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Very Hot Topic (More than 25 Replies) Grandmaster Repertoire 1.c4 by Marin (Read 377926 times)
TonyRo
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Re: Grandmaster Repertoire 1.c4 by Marin
Reply #260 - 08/14/10 at 00:04:20
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I noticed this line a long time ago when the update came out, but never said anything. I thought I found something, but now I don't have it. Let me look it over (again) and see if I can't piece the line back together. Maybe I'm full of it.
  
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Re: Grandmaster Repertoire 1.c4 by Marin
Reply #259 - 08/13/10 at 20:57:37
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Hmmm, think I analyzed from the wrong position... Sorry 'bout that. 15. Nxg5 is not good at all.
  
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Re: Grandmaster Repertoire 1.c4 by Marin
Reply #258 - 08/13/10 at 20:09:51
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Doesn't 15.Nxg5 Nxg3+ win a queen for insufficient compensation? Polemaetus' first post is a quite relevant one ...
  

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Re: Grandmaster Repertoire 1.c4 by Marin
Reply #257 - 08/13/10 at 19:27:05
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I don't have the book (yet).  But if you analyze from 15. Nxg5 instead of Bxg5 it turns out pretty good for white. Not easy, but you've got a lot of initiative.
  
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Re: Grandmaster Repertoire 1.c4 by Marin
Reply #256 - 08/13/10 at 18:15:53
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Hello to the ChessPub forum!

I stumbled upon this thread while researching reviews for Marin's book about the c4 e5 English Opening.

The first question I have is about the size of the book. Reply #147 indicates 480 pages, while on Amazon it says 320 pages. Who is right?

My second question is rather serious. I have downloaded the PDF excerpt for this book from the official site.

It shows the Contents and has a sample chapter about the Karpov variation. In the Karpov variation he gives 13.Nfxg5 two exclamation marks, in the following variation:

1. c4 e5 2. g3 Nc6 3. Nc3 Nf6 4. Bg2 Bc5 5. Nf3 d6 6. d3 O-O 7. O-O a6 8. a3 Ba7 9. b4 Bg4 10. Bg5 h6 11. Bh4 Nd4 12. Ne4 g5 13. Nfxg5!! Nxe2 14. Kh1 Nxg3 15. fxg3! Bxd1 16. Nxf6  Kh8 17. Raxd1 hxg5 18. Bxg5

concluding: "Despite his material disadvantage, White has an irresistible attack."

Well, I agree, but what about 14...hxg5! ?

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Marin does not even mention this move, although it's the first one showing up in any engine. Worse, the engines evaluate Marin's move 14...Nxg3 as a clear blunder for black. So I continued to analyse 14...hxg5, which seems to be the best move for black here. The variation is very forced and continues as follows:

14. Kh1 hxg5 15. Bxg5 Nxe4 16. Bxd8 Nxf2+ 17. Rxf2 Nxg3+ 18. hxg3 Bxd1 19. Rf5 Rfxd8 20. Rxd1 c6 21. Rdf1 Rd7 22. Rg5+ Kf8

And instead of an "irresistible attack" we have an ending which promises ZERO winning chances for both players.

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I found this little discovery of mine kind of shocking, as this is a huge repertoire book about the English and Marin gives no alternative to avoid this line, which is a 100% sure draw for black.  

Do you find any improvement for White or do we have to live with the fact that white has nothing in the important Karpov variation?
  
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Re: Grandmaster Repertoire 1.c4 by Marin
Reply #255 - 07/06/10 at 09:59:50
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Ametanoitos wrote on 04/14/10 at 23:15:23:

As i pointed out one or two pagrs before in this thread, the first book is far from perfect. His Chessbase CD was more complete! There are big problems with major lines in Marin's repertoire.


I finished working with the book and saying "Big problems with major lines" is rather exagerated.

The first "problem line", in the Botvinnik, is not a problem because the mistake is not in the recommended line but in an ilustrative game of an alternative.

