Syzygy endgame tablebases

Black is losing with DTZ 250

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


Histogram: KRNP winning vs. KBN (log scale)

Longest KRNPvKBN phases

KRNPvKBN statistics (unique positions)

White wins:
1,234,986,406,879 (76.8%)
Frustrated white wins:
8,047,755,230 (0.5%)
362,340,021,860 (22.5%)
Frustrated black wins:
19,311,687 (0.0%)
Black wins:
3,620,715,790 (0.2%)
KRNPvKBN.json (?)