Syzygy endgame tablebases

Black is losing with DTZ 72

KBBNvKB.pgn lichess.org

Histogram: KBBN winning vs. KB (log scale)

Longest KBBNvKB phases

KBBNvKB statistics (unique positions)

White wins:
5,601,893,548 (59.1%)
Draws:
3,870,972,329 (40.9%)
Black wins:
342,029 (0.0%)
KBBNvKB.json (?)