Syzygy endgame tablebases

Invalid position

The given position is not a legal chess position.

Histogram: KRBB winning 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 (?)