Syzygy endgame tablebases

White is winning with DTZ 1

Bxf6 Zeroing Ra1+ Win with DTZ 2 R1d2+ Win with DTZ 2 Ra5+ Win with DTZ 2 R5d2+ Win with DTZ 2 Rh2+ Win with DTZ 2 Rb1 Win with DTZ 4 Rd6 Win with DTZ 4 Kb7 Win with DTZ 6 Kc8 Win with DTZ 6 Rc1 Win with DTZ 6 R1d3 Win with DTZ 6 Re1 Win with DTZ 6 Rb5 Win with DTZ 6 R5d4 Win with DTZ 6 Rd7 Win with DTZ 6 Rde5 Win with DTZ 6 Rhe5 Win with DTZ 6 Rh6 Win with DTZ 6 Ka7 Win with DTZ 8 Ka8 Win with DTZ 8 Kc7 Win with DTZ 8 R1d4 Win with DTZ 8 Rf1 Win with DTZ 8 Rg1 Win with DTZ 8 Rdh1 Win with DTZ 8 Rc5 Win with DTZ 8 Rd8 Win with DTZ 8 Rdf5 Win with DTZ 8 Rdg5 Win with DTZ 8 Bf8 Win with DTZ 8 Bh6 Win with DTZ 8 Bh8 Win with DTZ 8 Rhf5 Win with DTZ 8 Rhg5 Win with DTZ 8 Rhh1 Win with DTZ 8 Rh4 Win with DTZ 8 Rh7 Win with DTZ 8 Rh8 Win with DTZ 8 R5d3 Win with DTZ 14 Rh3 Win with DTZ 16

KRRRBvKR.pgn lichess.org

Histogram: KRRRB winning vs. KR (log scale)

⋮

Longest KRRRBvKR phases

KRRRBvKR statistics (unique positions)

White wins:
437,508,060,186 (99.8%)

Frustrated white wins:
33,522 (0.0%)

Draws:
638,156,682 (0.1%)

Black wins:
267,261,108 (0.1%)

KRRRBvKR.json (?)