[Event "?"] [Site "?"] [Date "1974.??.??"] [Round "?"] [White "Wirtanen"] [Black "Bergist"] [Result "1-0"] [Annotator "Tarraco PC"] [WhiteFideId "-1"] [BlackFideId "-1"] [SetUp "1"] [FEN "2r2q1k/ppn2n1p/5P2/5NR1/P1pB4/2P5/6QP/6K1 w - - 0 1"] [PlyCount "7"] [GameId "2308655135091540"] [EventDate "1974.??.??"] [Source "Könemann"] [SourceVersion "1"] [SourceVersionDate "2002.01.01"] [SourceQuality "1"] 1. Rg8+ $3 Qxg8 2. Qg7+ Qxg7+ 3. fxg7+ Kg8 4. Ne7# 1-0