Syzygy endgame tablebases

White is winning with DTZ 1

Rb1+ Draw Rh2+ Draw

KRBBvKQB.pgn lichess.org

Histogram: KRBB winning vs. KQB (log scale)

Longest KRBBvKQB phases

KRBBvKQB statistics (unique positions)

White wins:
96,872,746,222 (22.8%)

Draws:
87,590,154,493 (20.6%)

Frustrated black wins:
17,828,519,516 (4.2%)

Black wins:
222,764,764,957 (52.4%)

KRBBvKQB.json (?)

KRBBvKQB dependencies

To probe all KRBBvKQB positions, these tables and their transitive dependencies are also required:

KRBBvKB · KQBvKBB · KQBvKRB · KRBBvKQ

KRBBvKQB.txt KRBBvKQB.dot