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Syzygy endgame tablebases

Black is winning with DTZ 7

KRvKR.pgn lichess.org

Histogram: KR losing vs. KR (log scale)

Longest KRvKR phases

KRvKR statistics

401,517 (14.9%)
1,892,778 (70.2%)
401,517 (14.9%)
KRvKR.json (?)