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Normal Topic Exchange sack in the Exchange Grunfeld (Read 2253 times)
ArKheiN
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Re: Exchange sack in the Exchange Grunfeld
Reply #1 - 08/09/05 at 07:32:24
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Please, reread your Black's move, you do many notation errors like g3 instead of g6, c4 instead of c5, Nd5 instead of Nd4, etc.

After 14..f6 15.Bc4 Bd7 16.Rb1 b5 17.Bb3 a5, Jonathan Rowson says : "gives White some compensation for the exchange but clearly it is not more than enough" in his book.

And in the "Complete Grünfeld" by Suetin, a bit old in somes  modern variations but still very nice and complete book, he gives in the same position : "with excellent counterplay for Black; Plachetka-Pribyl, Trnava 1979
  
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Arthur
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Exchange sack in the Exchange Grunfeld
08/09/05 at 05:04:56
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1.d4 Nf3 2.Nf3 g3 3.c4 Bg7 4.Nc3 d5 5.xd5 Nxd5 6.e4 Nxc3 7.xc3 c4 8.Be2 Nc6 9.d5 Bxc3 10.Bd2 Bxa1 11.Qxa1 Nd5 12.Nxd5 xd5 13.Qxd5 0-0 14.0-0

What is the evaluation of this position. White has sacked an entire exchange. In exchange White has the bishop pair, the centre, a weakened black kingside and a slight lead in development. From NCO it does not appear black can decline the exchange without some disadvantage (It doesn't mention Bxd2 but I gather the weakened kingside, centre and lead in development compensate for a pawn.) Since I imagine Grunfeld players like their dark square bishop and solid kingside I imagine that this line might be slightly offputting. THe question remains. Is this sound? Is the position (unbalanced) but equal? Any concrete lines would be greatly appreciated. Nunn gives:
14...f6 15.Bc4 Bd7 16.Rb1 b5 unclear
and
14...Qb6 15.Qa1 f6 16.Rb1 unclear
  
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