Syzygy endgame tablebases

White is winning with DTZ 1

Rxe5 DTM 22 Zeroing Ra4+ Win with DTZ 2 Rd7+ Win with DTZ 2 Nc6+ Win with DTZ 2 Kd2 Win with DTZ 8 Re7 Win with DTZ 10 Rd1+ Win with DTZ 10 Kd1 Win with DTZ 12 Rf1 Win with DTZ 14 Rh1 Win with DTZ 14 Rg1 Win with DTZ 16

Ra1 Draw Ra2 Draw Ra3 Draw Ra5 Draw Ra6 Draw Ra8 Draw Rb7 Draw Rc7 Draw Rf7 Draw Rg7 Draw Rh7 Draw Na6 Draw Nd7 Draw Kb1 Draw Kb2 Draw Kc2 Draw Re2 Draw Re3 Draw Re4+ Draw

KRRNvKR.pgn lichess.org

Histogram: KRRN winning vs. KR (log scale)

Longest KRRNvKR phases

KRRNvKR statistics (unique positions)

White wins:
7,006,270,050 (83.8%)

Draws:
1,347,667,154 (16.1%)

Black wins:
11,121,888 (0.1%)

KRRNvKR.json (?)

KRRNvKR dependencies

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

KRNvKR · KRRNvK · KRRvKR

KRRNvKR.txt KRRNvKR.dot