Syzygy endgame tablebases

White is losing with DTZ 147

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


Histogram: KQQN losing vs. KQR (log scale)

Longest KQQNvKQR phases

KQQNvKQR statistics (unique positions)

White wins:
220,386,871,352 (65.2%)
Frustrated white wins:
1,282 (0.0%)
81,276,974,538 (24.1%)
Frustrated black wins:
1,398,376 (0.0%)
Black wins:
36,136,259,192 (10.7%)
KQQNvKQR.json (?)