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Normal Topic Semko/Sakaev book on the QGA (Read 2447 times)
John Simmons
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Re: Semko/Sakaev book on the QGA
Reply #2 - 05/13/05 at 08:07:08
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Hello,

     I have had a brief look at the line, and agree with assement of the Semko/Sakaev book. In fact, don't like the look of the 7...Nh6 line for black at all.
                Think you are more likely to face the recently trendy 5...Nc6 followed by be6 lines. Personnally find it easier to understand what black is trying to do in this line, and Anand has analyised is games against Karpov in various places, like BCM.

Bye John S
  
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Semkov
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Re: Semko/Sakaev book on the QGA
Reply #1 - 05/13/05 at 07:38:03
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7...c5?! was the pet-line of Bulgarian GM Radulov about 30  years ago and I was impressed then how simply Black decides opening problems - he just takes a central pawn and keeps it to win. Closer examination shows that this is a one-game line. The problem is that White has a strong initiative and can vary plans - atacking on the kingside by e5, f4, or regaining the pawn by accumulating striking force against c5-d4.
Perhaps 7...c5 is not very precise, because it gives White the options (beside 8.0-0) of 8.b4, 8.Rc1,e5 etc. So we discuss only 7...Nh6 8.0-0 c5 to which we like 9.Nb3, but there are also 9.Rc1, 9.Bd5 that also should recapture the sacrificed pawn. After 9.Nb3 our analysis follows the game Partos-Miles, 1977 which you mention. The only amazing thing  about this game is the fact that Black won. After all he was struggling in a very bad position nearly to the end!
One last remark - if you find this line disturbing, do not play 3.e4. It leads to much more tangled positions, than the one at issue. The 7...c5 line is relatively easy for White since he gets an obvious initiative, never mind the final result.
  
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Fernando Semprun
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Semko/Sakaev book on the QGA
05/12/05 at 17:33:19
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Hi all,

I have been considering to start playing 1.d4 for a while now. When the above mentioned book was out I purchased it and checked the line...

1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Bb4+ 6. Bd2 Bxd2+ 7. Nbxd2 c5

http://www.france-echecs.com/diagramme/imgboard.phpfen=rnbqk1nr/pp3ppp//2p/2BpP/...

Not covered by Semkov but after the further 8.0-0 Nh6 9.Nb3 they provide a line that has three games in MegaDatabase2005, including an amazing win by Miles as black. They finish with

(1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Bb4+ 6. Bd2 Bxd2+ 7. Nbxd2 c5
)
8. O-O Nh6 9. Nb3 Qe7 10. Rc1 b6 11. Bd5 Bb7 12. Nxc5 bxc5 13. Qa4+ Kf8 14.
Rxc5 Na6 15. Ra5  'with advantage to white'.

There are two losses and a draw by white in these games! In fact, three diferent moves have been tried here by black.

Can anyone help?


P.S. They cover this line under 7...Nh6
  

Fernando Semprun
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