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Normal Topic 11...Bb7 in the Marshall Attack (Read 5220 times)
Grunfeldhope
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Re: 11...Bb7 in the Marshall Attack
Reply #3 - 07/24/14 at 13:25:09
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ANDREW BRETT wrote on 07/17/08 at 08:22:49:
Nigel Short and Kamsky have played this line i think at Montreal earlier this year.I am sure Nigel drew with Anand a long time ago in this as well


Yes, I remember reading in the Montreal Chess Fest 2007... GM Short say of this Kamsky match that it was "one of the most unpleasant experiences of his career".
  
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LeeRoth
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Re: 11...Bb7 in the Marshall Attack
Reply #2 - 07/17/08 at 17:11:57
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In the Total Marshall, Tim Harding calls 11..Bb7 a solid alternative and suggests that it equalizes.  The plans here tend to be different than in the ..c6 lines.  With the bishop on f6, Black usually turns his attention to a minority attack on the queenside.  Harding's main line goes 12.d4 Bf6 13.Re1 Re8 14.Na3 b4 15.Nc4 bxc3 16.Na5 Rb8 17.Nxb7 Rxb7 18.Rxe8 Qxe8 19.Bxd5 cxb2 20.Rb1 Rb5 with equality.
  
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ANDREW BRETT
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Re: 11...Bb7 in the Marshall Attack
Reply #1 - 07/17/08 at 08:22:49
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Nigel Short and Kamsky have played this line i think at Montreal earlier this year.I am sure Nigel drew with Anand a long time ago in this as well
  
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EricJ
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11...Bb7 in the Marshall Attack
07/15/08 at 20:23:13
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I was just wondering if there is anything concretely wrong with this move instead of the overwhelmingly more popular 11...c6. I have done some analysis myself and black seems perfectly fine. I then decided to put it into DF10 overnight and it even likes Bb7 better! I understand that it is still pretty early in the game for an accurate evaluation from an engine, but its opinion shouldn't be overlooked after an all-nighter either.

In my database there are only 9 instances of Bb7...compared to 300 with c6. I also don't recall having ever seen this move in a grandmaster game. Why is it so rarely played? The only minus I really see in Bb7 is after a move like 12.d4 black can't play the normal 12...Bd6 due to 13.Bxd5 Bxd5 14.Rxd5 Bxh2+ 15.Kxh2 Qxd5 and white has two pieces for the rook. White is way underdeveloped but I don't think this should be too hard to overcome. Therefore 12...Bf6 is good but it blocks the queen's normal path to h4. If the queen could get there like in a normal Marshall white would have to be VERY careful playing g3 like he normally does, as the Bb7 is a monster! Maybe black doesn't like this line because Bf6 ruins that entire idea, at least for quite a while. Maybe 12...Nf6 is better because if something like 13.Bg5 Bd6 14.Nd2 (13.Bxf6 Qxf6 14.Rh5 g6 15.Rh3 (15.Qg4?! Rae8) c5 and black has more than full compensation) 14...Bxd5 15.dxe5 Qd3! 16.exf6 Qg6! and this is probably about equal. Therefore white should try 14.Re1 instead of Nd2 then 14...c5 15.Bc2 h6 16.Bh4 Rc8 with compensation. White's undeveloped queenside could likely cause some problems. None of this is exactly "forced" but it does a great job of showing some of the possibilities.

Are there any GMs or Marshall experts willing to tackle this one?
  
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