Syzygy endgame tablebases

Black is losing with DTZ 20

KRRvKB.pgn lichess.org

Histogram: KRR winning vs. KB (log scale)

Longest KRRvKB phases

KRRvKB statistics (unique positions)

White wins:
132,260,538 (86.6%)
Draws:
20,413,144 (13.4%)
KRRvKB.json (?)