Syzygy endgame tablebases

Black is winning with DTZ 37

KRBBvKQB.pgn lichess.org

Histogram: KRBB losing vs. KQB (log scale)

Longest KRBBvKQB phases

KRBBvKQB statistics

96,872,746,222 (22.8%)
87,590,154,493 (20.6%)
17,828,519,516 (4.2%)
222,764,764,957 (52.4%)
KRBBvKQB.json (?)