Syzygy endgame tablebases

Black is losing with DTZ 20

KRBBvK.pgn lichess.org

Histogram: KRBB winning vs. K (log scale)

Longest KRBBvK phases

KRBBvK statistics

159,551,973 (97.3%)
4,401,541 (2.7%)
KRBBvK.json (?)