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 "Unknown518"] [Result "0-1"] [Annotator "David Hayes"] [BlackElo "0"] [ECO "A00"] [FEN "2k3r1/1pp2N2/p7/2PpR2p/3n1p2/7P/PPP3P1/2K5 b - - 0 1"] [SetUp "1"] [TimeControl "0"] [WhiteElo "0"] 1... f3 2. gxf3 Rg1+ 3. Kd2 Nxf3+ 4. Ke3 Nxe5 5. Nxe5 Rh1 { Black wins with a large material advantage. } 0-1