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Very Hot Topic (More than 25 Replies) Most promising line against QGA? (Read 16042 times)
lnn2
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Re: Most promising line against QGA?
Reply #30 - 02/21/06 at 14:15:52
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hello, think after 3 e4 e5 White has an edge, but of the very small grinding sort (e.g. Beliavsky -Sermek). Sometimes one needs sharper stuff, so also keep up to date with 7. Bb3 and 3. Nf3 Nf6 4. Nc3 lines, currently hoping the latter works, as i like white side of 6.Ne5 slav.
  
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slates
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Re: Most promising line against QGA?
Reply #29 - 02/19/06 at 20:48:34
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Isn't White getting an edge now in the 3 e4 lines with the line discussed elsewhere in that Beliavsky-Sermek game, Inn2? I imagine this would be the sort of line you are looking for (after you pointed it out to me) - after 7.Bb3 in the Classical Variation it seems attention has shifted away from 7...Nbd7 unless anything has happened to change the assessments given in this thread - both Semkov and Rizzitano (and presumably many others) prefer 7...b5.

From Black's side I still dislike those 3 e4 lines the most....
  
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lnn2
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Re: Most promising line against QGA?
Reply #28 - 07/08/05 at 20:51:35
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hi semkov, that wasn't meant to be a criticism, more of a  observation!  for sure other QGA books don't even analyse and give assessments so many moves deep like you do.  Grin I am satisfied with the length of the variations as you currently give in your books. What variation of sicilian will GM Delchev be writing on?

About white getting a clear edge in 3. e4... well lets just say white isn't getting an edge with other moves either.  Undecided and with players like Topalov, Ivanchuk, Sakaev, Beliavsky, Van Wely, PH Nielsen etc still playing it there's still life in 3.e4 yet!

  
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Semkov
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Re: Most promising line against QGA?
Reply #27 - 07/08/05 at 16:19:18
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I have never doubted that White has enough compensation for the d4-pawn. The problem is how to get a clear edge and is this possible. I mentioned this line in the book mostly in order to give Black an inexplored alternative. So I left the subject open.
To say frankly, I'm not very sure what readers want. When we give a lot of long variations, they say "Oh, this is too complicated, we want something short and clear". But of course they complain when some line is missing.
Now GM Delchev is working on a Black repertoire book 1.e4 c5 2.Nf3 e6. Probably it will be based on both approaches - a shorter version (a quick repertoire) and then a more detailed one plus complete games. I hope you'll like it.
  
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lnn2
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Re: Most promising line against QGA?
Reply #26 - 07/08/05 at 10:04:47
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Thanks richard for your valuable opinion. straight from the horses' mouth! Cheesy after more analysis now, do agree white has sufficient comp.

Anyhow, i have decided switching to 3. Nf3 lines is too much work after playing 3. e4 for so long. The only other line is 3. Nf3 Nf6 4. Nc3 a6! but the gambit doesn't seem good enough for white. Certainly as a slav player I am happy with Black's position!

So it's still 3. e4 for me. Most challenging for awhile was 3. e4 e5 4. Nf3 ed4 5. Bc4 Bb4+ 6. Nbd2 - Scherbakov-Rublevsky. But now improvements for White were found, and so am confident white can keep an edge. Sakaev/Semkov was too brief here (according to the 1st ed. i have).
  
