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 "Unknown01"]
[Result "1-0"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "8/k5r1/8/2KB4/8/8/8/1R6 w - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
{ This tactical pattern arises surprisingly often in real play. } 1. Ra1+ Kb8 2. Ra8+ Kc7 3. Ra7+ Kd8 4. Rxg7 { White wins with a large material advantage. } 1-0