Syzygy endgame tablebases

Black is losing with DTZ 106

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

KQBBNvKN.pgn lichess.org

Histogram: KQBBN winning vs. KN (log scale)

Longest KQBBNvKN phases

KQBBNvKN statistics (unique positions)

White wins:
487,400,469,253 (99.9%)
Frustrated white wins:
13,438,930 (0.0%)
Draws:
506,687,945 (0.1%)
Black wins:
1,461,946 (0.0%)
KQBBNvKN.json (?)