Syzygy endgame tablebases

Black is losing with DTZ 520

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


Histogram: KRNP winning vs. KRB (log scale)

Longest KRNPvKRB phases

KRNPvKRB statistics (unique positions)

White wins:
482,604,885,809 (32.0%)
Frustrated white wins:
1,931,334,586 (0.1%)
835,558,278,751 (55.4%)
Frustrated black wins:
10,011,184 (0.0%)
Black wins:
189,316,426,288 (12.5%)
KRNPvKRB.json (?)