Syzygy endgame tablebases

White is winning with DTZ 119

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

KRBBvKBB.pgn lichess.org

Histogram: KRBB winning vs. KBB (log scale)

Longest KRBBvKBB phases

KRBBvKBB statistics (unique positions)

White wins:
353,965,246,814 (73.3%)
Frustrated white wins:
120,727,814 (0.0%)
Draws:
128,870,291,468 (26.7%)
Black wins:
231,139,136 (0.0%)
KRBBvKBB.json (?)