Syzygy endgame tablebases

White is winning with DTZ 25

Ra2 Win with DTZ 24 Rd3+ Win with DTZ 26 Rf3 Win with DTZ 26 Rc3 Win with DTZ 30 Rg3 Win with DTZ 30 Nb3 Win with DTZ 34 Nc2 Win with DTZ 34 Kb2 Win with DTZ 34 Ra7 Win with DTZ 40 Re3 Win with DTZ 40 Ra5 Win with DTZ 45 Ra4 Win with DTZ 48 Bb2 Win with DTZ 48 Rb3 Win with DTZ 58 Bf6 Win with DTZ 60 Bc3 Win with DTZ 66 Bg7 Win with DTZ 72

Ra6 Draw Ra8 Draw Rh3 Draw Ba7 Draw Bb6 Draw Bc5 Draw Be3 Draw Bf2 Draw Bg1 Draw Bb8 Draw Bc7 Draw Bd6 Draw Bf4 Draw Bg3 Draw Bh2 Draw Bh8 Draw

KRBBNvKQ.pgn lichess.org

Histogram: KRBBN winning vs. KQ (log scale)

Longest KRBBNvKQ phases

KRBBNvKQ statistics (unique positions)

White wins:
274,292,994,419 (62.4%)

Frustrated white wins:
99,663,112 (0.0%)

Draws:
138,469,313,381 (31.5%)

Frustrated black wins:
2,380,920,624 (0.5%)

Black wins:
23,985,948,792 (5.5%)

KRBBNvKQ.json (?)

KRBBNvKQ dependencies

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

KRBBNvK · KBBNvKQ · KRBNvKQ · KRBBvKQ

KRBBNvKQ.txt KRBBNvKQ.dot