409,288 (0.1%)
212,386,947,236 (45.6%)
Frustrated black wins:
3,608,609,464 (0.8%)
Black wins:
72,560,656,318 (15.6%)
KBBNNvKQ.json (?)