Syzygy endgame tablebases

White is winning with DTZ 100

Rg4 Win with DTZ 99

a8=Q+ Draw a8=R+ Draw Ka2 Draw Kb1 Draw Bb3 Draw Bd7 Draw Bb8 Draw Bc7+ Draw Be1+ Draw Be5 Draw Bf2 Draw Rb7 Draw Rc7 Draw Rd7 Draw Re7 Draw Rf7 Draw Rg5+ Draw Rg6 Draw Rg8 Draw Rh7 Draw

Kb2 Loss with DTZ 1 Bb5 Loss with DTZ 1 Bc2 Loss with DTZ 1 Bc6 Loss with DTZ 1 Bd1 Loss with DTZ 1 Be8 Loss with DTZ 1 Bd6 Loss with DTZ 1 Bf4 Loss with DTZ 1 Bh2 Loss with DTZ 1 Bh4 Loss with DTZ 1 a8=B Zeroing a8=N Zeroing

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