Syzygy endgame tablebases

Black is losing with DTZ 50

KRRvKR.pgn lichess.org

Histogram: KRR winning vs. KR (log scale)

Longest KRRvKR phases

KRRvKR statistics (unique positions)

White wins:
117,103,616 (80.7%)
Draws:
27,694,756 (19.1%)
Black wins:
368,076 (0.3%)
KRRvKR.json (?)