[Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "?"] [Black "?"] [Result "*"] [Author "van Alphen, Hendrik Johan"] [Publication "De Problemist"] [PubicationDate "1980.04.??"] [GameType "20"] [Setup "1"] [FEN "W:W17,27,31:B25."] [PlyCount "1"] 1. 17-12 $18 1-0 |