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Syzygy endgame tablebases

Black is winning with DTZ 20

Kc3 DTM 78 Win with DTZ 19

Ra1+ Draw Ra3 Draw Ra4 Draw Ra5 Draw Ra6 Draw Ra7 Draw Ra8 Draw Rb2 Draw Rc2+ Draw Rd2 Draw Re2 Draw Rf2 Draw Rg2 Draw Rh2 Draw Ka3 Draw Ka4 Draw Kc4 Draw

Histogram: KNN losing (log scale)

Longest KNNvKR phases

KNNvKR statistics

9,462 (0.0%)

162,360,339 (96.8%)

5,419,533 (3.2%)

KNNvKR.json (?)