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IMRichardPalliser
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Re: Most promising line against QGA?
Reply #25 - 07/06/05 at 11:03:50
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Yes; perhaps I should have given 6 Qe2 cxd4 7 exd4 Nc6 8 0-0 Nxd4!? 9 Nxd4 Qxd4 more coverage. I plead that i. I like White's comp and that ii. it's unfashionable and has under ten games on the databases! However, the grab has been played by Flohr, Uhlmann and Kharlov so is an option - look forward to seeing what Semkov's new work says about it.
So 10 Rd1 Qb6 11 Nc3 Be7 12 Be3 and I still feel that White has good comp as Scholar has demonstrated. Inn2 suggests 11...a6!? 12 Be3 Qa5 which may well be more challenging, although there is still at least sufficient compensation such as with 13 Bd4!? Be7 14 Ne4 Nxe4 15 Qxe4 0-0 16 Bc3 and that c8-bishop isn't too happy, while a rook swing is also on the cards.
White has also tried an immediate 10...Qb6 11 Bb5+ when practice has shown that 11...Bd7 12 Nc3 Bxb5 13 Qxb5 Qc6 14 Be3 Be7 15 Rac1 0-0 16 Qxc6! bxc6 17 Na4 Rfc8 18 Rc4 isn't worse for White who will regain his pawn, but this probably isn't what P1d4! players are after. Thus I wonder instead about 12 Bxd7+!? Nxd7 13 Nc3 when it's not too easy for Black to unravel: 13...Bc7 14 Be3 Qc6 15 Rac1 is awkward and 13...Nf6 14 Be3 qc6 15 Rac1 a6 16 Nd5 Qxd5 17 Rxd5 Nxd5 18 Qg4 wasn't a fully convincing queen sacrifice in Malich-Ulhmann, Zinnowitz 1966 although Black did draw without as much suffering as should have been inflicted.
Black also has Kharlov's 10...Qc5!? when 11 Bb5+ Bd7 12 Bxd7+ Nxd7 14 Nc3 a6 14 Be3 Qf5 15 Qc4 Qa5! gave White comp but Kharlov went on to defend. Maybe the simple 11 Be3!? Qc7 (11...Qe5 12 Rd8+!) 12 Nc3 a6 13 Rac1 is better, intending 13...Bd6?! 14 Nb5!.
  
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Semkov
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Re: Most promising line against QGA?
Reply #24 - 07/01/05 at 03:32:29
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I completely agree with:
Quote:
... we won't see 7.Bb3 Nbd7 played anymore due to 9.Qe2!!.

Nxd7 terribly disco-ordinates Black's pieces due to the threat Na4.
  
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John Simmons
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Re: Most promising line against QGA?
Reply #23 - 07/01/05 at 03:30:58
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Hello,

I agree, and have become more interested in Semkov's, other suggestion of 7.Bb3 Nc6 8. Nc3 b5. The main idea is to avoid the more dangerous main-line positions by delaying p*p, so if this one fails, will get some experience of the main-line type positions anyway.

Bye John S
  
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Re: Most promising line against QGA?
Reply #22 - 06/30/05 at 21:29:14
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Hello;

@John Simmons;

A. My mistake, I was thinking of another line. 9.Qe2 Nd6 10.d5 e5 11.Ne5 Be7 12.Re1 0-0. GM Dautovs 12.Nxd7 Qxd7 13.Nc3 looks more precise move order. The position looks definite plus for White. Even my suggestion of mucking the position with 11.Ne5 Qe7 12.f4 f6 13.Qh5+ Kd8?! looks dubious after analysing with "Sheritz".

B. My conclusion: Unless the foremost expert in this variation, ChessPubs GM Sherbakov have better suggestion, we won't see 7.Bb3 Nbd7 played anymore due to 9.Qe2!!.

Have a nice day
  
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John Simmons
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Re: Most promising line against QGA?
Reply #21 - 06/30/05 at 10:58:55
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Hello memers,

About your line A) I knew their were transpositional posiblities, but missed the game you mentioned. Glad I gave up on it when I did, was sensing going nowhere.

In my opinion line C) is a non starter, black at least must have some material for the suffering.

You are probably right about D) should have taken what was played in the game more seriously. However, don't think many people would aim for positon like after 12...Kd8 in preparation  Smiley. Also your ofther suggestion of I think you mean 13 ...0.0 doesn't 14Na4 followed by Be3 cause problems for black?, or am I missing something.

Bye John S
  
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Scholar
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Re: Most promising line against QGA?
Reply #20 - 06/29/05 at 23:53:13
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Quote:
Scholar's line is good, but Black can protect b5 square (which Palliser doesn't deal with). Initally I had trouble after 10. Rd1 Qb6 11. Nc3 a6! (or 11...Bd7) 12. Be3 Qa5 when in casual quick games failed to find advantage. Upon reflection this looks enough compensation for white, but only just enough?!


