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.

KQBNvKN.pgn lichess.org

Histogram: KQBN winning vs. KN (log scale)

Longest KQBNvKN phases

KQBNvKN statistics (unique positions)

White wins:
8,232,781,168 (93.5%)
Frustrated white wins:
1,183,626 (0.0%)
Draws:
571,791,983 (6.5%)
Black wins:
20,609 (0.0%)
KQBNvKN.json (?)