Syzygy endgame tablebases

Black is losing with DTZ 165

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


Histogram: KRB winning vs. KBB (log scale)

Longest KRBvKBB phases

KRBvKBB statistics (unique positions)

White wins:
2,596,523,680 (29.5%)
Frustrated white wins:
7,541,509 (0.1%)
6,183,435,937 (70.2%)
Black wins:
17,200,252 (0.2%)
KRBvKBB.json (?)