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 "Unknown448"]
[Result "1-0"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "3Q4/p2p1p1p/b3p1pk/1q2P3/3p4/KP3P2/P1r5/6R1 w - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1. Qf8+ ( { White can try: } 1. Rh1+ Kg7 2. Qf6+ Kg8 3. Qd8+ Kg7 4. Qf6+ Kf8 5. Qd8+ Kg7 6. Qf6+ { Draw by repetition of position. } ) 1... Kh5 2. Rh1+ Kg5 3. Qh6+ ( { White can try: } 3. Qe7+ Kf4 4. Qf6+ Ke3 5. Qg5+ Kd3 6. Rd1+ Kc3 7. Qf4 Qb4# ) 3... Kf5 4. Rh5+ gxh5 5. Qf6# 1-0