Syzygy endgame tablebases

Black is losing with DTZ 156

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


Histogram: KRBN winning vs. KRP (log scale)

Longest KRBNvKRP phases

KRBNvKRP statistics (unique positions)

White wins:
1,000,299,127,734 (66.0%)
Frustrated white wins:
61,815,119 (0.0%)
433,181,248,069 (28.6%)
Frustrated black wins:
27,350,727 (0.0%)
Black wins:
83,090,497,309 (5.5%)
KRBNvKRP.json (?)