Syzygy endgame tablebases

Black is losing with DTZ 28

KRBBNvKB.pgn lichess.org

Histogram: KRBBN winning vs. KB (log scale)

Longest KRBBNvKB phases

KRBBNvKB statistics (unique positions)

White wins:
494,755,791,418 (97.7%)
Draws:
11,611,854,322 (2.3%)
Black wins:
11,224,692 (0.0%)
KRBBNvKB.json (?)