Syzygy endgame tablebases

Black is losing with DTZ 136

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


Histogram: KQBN winning vs. KNP (log scale)

Longest KQBNvKNP phases

KQBNvKNP statistics (unique positions)

White wins:
1,374,862,913,772 (90.5%)
Frustrated white wins:
1,221,327,520 (0.1%)
131,071,510,292 (8.6%)
Frustrated black wins:
1,122 (0.0%)
Black wins:
11,863,846,416 (0.8%)
KQBNvKNP.json (?)