Syzygy endgame tablebases

Tablebase draw

KRRBvKQ.pgn lichess.org

Histogram: KRRB losing vs. KQ (log scale)

Longest KRRBvKQ phases

KRRBvKQ statistics

4,924,729,003 (66.3%)
693,854 (0.0%)
2,116,388,889 (28.5%)
385,609,706 (5.2%)
KRRBvKQ.json (?)