Syzygy endgame tablebases

White is winning with DTZ 9

Nc6+ Win with DTZ 8 Rad1+ Win with DTZ 14 Bf6+ Win with DTZ 14 Rgd1+ Win with DTZ 15 Rg7 Win with DTZ 16 Be5 Win with DTZ 17 Bd4 Win with DTZ 18 Nd5 Win with DTZ 24 Bc3 Win with DTZ 26 Bg7 Win with DTZ 28 Nd3 Win with DTZ 30 Ka7 Win with DTZ 31 Ka8 Win with DTZ 33 Na6 Win with DTZ 42 Ba3 Win with DTZ 46

Bh8 Win with DTZ 101

Ra5 Loss with DTZ 1 Ra7 Loss with DTZ 1 Ra8 Loss with DTZ 1

KRRBNvKQ.pgn lichess.org

Histogram: KRRBN winning vs. KQ (log scale)

Longest KRRBNvKQ phases

KRRBNvKQ statistics (unique positions)

White wins:
334,411,661,737 (79.2%)

Frustrated white wins:
58,336,799 (0.0%)

Draws:
81,928,183,430 (19.4%)

Black wins:
5,795,099,484 (1.4%)

KRRBNvKQ.json (?)

KRRBNvKQ dependencies

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

KRRBNvK · KRBNvKQ · KRRNvKQ · KRRBvKQ

KRRBNvKQ.txt KRRBNvKQ.dot