Nowadays, when you're not a grandmaster at 14, you can forget about it.
If you are reading this instead of viewing a chess puzzle or game, then you must enable JavaScript on this website.
[Event "rated untimed match"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Unknown"] [Black "Unknown415"] [Result "0-1"] [Annotator "David Hayes"] [BlackElo "0"] [FEN "8/8/p7/3k4/1P1p4/P7/4K3/8 b - - 0 1"] [SetUp "1"] [TimeControl "0"] [WhiteElo "0"] 1... Kc4 2. Kd2 Kb3 3. Kd3 Kxa3 4. Kc4 Ka4 ( { Black can try: } 4... d3 5. Kxd3 Kxb4 6. Kc2 Ka3 7. Kb1 { Draw. Black will not promote his pawn. } ) 5. Kxd4 Kxb4 6. Kd3 { Black must not allow white to control the a1 promotion square. } 6... Kb3 7. Kd2 Kb2 8. Kd1 a5 9. Kd2 a4 10. Kd1 a3 11. Kd2 a2 12. Kd3 a1=Q { Black wins with a large material advantage. } 0-1