The second one isn't a big problem either. Rfc1 is a draw, but Rfd1 keeps plenty of life, and Carlsen won against Kramnik in London 2009 with it, showing some interesting ideas.

I was skeptical about the move order 1. c4 Nf6 2. g3 c6, but after seeing how interesting the structures arising in the Keres are I'm more willing to study it when the next books are released  Cheesy
  
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Re: Grandmaster Repertoire 1.c4 by Marin
Reply #254 - 04/20/10 at 14:41:05
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If Marin ends up finding a real route to an edge in the ...c6 systems, it'll be a huge argument in favor of the 1. c4 with 2. g3 approach. To my knowledge both 4...Bf5 and 4...Bg4 aren't supposed to be that big of a deal when it comes to finding an advantage, but rather 4...dxc4.

The other hurdle will be the Symmetrical English with 2. g3, where the Rubenstein is no easy customer.

The final curiousity I have is how he'll handle 1. c4 e6, because 2. g3 d5 3. Bg2 dxc4 is supposed to be slightly easier for black to handle than the version with Nf3/Nf6 included.
  

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Re: Grandmaster Repertoire 1.c4 by Marin
Reply #253 - 04/20/10 at 11:06:54
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Markovich wrote on 04/19/10 at 20:20:38:
Personally after 1...Nf6 2.g3, I would join parisestmagique in his preference for 2...c6! followed by ...d5 and soon enough either ...Bf5 or ...Bg4.  I wouldn't capture early on c4.  I think of this plan as the definitive theoretical rejoinder, pretty well squelching White's ambitions for +=.  It's a game of chess, of course.


1...Nf6 and 2...c6 is often used by would-be Hedgehog players when faced with the Anti-Hedgehog move order 1 c4, 2 g3. This was Suba's recommendation in his book (chaotic but interesting) on the Hedgehog and is undoubtedly one of Black's most testing lines, but White should not despair. In another thread I wrote:

"Ten to fifteen years ago, the big questions for the English/Reti players, certainly below master level, were what to play against:
1) the King's Indian/Closed Sicilian reversed set-ups;
2) the Symmetrical
3) ...e6, ...d5 systems
4) whether to try to prevent the Hedghog or combat it.

I think this is reflected in the balance of material in Kosten and Donaldson-Hansen.
Since then we've seen a huge growth in the number of players who want to play some sort of Slav set-up against practically everything, and anyone writing such a repertoire book now really should be ensuring that this gets a lot of attention. White is not short of ideas, but probably there is no way to force an advantage, and as in much of the Reti-English complex, the question of what to play is really one of choosing something playable that leads to the sort of positions one likes.

I suggest that the main options are:
1)      Transpose to Slav (but prepare well);
2)      Play the English Anti-Slav, with e3 and holding back d4;
3)      Play 1 c4 c6 2 e4 and head for some sort of Panov;
4)      Play the original Reti double fianchetto with c4;
5)      Play the original Reti double fianchetto but aim for e4, by Qe1, or e3, Qe2;
6)      Play the c4 gambit line that Kosten and Davies recommended,, but which seems to need some repair work at the moment (although I notice that Marin has been playing it);
7)      Play Loginov’s line (first played by JH Blackburne!) 1.Nf3 Nf6 2.g3 d5 3.Bg2 c6 4.0-0 Bf5 5.c4 e6 6.cxd5!? exd5 7.d3 Nbd7 8.Nc3 Be7 9.Qc2!? planning e4, e.g. 9...h6 10.e4 dxe4 11.dxe4 Bh7 12.Bf4 0-0 13.Rad1 Qa5 14.Nd4 Rfe8 15.h3 Bb4 16.Nb3 Qb6 17.Rfe1 Ne5 18.a3 Bf8 19.Nd2 Qc5 20.Be3 Qe7 21.f4 Ned7 22.Bf2+= Loginov-Soos, 1993. The mobile Kingside majority gives White space and attacking chances. This plan can also be played against …Bg4 lines.
8)      If Black lacks experience in typical Caro Kann or Centre Counter positions, White can consider Mamedyarov’s deceptively simple line 1.Nf3 d5 2.g3 c6 3.Bg2 Bg4 4.0-0 Nd7 5.d4 e6 6.Nbd2 Ngf6 7.Re1 Be7 8.e4, e.g. Mamedyarov-Kosteniuk 2009.

