Syzygy endgame tablebases

Black is losing with DTZ 128

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


Histogram: KQBNN winning vs. KQ (log scale)

Longest KQBNNvKQ phases

KQBNNvKQ statistics (unique positions)

White wins:
355,730,020,432 (85.3%)
Frustrated white wins:
1,692,800 (0.0%)
41,452,975,296 (9.9%)
Frustrated black wins:
5,968,278 (0.0%)
Black wins:
19,631,366,674 (4.7%)
KQBNNvKQ.json (?)