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Normal Topic London System Question (Read 2924 times)
rooksway18
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Re: London System Question
Reply #5 - 02/17/09 at 07:32:54
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Anonymous3 wrote on 10/11/08 at 23:00:24:
Do you think this line is better for White or equal for Black?


It seems to me at least equal for black after 1.d4 d5 2.Bf4 c5 3.e3 Nc6 4.c3 Nf6 5.Nbd2 Qb6 6.Qb3 and now 6...c4 7.Qc2 g6 and black will get in ...Bf5 anyway.

Does the extra tempo to enforce ...Bf5 by playing ...g6 really change the assessment of this line?

Perhaps another way for black to equalize is 5...Bg4 and if 6.Ngf3 e6 transposes to Keres-Reshevsky 1937 which was eventually won by Reshevsky.

I play the London as white, and am trying to understand this line better. For example, Winning With The London suggests 8.f3 as a possibility for white.
« Last Edit: 02/17/09 at 16:14:35 by rooksway18 »  
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GMEricPrie
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Re: London System Question
Reply #4 - 10/15/08 at 16:34:02
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That is me, dismayed.

Watson and Shiller you said?
  
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winawer77
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Re: London System Question
Reply #3 - 10/15/08 at 10:38:55
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I agree, 6...cxd4 is far from a good move. In fact 5...Qb6 doesn't look to hot either. The general point (in my opinion, at least) of ...Qb6 in this type of London position is to meet Qb3 with ...c4, then Qc2 with ...Bf5. The point being that the bishop on f5 cannot be captured because of ...Qxb2, winning the trapped rook on a1.

Of course, none of this works here as White has substituted ...Nf3 for ...Nd2, which is an important difference. Therefore ...Qb6 does not have the usual impact.

Incidentally, Prie only recommends ...Bf5 in this position.
  
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Nietzsche
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Re: London System Question
Reply #2 - 10/14/08 at 23:22:16
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Equal.

I'm not sure 6...cxd4 is black's best, but he is still fine in the final position.  He has good pieces and nice central control.  And I agree that having the a-file opened up for his rook (and control over c5) is certainly not disadvantageous for Black.  No problems.
  

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drkodos
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Re: London System Question
Reply #1 - 10/11/08 at 23:11:59
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=
  

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Anonymous3
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London System Question
10/11/08 at 23:00:24
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In the book How to Succeed in the Queen Pawn Openings, John Watson and Eric Schiller recommend 1 d4 d5 2 Bf4 c5 3 e3 Nc6 4 c3 Nf6 5 Nd2 Qb6 6 Qb3 cxd4 7 Qxb6 axb6 8 exd4 Bf5 against the 2 Bf4 London System and they say its =. At first I was thinking this must be better for White due to the doubled pawns but Black does have the open a-file, easy development, and good coordination of the pieces. Do you think this line is better for White or equal for Black?
  
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