Syzygy endgame tablebases

Black is winning with DTZ 2

KRRBvKR.pgn lichess.org

Histogram: KRRB losing vs. KR (log scale)

Longest KRRBvKR phases

KRRBvKR statistics

6,999,234,042 (85.3%)
58,627 (0.0%)
1,192,835,879 (14.5%)
8,641,700 (0.1%)
KRRBvKR.json (?)