Syzygy endgame tablebases

White is winning with DTZ 1

KRBBBvKR.pgn lichess.org

Histogram: KRBBB winning vs. KR (log scale)

Longest KRBBBvKR phases

KRBBBvKR statistics (unique positions)

White wins:
451,338,323,736 (95.9%)
Frustrated white wins:
34,958,040 (0.0%)
Draws:
19,106,608,944 (4.1%)
Black wins:
330,235,446 (0.1%)
KRBBBvKR.json (?)