Syzygy endgame tablebases

White is winning with DTZ 3

Kd1 Win with DTZ 2 Kd2 Win with DTZ 2 Rd1+ Win with DTZ 2 Rd2 Win with DTZ 2 Rdf8+ Win with DTZ 2 Rg1+ Win with DTZ 2 Rg2 Win with DTZ 2 Rh2 Win with DTZ 2 Kb1 Win with DTZ 4 Kc2 Win with DTZ 4 Ra8 Win with DTZ 4 Rb8 Win with DTZ 4 Rc8 Win with DTZ 4 Rdd3 Win with DTZ 4 Rd4 Win with DTZ 4 Rd5 Win with DTZ 4 Rd6 Win with DTZ 4 Rd7 Win with DTZ 4 Rde8 Win with DTZ 4 Rge8 Win with DTZ 4 Rgf8+ Win with DTZ 4 Rgg3 Win with DTZ 4 Rg4 Win with DTZ 4 Rg5 Win with DTZ 4 Rg6 Win with DTZ 4 Rg7 Win with DTZ 4 Rgh8 Win with DTZ 4 Ra3 Win with DTZ 4 Rb3 Win with DTZ 4 Rc3 Win with DTZ 4 Rhd3 Win with DTZ 4 Re3 Win with DTZ 4 Rf3+ Win with DTZ 4 Rhg3 Win with DTZ 4 Rh1+ Win with DTZ 4 Rh4 Win with DTZ 4 Rh5 Win with DTZ 4 Rh6 Win with DTZ 6 Rh7 Win with DTZ 6 Rhh8 Win with DTZ 6

KRRRvKB.pgn lichess.org

Histogram: KRRR winning vs. KB (log scale)

Longest KRRRvKB phases

KRRR winning with DTZ 11

KRRRvKB statistics (unique positions)

White wins:
8,208,369,168 (99.9%)

Draws:
8,081,526 (0.1%)

KRRRvKB.json (?)