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.


Histogram: KRRNP winning vs. KR (log scale)

Longest KRRNPvKR phases

KRRNPvKR statistics (unique positions)

White wins:
1,441,837,191,640 (98.8%)
Frustrated white wins:
78,442 (0.0%)
15,372,545,716 (1.1%)
Black wins:
1,843,089,266 (0.1%)
KRRNPvKR.json (?)