Syzygy endgame tablebases

Black is losing with DTZ 104

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


Histogram: KQQN winning vs. KQN (log scale)

Longest KQQNvKQN phases

KQQNvKQN statistics (unique positions)

White wins:
286,548,987,966 (77.9%)
Frustrated white wins:
194 (0.0%)
77,061,993,781 (20.9%)
Black wins:
4,285,355,547 (1.2%)
KQQNvKQN.json (?)