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 "Unknown440"]
[Result "1-0"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "r5k1/3P1ppp/p7/4p3/3r4/6P1/R4P1P/3R2K1 w - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1. Rxd4 exd4 2. Rc2 ( { White can try: } 2. Rxa6 Rd8 3. Rd6 Kf8 4. Rxd4 Ke7 5. f4 Rxd7 6. Rxd7+ Kxd7 7. Kf2 Ke6 8. g4 f5 9. h3 h6 10. Kf3 Kf6 11. h4 g6 12. g5+ hxg5 13. hxg5+ Ke6 14. Ke3 Kd5 15. Kd3 Kc5 16. Kc3 { Draw. } ) 2... Kf8 3. Rc8+ Rxc8 4. dxc8=Q+ { White wins with a large material advantage. } 1-0