Syzygy endgame tablebases

Black is losing with DTZ 12

KRRBNNvK.pgn lichess.org

Histogram: KRRBNN winning vs. K (log scale)

Longest KRRBNNvK phases

KRRBNNvK statistics (unique positions)

White wins:
513,733,114,562 (99.0%)
Draws:
5,067,647,718 (1.0%)
KRRBNNvK.json (?)