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Alexander Cherepkov vs Viktor Korchnoi
Leningrad (1959)
Nimzo-Indian Defense: Saemisch Variation (E29)  ·  0-1


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Given 7 times; par: 38 [what's this?]

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sac: 23...Nxc4 PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
Premium Chessgames Member
  Chessical: A brilliant combatative win by Korchnoi smashing through Cherepkov's K-side with 25...Nxg3!! followed by a B and then a R sacrifice.

17.f4?! is too weakening; 17.Nc1 Nf6 18.Nb3 Nxb3 19.Qxb3 Bh3 20.Rfe1 is preferable

24.Qd1 is Cherepkov's last hope of resistance 24...Na5 25.c4

30...Rh8 31.Rf1 Qe4+ 32.Rf3 g4 wins.

Dec-11-03  Whitehat1963: Amazing win. And the pawns are arranged as if they are playing checkers.
Premium Chessgames Member
  Chessical: If instead <13...Nh5>, Sokolsky recommended the radical 14.f4!? exf4 15.Nxf4!? gxf4 (15….Nxg3! seems even better than Sokolsky’s move)16.Bxf4 stating that it would be difficult for Cherepkov to defend, but is this so? 16...Nxf4 17.Rxf4 Qg5 18.Qf1 cxd4 19.cxd4 Nxd4 does not seem particularly good for Korchnoi.

Instead 14.d5 Na5 15.f3 is both more quiet and more solid.

Premium Chessgames Member
  whiteshark: The 'natural' <24.Bxc4??> is the decisive mistake as shown in the game. But after <24.Rb1!> White's center holds and Black's queenside majority can't be exploited quickly.

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Premium Chessgames Member
  fredthebear: 22.Bc1 is a useless mistake. It's the sixth move by this bishop! White is in jail. He's got to unwind his cramped position toward the queenside. Black's Na5 is surprising useful.
Premium Chessgames Member
  perfidious: <fredthebear: 22.Bc1 is a useless mistake....>

As opposed to a useful mistake?

<....Black's Na5 is surprising useful.>

The whole point of Black's game is to obtain play against the pawn weaknesses in return for conceding the two bishops and the knight at a5 pressurises the chief weakness.

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