Syzygy endgame tablebases

White is losing with DTZ 121

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


Histogram: KBBNP losing vs. KP (log scale)

Longest KBBNPvKP phases

KBBNPvKP statistics (unique positions)

White wins:
1,241,020,493,430 (95.4%)
Frustrated white wins:
102,624,686 (0.0%)
43,956,438,380 (3.4%)
Frustrated black wins:
736,350,288 (0.1%)
Black wins:
14,511,257,176 (1.1%)
KBBNPvKP.json (?)