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A new white line in BDG Teichmann? (Read 399 times)
Lovuschka
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A new white line in BDG Teichmann?
06/15/10 at 20:01:12  
The following line was played by me several times and I found black players to have a hard time against it. I did not find it in Gary Lane's book.

1.d4 d5 2.e4 dxe4 3.Sc3 Sf6 4.f3 exf3 5.Sc3 Bg4 6.h3 Bh5 7.g4 Bg6 8.Se5 e6 9.Bc4

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The idea is to make black unable to move the h7 pawn without issues.

9...Be4 10.O-O Bd5 11.Bxd5!! exd5 12.g5 wins for white.

The critical variation might be 9...Be4 10.O-O Bxc2! 11.Qd2! Bg6 12.g5 Sfd7 13.Sxg6 hxg6 14.Qf4 Qe7 15.Qxc7 Sb6! 16.Bb5+ Sc6 17.Bxc6+ bxc6 18.Qxc6+ Qd7 19.Qxd7+ Sxd7, which looks like a draw.

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Maybe 10.Rf1 is an improvement but I didn't test that in practical play yet. The computer gives 9...Bb4 as a strong move and I didn't find anything against that yet.

A game I played went 9...Bd6 10.Qe2 Qe7 11.h4 Bb4 12.O-O Sbd7 13.h5 c5?? 14.hxg6 hxg6 15.Sb5 Sxe5 16.dxe5 Sd5 17.Sd6+ Kd8 18.Bxd6 exd6 19.Bg5 f6 20.Rxf6 and black gave up (Hornecker - Fischer, Landesliga 2009/2010, 21st February 2010).

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SWJediknight
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Re: A new white line in BDG Teichmann?
Reply #1 - 07/07/10 at 19:13:10  
I may come back to this later when I have time- I am not overly familiar with the theory in the Teichmann, but when I analysed over the position, if I remember rightly I thought 9.h4, threatening g5, or Nxg6 followed by g5 or h5 at appropriate moments, was the most likely response to give full compensation.  9.Bc4 looks interesting and an improved version of the Bc4, Ne5, 0-0 lines of the Ziegler, but I'll check later to see how it holds up analytically.
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Re: A new white line in BDG Teichmann?
Reply #2 - 07/08/10 at 00:50:52  
I am familiar with theory in the Teichmann Defense, having invented a few improvements myself. After 8 Ne5 e6 9 Qf3! c6 10 g5 Nd5 11 Nxg6 hxg6 12 00 Qe7 (or 12 Rf1 Qe7) 13 Bd2 with the ideas Rf2-Raf1
White has full compensation for the pawn.
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Lovuschka
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Re: A new white line in BDG Teichmann?
Reply #3 - 07/09/10 at 16:00:11  
9.Qf3 is the standard move, I think. Would have to look into the Gary Lane book.

Well, in my "improvement", as I said before, the problem is that I don't have anything against 9.Bc4 Bb4! yet.
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