No one will regret the time dedicated to chess, as it will help in any profession.
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[Event "rated untimed match"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Unknown"]
[Black "Unknown091"]
[Result "1-0"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "5r2/5PK1/4R3/8/2k5/8/3p4/8 w - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1. Kxf8 ( { White can try: } 1. Rd6 Rxf7+ 2. Kxf7 Kc3 3. Ke6 Kc2 4. Ke5 d1=Q 5. Rxd1 Kxd1 { Draw. } ) 1... d1=Q 2. Ke7 Qh5 3. f8=Q { White wins with a large material
advantage. } 1-0