[Event "Matowanie samotnego króla. Część 4. (61-80): 61."] [Site "https://lichess.org/study/iHkLsHbb/K3ltbkNN"] [Result "*"] [Variant "Standard"] [ECO "?"] [Opening "?"] [Annotator "https://lichess.org/@/MarcinKorzekwa"] [FEN "k7/8/2K5/8/5B2/8/6B1/8 w - - 0 1"] [SetUp "1"] [UTCDate "2020.12.14"] [UTCTime "20:31:04"] [Source "https://lichess.org/study/iHkLsHbb/K3ltbkNN"] [Orientation "white"] [ChapterMode "gamebook"] { Mat w jednym ruchu. } 1. Kb6# { [%cal Rg2a8,Rf4b8,Rb6a7,Rb6b7] } *