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Hot Topic (More than 10 Replies) Nimzo 4.Qc2 O-O 5.e4 d5 6. e5 (as by Kasimdzhanov) (Read 11254 times)
bragesjo
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Re: Nimzo 4.Qc2 O-O 5.e4 d5 6. e5 (as by Kasimdzhanov)
Reply #13 - 11/21/12 at 20:52:26
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Kasimdzhanov recommends 5 a3
  
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Re: Nimzo 4.Qc2 O-O 5.e4 d5 6. e5 (as by Kasimdzhanov)
Reply #12 - 11/02/12 at 08:46:03
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When I saw this thread title on top now, I expected it to be about Kasimdzhanov's new DVD on the 4.Qc2 Nimzo-Indian!

So, does anyone know if he covers 4...0-0 5.e4 there, or goes for the traditional 5.a3?
  
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Re: Nimzo 4.Qc2 O-O 5.e4 d5 6. e5 (as by Kasimdzhanov)
Reply #11 - 11/02/12 at 03:32:25
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Do you have any updates on the 5 e4 line; and more generally, what about the 5...d6 line?
  
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Re: Nimzo 4.Qc2 O-O 5.e4 d5 6. e5 (as by Kasimdzhanov)
Reply #10 - 07/18/12 at 21:57:54
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kandido wrote on 07/18/12 at 19:37:56:
Second question: Why not evade black's strong 9...Nc5 by playing 8.cxd5 as advocated by Vigorito and played for example Carlsen and Kramnik?

Maybe because of this variation:
  
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Re: Nimzo 4.Qc2 O-O 5.e4 d5 6. e5 (as by Kasimdzhanov)
Reply #9 - 07/18/12 at 19:37:56
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Quote:

Nimzo 4.Qc2 O-O 5.e4 d5 6. e5 (as by Kasimdzhanov)
03/13/12 at 17:08:51  

A recent ICCF corr game went:

Download game in pgn format - beta version


Both correspondence chess player were following the game Kasimdzhanov-Bacrot, Nalchik 2009, for quite a while. That game ended peacefully after 18. Be2 and a repetition of moves.

The new move 18. g4 was mentioned already by Krasenkow in his annotations of the 2009 game when he believed that White has compensation after 18... Qxg4 19.Qd2.

How to assess this after some computer assisted analysis? Why didn't Black pick up the pawn that way in the 2011 corr game? When he finally had to play 19...Qxg4 one move later in the game my computer is about to confirm that Black is lost.


I don't get it. After 20.Rhg1 black throws in the towel?? A compu line goes 20...Qxf3 21.Bh6 g6 22.Bxg6 Qxd1+ 23.Qxd1 fxg6 24.Bxf8 Bxf8 and black's not doing so bad?!

Second question: Why not evade black's strong 9...Nc5 by playing 8.cxd5 as advocated by Vigorito and played for example Carlsen and Kramnik?
  
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Re: Nimzo 4.Qc2 O-O 5.e4 d5 6. e5 (as by Kasimdzhanov)
Reply #8 - 07/05/12 at 15:13:32
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Just to see what's in it for us..  Wink
  
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Re: Nimzo 4.Qc2 O-O 5.e4 d5 6. e5 (as by Kasimdzhanov)
Reply #7 - 07/05/12 at 14:19:40
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http://chessbase.de/nachrichten.asp?newsid=13126

9. ...Nc5!?
  
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Re: Nimzo 4.Qc2 O-O 5.e4 d5 6. e5 (as by Kasimdzhanov)
Reply #6 - 03/16/12 at 14:58:36
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It seems funny to me that perfectly obvious moves like g4 here are adorned with "N".
  
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Re: Nimzo 4.Qc2 O-O 5.e4 d5 6. e5 (as by Kasimdzhanov)
Reply #5 - 03/15/12 at 22:21:34
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Thanks!

