Nowadays, when you're not a grandmaster at 14, you can forget about it.
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[Event "rated untimed match"] [Site "Hugoslavia"] [Date "1963.??.??"] [Round "?"] [White "Hort"] [Black "Byrne"] [Result "1-0"] [Annotator "David Hayes"] [BlackElo "0"] [FEN "r1bq1r1k/5p1p/p1pp1npQ/1p2n3/2PNP1P1/2NB1P2/PP6/R3K2R w KQ - 0 1"] [SetUp "1"] [TimeControl "0"] [WhiteElo "0"] 1. Nxc6 { Removing the defender of d5. } ( { Trying to chase the knight off does not worl: } 1. g5 Nh5 { Black is OK. } ) 1... Nxc6 2. Nd5 Rg8 3. Nxf6 Rg7 4. Qxh7+ Rxh7 5. Rxh7# 1-0