New Ideas In The Nimzo!

Hi everyone.  Part time experimental Nimzo player here... don't take anything I say seriously :P.

I was analyzing a few games played in SuperGM tournaments lately, and noticed something pretty interesting.  A few of these GM's (most notably Kramnik) have been playing a rather neat line. 

I was wondering if anyone knew where I could access some info about this line.  Or is it entirely novel?  I've noticed it's very rare in my database.

Here's the opening, no doubt you recognize it.

Any analysis would be great!

-matt

I've come across 6... b5. d5 looks fine but I'll check in my nimzo book.

I'm sure it's fine :).  Kramnik has used it a few times this year :P.  But yeah, check your book.  I wanna see what's supposed to be played on Bg5.  Is c5 accurate?

I will check my Alburt/Dz.  book

PS. On 7. Bg5 there's a very interesting line being played...

7. ... c5!? ... with massive compensation.  8. dxc5 d4 -=

Anyone who has info on that becomes my best friend :P

It says instead of 6... d5 , a straight Ne4 is good.

Im looking on Bg5. Its definatly in here.

Edit:No its not. ITS ONLY ABOUT 6... b6!! Ugh...

Im using the book "Mastering the Nimzo-Indian" with read and play method. By Tony Kosten.

Right.  That's all I was able to find too Harry.  The problem (or in my case exciting) factor in this line is the particular move order. ... White is missing so many active chances. 

But again,  I can't find any theory on it!  It seems totally new. 

Time to get in touch with my inner rybka. 

 That's interesting, he has played the d5 in the last 3 games he has played the Nimzo in 2009, whereas he has played b6 all the time previously, 14 times.

It's not like there's absolutely no theory in it though, digital opening books like Rybka, Sheebar etc have many lines with it.

Note that similar positions can be reached from Karo-Kann, which is known to be okay for black. All white has is the bishop pair, Humphreys beat me nicely here. Note: I play c4 just for some additional alternatives. It allows me to take on d5 twice.

I've never seen cxd5 before... surely black is better since he is already castled and has a nice knight on e4

6...d5 was always considered bad, until Anand starting playing it earlier this year. Now it's all the rage at top level.

Carlsen got a very bad position as White against Kramnik in the Tal Memorial, and he has avoided 4.Qc2 since then, even though he got next to nothing from 4.f3 and 4.e3 as well. The Nimzo is in extremely good shape theoretically...

Good Example Ih8sens. Lots of people are taking up the Nimzo
 again, where before they might have given it up for other things. But you brought out some good points....Thanks!

what about that Nimzo variation Kasparov used in his match against Short?

How come no one mentioned 4...Nc6?

allow me to share 4...Nc6 by giving you an intro on the Bogo - Indian

Now, applying the same strategy and position using the Nimzo-indian

I'm using the book Chess Openings for Black - Explained by Lev Alburt, Roman Dzindzichashvili and Eugene Perelshteyn.

I think GM Roman Dzindzi has a point in recommending those defences. The games above are also the ones he cited in the book.

ooppsss wrong game. this should be it!

sorry. my bad!

I guess no one mentioned those lines because that's not the line the thread is about. :).