Syzygy endgame tablebases

White is winning with DTZ 1

Rxd8 Zeroing Bc3+ Win with DTZ 2 Rb1+ Win with DTZ 2 Rc1+ Win with DTZ 2 Bb2 Win with DTZ 12 Nf6 Win with DTZ 12 Bg7 Win with DTZ 18 Be5 Win with DTZ 20 Bf6 Win with DTZ 20 Bh8 Win with DTZ 22 Kg2 Win with DTZ 28 Ra8 Win with DTZ 31

Bd4 Draw Rb2 Draw Rb3 Draw Rb4 Draw Rb5 Draw Rb7 Draw Rc2 Draw Rc3 Draw Rc4 Draw Rc5 Draw Rc6 Draw Rc7 Draw Kh1 Draw Kh2 Draw Nf8 Draw Ng5 Draw

Rb6 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