Syzygy endgame tablebases

White is winning with DTZ 73

Rf3+ Win with DTZ 72

Ra6 Draw Rc6 Draw Re6 Draw Rf1 Draw Rf2 Draw Rf5 Draw Rf7 Draw Rf8 Draw

KRBBPvKQ.pgn lichess.org

Histogram: KRBBP winning vs. KQ (log scale)

Longest KRBBPvKQ phases

KRBBPvKQ statistics (unique positions)

White wins:
727,872,993,812 (53.7%)

Frustrated white wins:
13,053,407,274 (1.0%)

Draws:
447,419,064,034 (33.0%)

Frustrated black wins:
8,361,656,942 (0.6%)

Black wins:
157,978,130,642 (11.7%)

KRBBPvKQ.json (?)

KRBBPvKQ dependencies

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

KQRBBvKQ · KRBBPvK · KRRBBvKQ · KBBPvKQ · KRBBBvKQ · KRBPvKQ · KRBBNvKQ · KRBBvKQ

KRBBPvKQ.txt KRBBPvKQ.dot