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Hot Topic (More than 10 Replies) 1.c4 Nf6 2.g3 e6 3.Nf3 a6 4.Bg2 b5 good or bad? (Read 7856 times)
player2006
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Re: 1.c4 Nf6 2.g3 e6 3.Nf3 a6 4.Bg2 b5 good or bad
Reply #10 - 07/07/06 at 21:02:48
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I think there is a game Karpov-Kamsky (0.5-0.5) of their world championship match about a decade ago.
  
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Eulogy
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Re: 1.c4 Nf6 2.g3 e6 3.Nf3 a6 4.Bg2 b5 good or bad
Reply #9 - 07/03/06 at 18:35:20
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Another possibility besides Qc2 and a4 is Qb3. I have seen a lot of lines where there is a sac on d5. How about this?  Cool
  
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Uberdecker
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Re: 1.c4 Nf6 2.g3 e6 3.Nf3 a6 4.Bg2 b5 good or bad
Reply #8 - 06/26/06 at 11:11:07
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Yes, after 4. Ktc3 d5, the threats of ...dc and ...d4 force 6. cd ed ; 7. d4. Now Korchnoï thinks that White may have a miniscule edge, but the Black side feels comfortable and there's plenty of leeway for proving that g3 is "more" out of place than ...a6
  
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Keano
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Re: 1.c4 Nf6 2.g3 e6 3.Nf3 a6 4.Bg2 b5 good or bad
Reply #7 - 06/26/06 at 07:47:40
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As i said earlier I know very little of the flank openings - but I am just curious. What is the problem with 4.Nc3 instead of 4.Bg2 to avoid the ...b5 push. I presume the problem is an unfavourable transposition to something else  Sad
  
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Michel
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Re: 1.c4 Nf6 2.g3 e6 3.Nf3 a6 4.Bg2 b5 good or bad
Reply #6 - 06/21/06 at 21:00:46
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> 10.Bb7 looks strange here (maybe I'm missing something).  Did you mean 10.Qc2 Bd7 11.Bb7?

YES! Sorry...

> Also 5.b3 (in place of 5.Nd4) looks natural in this line.

5.b3 is playable, but hardly a refutation IMHO.

Michel
  
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OstapBender
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Re: 1.c4 Nf6 2.g3 e6 3.Nf3 a6 4.Bg2 b5 good or bad
Reply #5 - 06/21/06 at 20:22:35
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Michel wrote on 06/19/06 at 15:39:13:
Someone played me this in a tournament game. He claims that this is playable...
The game went 5. Nd4 c6 6.cxb5 axb5 7.Nxb5 cxb5 (sic) 8.Bxa8 d5 9.a4 Qa5
10.Bb7 b4 (bxa4 might have been better) etc. Turns out that the Bishop doesn't get out.


10.Bb7 looks strange here (maybe I'm missing something).  Did you mean 10.Qc2 Bd7 11.Bb7?

Also 5.b3 (in place of 5.Nd4) looks natural in this line.
  

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Paul123
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Re: 1.c4 Nf6 2.g3 e6 3.Nf3 a6 4.Bg2 b5 good or bad
Reply #4 - 06/21/06 at 19:42:25
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1.c4 Nf6 2.g3 e6 3.Nf3 a6 4.Bg2 b5 5.Nd4 c6 6.cxb5 axb5 7.Nxb5 cxb5 8.Bxa8 d5 9.a4?! [probably......9.Qc2!? is the answer] 9...Qa5 etc... 


However, As a long time flank guy (mostly Reti and Larsen stuff)   I've never have been too troubled   when black plays e6 and Bb7...even here with an b5 thrown in.

Over the years I've developed some neat stuff to combat this....






  
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eric_moskow
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Re: 1.c4 Nf6 2.g3 e6 3.Nf3 a6 4.Bg2 b5 good or bad
Reply #3 - 06/20/06 at 02:36:05
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romanishen employs this line, i decided to avoid the issue so i steered clear, i think its viable and annoying at least for white, sure there is a response just could not figurte it out.
  
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Re: 1.c4 Nf6 2.g3 e6 3.Nf3 a6 4.Bg2 b5 good or bad
Reply #2 - 06/19/06 at 16:09:37
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Yes, this is completely respectable. Korchnoï has championed the Black side in quite a few games. I'm quite fond of the line, as there aren't many other ways for Black to avoid tedious play against 1. Ktf3 Ktf6 ; 2. c4 e6 ; 3. g3.
I'm not sure about 5. ...c6 though. If I recall correctly the generally accepted continuation is 5. ...d5 ; 6. cb e5 ; 7. Ktf3 e4. Will post more extensively if/when I have more time...
  
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Keano
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Re: 1.c4 Nf6 2.g3 e6 3.Nf3 a6 4.Bg2 b5 good or bad
Reply #1 - 06/19/06 at 16:02:36
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Not a flank openings expert but yes I know that is a standard line for Black favoured by a few GM´s, if I did play the flank openings I would be investigating something concrete against it as it is quite a decent system
  
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Michel
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1.c4 Nf6 2.g3 e6 3.Nf3 a6 4.Bg2 b5 good or bad?
06/19/06 at 15:39:13
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Someone played me this in a tournament game. He claims that this is playable...
The game went 5. Nd4 c6 6.cxb5 axb5 7.Nxb5 cxb5 (sic) 8.Bxa8 d5 9.a4 Qa5
10.Bb7 b4 (bxa4 might have been better) etc. Turns out that the Bishop doesn't get out...

Michel Arsenault
Canada
  
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