Syzygy endgame tablebases

Black is losing with DTZ 192

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


Histogram: KQBBP winning vs. KQ (log scale)

Longest KQBBPvKQ phases

KQBBPvKQ statistics (unique positions)

White wins:
1,068,256,443,610 (85.6%)
Frustrated white wins:
67,890,910 (0.0%)
75,385,726,694 (6.0%)
Frustrated black wins:
5,858,463,546 (0.5%)
Black wins:
98,238,941,248 (7.9%)
KQBBPvKQ.json (?)