Nowadays, when you're not a grandmaster at 14, you can forget about it.
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[Event "rated untimed match"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Unknown"]
[Black "Unknown753"]
[Result "1-0"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "8/2r2k2/3R2R1/1p2P1p1/6Pp/4r2P/6K1/8 w - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1. Rdf6+ Ke8 ( { Black dare not try: } 1... Ke7 2. Rg7+ Kd8 3. Rf8# ) 2. Rg8+ Kd7 3. Rd6+ Ke7 4. Rg7+ Kf8 5. Rxc7 Rxe5 { White wins with a large material
advantage. } 1-0