Back to 18. g4N (the Bokar-Plomp game in my first posting) and then ...Qxg4. White indeed seems to have strong play here. My key lines are
19. Qd2 Be7 20. h4 Nxc4 21. Bxc4 dxc4 22. h5 Qg2 23. Rhg1 Qd5 24. Qc2 with threads against g7 and the black queen
or 
19... Qh5 20. Be2 Qg6+ 21. Ka1 Na4 22. Rb1 dxc4 23. Nb5 Be7 24. Rhg1 Qf5 25. Nd6 Bxd6 26. exd6 with very active pieces and possibly an attack.
  
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Re: Nimzo 4.Qc2 O-O 5.e4 d5 6. e5 (as by Kasimdzhanov)
Reply #4 - 03/15/12 at 19:13:18
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Papageno wrote on 03/15/12 at 18:04:09:

10. ... Ndc5 11. O-O Bxc3 12. bxc3 Bd7 13. Be2 Na4 14. cxd5 exd5 or
10. ... Ndc5 11. O-O Nxd3 12. Qxd3 Bxc3 13. bxc3 b6 14. cxd5 exd5
Are they doing fine theoretically as well?

As long as I know, they're doing quite well. Though I find the first line better than the second one. Don't know why - maybe a matter of taste. Anyway, the "fever" line now is with 10...Qh4.  Smiley
  
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Re: Nimzo 4.Qc2 O-O 5.e4 d5 6. e5 (as by Kasimdzhanov)
Reply #3 - 03/15/12 at 18:04:09
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Vass wrote on 03/13/12 at 18:00:26:
A model game for Plomp had to be this one:
(...)10. Bf4 Qh4 11. g3 Qh5 12. O-O g5


Well, thanks, I'm quite new to this line and I was looking for something playable over-the board for Black. 

10... Qh4 followed by 11... Qh5 seems o.k. for Black but I'm getting the impression that this demands memorizing some more or lessed forcing lines here. (in order to justify the committing 12... g5)

What about these lines instead?
10. ... Ndc5 11. O-O Bxc3 12. bxc3 Bd7 13. Be2 Na4 14. cxd5 exd5 or
10. ... Ndc5 11. O-O Nxd3 12. Qxd3 Bxc3 13. bxc3 b6 14. cxd5 exd5
Are they doing fine theoretically as well?
  
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Re: Nimzo 4.Qc2 O-O 5.e4 d5 6. e5 (as by Kasimdzhanov)
Reply #2 - 03/13/12 at 18:00:26
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A model game for Plomp had to be this one:
  
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Re: Nimzo 4.Qc2 O-O 5.e4 d5 6. e5 (as by Kasimdzhanov)
Reply #1 - 03/13/12 at 17:35:54
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Wow!.. I wonder why Plomp entered into this variation not knowing that 11...Qh5 (preventing white's 0-0-0) is way better than 11...Qh3?! (trying to prevent white's 0-0.. Hence g3-g4 after 0-0-0 can be a good move indeed)  Shocked
Example: Parligras-Naiditsch, Sarajevo 2011 where Naiditsch played 11...Qh5 and...lost but not because of the opening. Later Naiditsch won in this variation with 11...Qh5 against Zhigalko in a rapid game in Warsaw. Black has a very good score with 11...Qh5 which is not valid for 11...Qh3?!.
It's true that the theory in this variation is still under fire (most of the games were played in 2011), but this is not an excuse for a good correspondent player.  Angry
  
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Nimzo 4.Qc2 O-O 5.e4 d5 6. e5 (as by Kasimdzhanov)
03/13/12 at 16:08:51
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A recent ICCF corr game went:


Both correspondence chess player were following the game Kasimdzhanov-Bacrot, Nalchik 2009, for quite a while. That game ended peacefully after 18. Be2 and a repetition of moves.

The new move 18. g4 was mentioned already by Krasenkow in his annotations of the 2009 game when he believed that White has compensation after 18... Qxg4 19.Qd2.

How to assess this after some computer assisted analysis? Why didn't Black pick up the pawn that way in the 2011 corr game? When he finally had to play 19...Qxg4 one move later in the game my computer is about to confirm that Black is lost.
  
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