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 "Unknown016"]
[Result "0-1"]
[Annotator "David Hayes"]
[BlackElo "0"]
[ECO "A40"]
[FEN "6R1/8/8/p1kp4/2p5/1pK5/8/8 b - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1... d4+ 2. Kb2 a4 ( { Black can try: } 2... Kb4 3. Rb8+ Ka4 4. Rd8 c3+ 5. Kb1 Ka3 6. Rxd4 a4 7. Rc4 c2+ 8. Kc1 b2+ 9. Kxc2 Ka2 10. Rxa4# ) 3. Ka3 c3 4. Rc8+ Kd5 5. Rd8+ Kc4 6. Rc8+ Kd3 7. Rg8 c2 8. Rc8 Kd2 9. Kb2 d3 10. Rc4 a3+ 11. Kxa3 c1=Q+ 12. Rxc1 Kxc1 13. Kxb3 d2 14. Kc3 d1=Q { Black wins with a
large material advantage. } 0-1