Syzygy endgame tablebases

White is winning with DTZ 3

Ra1 Draw Rb1 Draw Rc2 Draw Rc3 Draw Rc5 Draw Rc6 Draw Bb7 Draw Bc2 Draw Kh7 Draw Nf1 Draw

Rc4 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