Syzygy endgame tablebases

Black is losing with DTZ 118

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


Histogram: KRBBN winning vs. KR (log scale)

Longest KRBBNvKR phases

KRBBNvKR statistics (unique positions)

White wins:
460,042,639,470 (95.2%)
Frustrated white wins:
4,813,258 (0.0%)
22,616,608,775 (4.7%)
Black wins:
433,857,113 (0.1%)
KRBBNvKR.json (?)