Probably there are even other options, but I hope I’ve made the point that White has plenty of resources and should not despair at seeing Black place his pawn on c6!"
  
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Re: Grandmaster Repertoire 1.c4 by Marin
Reply #252 - 04/19/10 at 22:09:20
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As a Slav player, I too like 1.c4 Nf6 2.g3 c6.  But then, even Marin's analysis doesn't scare me away from the Black side of the Caro-Kann (after 1.c4 c6 2.e4). I'm guessing that I will see quite a bit more of it now that Marin's book is so popular.
  
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Re: Grandmaster Repertoire 1.c4 by Marin
Reply #251 - 04/19/10 at 20:20:38
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Personally after 1...Nf6 2.g3, I would join parisestmagique in his preference for 2...c6! followed by ...d5 and soon enough either ...Bf5 or ...Bg4.  I wouldn't capture early on c4.  I think of this plan as the definitive theoretical rejoinder, pretty well squelching White's ambitions for +=.  It's a game of chess, of course.
  

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Re: Grandmaster Repertoire 1.c4 by Marin
Reply #250 - 04/19/10 at 15:05:04
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I recall analyzing this 5. 0-0 line a while back, with a lot of the analysis in the actual games being in there. I never thought this line looked particularly safe for Black, with White always having the better position. I believe I proposed this 5. 0-0 and 6. Qc2 as the best way forward a while back in this thread, or a different one. I'm excited to see Marin's stuff in a few months.
  
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Re: Grandmaster Repertoire 1.c4 by Marin
Reply #249 - 04/19/10 at 10:20:42
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the March'10 Flank Openings update by Nigel Davies has two Marin games with :
1.Nf3 d5 2.c4 c6 3.g3 Nf6 4.Bg2 dxc4 5.0-0 Nbd7 6.Qc2 Nb6 7.Na3 Qd5 8.Ne1   
  
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Re: Grandmaster Repertoire 1.c4 by Marin
Reply #248 - 04/15/10 at 13:25:29
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parisestmagique wrote on 04/15/10 at 12:34:40:
The ! and !! are for the difficult task of the next Marin's volume. After 1.c4 Nf6 if he recommands in his next volume there is no more Panov attack or normal Slav for exemple. So 1... Nf6 seems more annoying than 1... c6 from the theorical point of view.


I believe Marin recommends 2.g3 against 1...c6 as well, meaning that 1...c6 and 1...Nf6 2.g3 c6 are equally difficult (or simple) lines for Marin to find a strong antidote for in the book.

Most of the time I prefer to avoid the g3 lines against the Slav structure in a Reti, playing either the Gurevich system or transposing to a Slav proper.
  

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Re: Grandmaster Repertoire 1.c4 by Marin
Reply #247 - 04/15/10 at 12:34:40
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The ! and !! are for the difficult task of the next Marin's volume. After 1.c4 Nf6 if he recommands 2.g3 in his next volume there is no more Panov attack or normal Slav for exemple. So 1... Nf6 seems more annoying than 1... c6 from the theorical point of view.
« Last Edit: 04/15/10 at 14:51:38 by parisestmagique »  
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Re: Grandmaster Repertoire 1.c4 by Marin
Reply #246 - 04/15/10 at 11:01:27
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parisestmagique wrote on 04/15/10 at 08:03:31:
And what Marin will propose after 1.c4 Nf6! with the idea 2.g3 c6!!


What so good about 1...Nf6 and brilliant about 2...c6? They're nothing special. Neither the Keres variation (see vol. 1) or slav set ups are better than other vs the english. I'm actually glad that the DW book suggested that Keres lines are "easy equalisers", which of course is not correct.
  

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