Syzygy endgame tablebases

Black is losing with DTZ 126

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


Histogram: KBBNP winning vs. KR (log scale)

Longest KBBNPvKR phases

KBBNPvKR statistics (unique positions)

White wins:
1,319,517,257,372 (84.1%)
Frustrated white wins:
61,647,830 (0.0%)
246,792,206,234 (15.7%)
Black wins:
2,312,004,460 (0.1%)
KBBNPvKR.json (?)