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Normal Topic C02: Advance Line (Read 3281 times)
MartinC
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Re: Advance Line
Reply #2 - 05/29/11 at 17:55:06
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Thanks. Well b3 does effectively protect b2 too, so perhaps Ra2 directly is just a tiny bit too weird? I don't think its that black is threatening a4 so much - thats maybe just another logical plan which just doesn't quite work here.....

I'm not totally sure if black can do other than Rc8/often eventually g5. Or if white can really stop it except via h4 which does give away h4 etc.

The whole thing just baffles/slightly scares me actually Smiley
  
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dom
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Re: Advance Line
Reply #1 - 05/29/11 at 10:15:29
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@MartinC: Yes, ... good idea Ng4.
I understand that 10.b3 is for blockade pawns on queenside,..,but I feel better for White to play 10.Ra2! at once. The idea is to protect b2 to free the c1 bishop as you noticed. I think f4 is better square for it.
For example: 10...a4 11.Re1 (11.Bxa4 Nxe5) Be7 (queen moves like Qb5 don't give good plan) 12.Bxa4 Nxe5 13.Nxe5 Bxa4 14.Qxh5 Bc2 15.Bxh6 Bg6 16.dxc5 Bxc5 (16...Bxh5 17.cxb6 Rxh6 18.Nd2 Bc5 19.c4) 17.Qe2 Rxh6 18.Nxg6 Rxg6 19.Nd2

Perdersen gives: 10.b3 Be7 11.h4 Mukhametov-Korchnoi,Baden 1977

Sveshnikov: 11.Be3 cxd4 12.cxd4 Ng4 Sandipan-Barua,Raipur 2002  ..but here 12...Ra2 maybe better

  

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MartinC
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C02: Advance Line
05/28/11 at 23:17:07
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Just something which seemed intriguing. Not critical for 6.. a5 as thats 8 o-o and other black options at need, but it did strike me as a really horribly obscure feeling variation. Even by the 'usual' French standards Smiley

1 e4 e6 2 d4 d5 3 e5 c5 4 c3 Nc6 5 Nf3 Qb6 6 a3 a5 7 Bd3 Bd7 8 Bc2!? (o-o maybe critical of course) h5!? - Psakhis credits this to Korchnoi.

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And now Psakhis' 'main' line (its in a note of course) sort of illustrates how odd this position can get/is:
9 o-o Nh6 10 b3!? Be7 11 Ra2!? cd 12 cd Rc8 13 Kh1! g5 14 Be3! and then .. g4 15 Ng1 slight edge to white. But 14 .. Ng4 seems more sense, thus:

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This position seems so obscure, that I don't think I can blame one of my computers for advising Bc1 Nh6 and then a repetition and 1/2 - 1/2.... Lots of very odd pieces, and very few obviously rational plans.

Not that Ra2 etc earlier were precisely forced! But that fact that someone was driven to play in a real game perhaps says something too.
« Last Edit: 07/18/11 at 12:59:42 by Smyslov_Fan »  
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