At the moment, I agree that 11....a6 is best for Black.  (Bd7 looks weaker, or at least, a6 is coming soon anyway.)  I do think that White has compensation, and can always cash out on b7 to restore material equality, but I don't see much more than that.
  
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 ImprovementcRe: Most promising line against QGA?
Reply #19 - 06/29/05 at 23:42:32
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Hello,

To John Simmons;

A.  9.Qe2 Ndf6 10.Bc2 Qd5 11.Re1 Nd6 12.Nc3 Qc6 is transposition to power chess by GM Romanishin:

Romanishin,O (2590) - Baburin,A (2505) [D27]
Linares Anibal op 3rd Linares, 1996

1.d4 d5 2.c4 dxc4 3.Nf3 a6 4.e3 c5 5.Bxc4 e6 6.0-0 Nf6 7.Bb3 Nbd7 8.e4 Nxe4 9.Re1 Ndf6 10.Bc2 Qd5 11.Qe2 Nd6 12.Nc3 Qc6 13.Bf4 cxd4 14.Nxd4 Qc5 15.Rad1 Bd7 16.Bb3 Qh5 17.Nf3 Nf5 18.Rxd7 Nxd7 19.Bxe6 fxe6 20.Qxe6+ Be7 21.Nd4 Nc5 22.Qxf5 Qxf5 23.Nxf5 Kf7 24.Rxe7+ Kf6 25.g4 Rad8 1-0

B. 9.Qe2 Nef6 10.d5 e5 11.Nxe5 and White looks better.

C. 9.Qe2 c4 10.Bxc4 Nd6 After moving the attacked Bishop, the resulting IQP position looks better for White.  (Black need to untangle his Knights, White gains several tempi.)

D. 9.Qe2 Nd6 the best defense. Improvement are 10.d5 e5 11.Nxe5 Qe7!? with the idea of keeping the king in center after 12.f4 f6 13.Qh5+ Kd8. The other is following the Dautov game and 0-0 at move 12. Black should snipe at the d5 pawn with equality.

E. 9.Re1 is a fixed move with idea of playing an equal endgame even with GM Sherbakovs suggestion. While 9.Qe2 allows White to play uncharted middle game.

Have a nice day

  
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Re: Most promising line against QGA?
Reply #18 - 06/29/05 at 22:08:09
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Hi, thanks. must say upon analysis the gambit looks okay for White though he needs to play accurate moves.

Scholar's line is good, but Black can protect b5 square (which Palliser doesn't deal with). Initally I had trouble after 10. Rd1 Qb6 11. Nc3 a6! (or 11...Bd7) 12. Be3 Qa5 when in casual quick games failed to find advantage. Upon reflection this looks enough compensation for white, but only just enough?!
  
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Scholar
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Re: Most promising line against QGA?
Reply #17 - 06/29/05 at 16:54:16
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Well, I wasn't trying to sugges that Black should take the pawn; this was more in reply to Inn2, who had started this thread suggesting that this line is what put him off the Furman variation.
  
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John Simmons
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Re: Most promising line against QGA?
Reply #16 - 06/28/05 at 08:24:07
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Hello,

Regarding the Dautov game, the best I could find for black, with Fritz is

9.Qe2 Nd7-f6 10 Bc2 Qd5  11Re1 already a bad sign, as this position could arise from 9Re1 with bad defence from black. 11...nd6 12 Nc3 Qc6 13 Bf4 p*p 14 N*p and after 14...Qc5 or 14 ...Qc4 white's advantage keeps on growing. It is altogether too much suffering for a pawn.
             I am not very keen from black's point of view in taking on the gambit in the Furman variation for similar reasons, but will check out in more detail what the Sakaev/Semkov book has to say. Don't think this part has changed in seond edition.

Bye John S
  
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