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 "Szolnok"]
[Date "1963.??.??"]
[Round "?"]
[White "Sapi"]
[Black "Barczay"]
[Result "1-0"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "2r3k1/5ppp/4p3/4P3/p2BP3/2q5/1p3PPP/1Q1R2K1 b - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
{ This line is not good enough: } 1... Qxd4 ( 1... Qc1 2. Bxb2 Qxb1 3. Rxb1 { White wins with a large material advantage. } ) 2. Rxd4 Rc1+ 3. Rd1 Rxb1 4. Rxb1 a3 5. h4 a2 6. Rf1 b1=Q 7. f3 h5 8. Kf2 Qxf1+ 9. Kxf1 a1=Q+ { Black wins
with a large material advantage. } 1-0