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Normal Topic Queen's Indian Hedgehog (Read 5772 times)
Grijandel
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Re: Queen's Indian Hedgehog
Reply #4 - 06/23/11 at 07:48:50
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TN wrote on 04/15/11 at 03:22:22:

You can also try for a Hedgehog type of position with 4.a3 c5, but simply 5.d5 leads to a Benoni position where White is a bit better.



After 4.a3 there is also 4.... Ba6 5.Qc2 Bb7 6. Nc3 c5 and since now white cannot play d5 you get a Hedgehog.
  
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BPaulsen
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Re: Queen's Indian Hedgehog
Reply #3 - 04/15/11 at 10:42:00
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TN wrote on 04/15/11 at 03:22:22:
There was a thread on here which examined 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 c5 6.d5 ed5 7.Nh4 g6 8.Nc3 Bg7 9.0-0 and now 9...d6! (BPaulsen), which makes 5...c5 more respectable than what theory claims.

You can also try for a Hedgehog type of position with 4.a3 c5, but simply 5.d5 leads to a Benoni position where White is a bit better.

The main reason why Black can't force a Hedgehog position from the 0E323F0A283F293F2E29353C686B6A6A5A01 is because White can usually meet ...c5 with d5, leading to a favourable version of the Benoni because Black's light-squared bishop is somewhat misplaced. The 5...c5/9...d6 variation above is possibly an exception.



White can get an edge in that line with 9...d6, but he needs to know a lot of specifics. Remarkably, without the specifics not only does he seem to lose any advantage, but struggles to even demonstrate equality.

The line needs more practical tests, anyway. If a black player has a dying urge to play Hedgehogs versus 1. d4, it's his best bet.

That aside, obviously the Hedgehog is primarily intended for dealing with the English.
  

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TN
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Re: Queen's Indian Hedgehog
Reply #2 - 04/15/11 at 03:22:22
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There was a thread on here which examined 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 c5 6.d5 ed5 7.Nh4 g6 8.Nc3 Bg7 9.0-0 and now 9...d6! (BPaulsen), which makes 5...c5 more respectable than what theory claims.

You can also try for a Hedgehog type of position with 4.a3 c5, but simply 5.d5 leads to a Benoni position where White is a bit better.

The main reason why Black can't force a Hedgehog position from the QID is because White can usually meet ...c5 with d5, leading to a favourable version of the Benoni because Black's light-squared bishop is somewhat misplaced. The 5...c5/9...d6 variation above is possibly an exception.

  

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MartinC
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Re: Queen's Indian Hedgehog
Reply #1 - 04/14/11 at 16:51:20
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Pure bred, pedigree hedgehogs? No. Too easy for white to meet c5 with a strong d5.

Spiritual relatives though, do certainly exist. cf:

4 g3 Ba6 5 b3 Bb7!? ^ 6 Bg2 Bb4+ 7 Bd2 a5!? or:
4 a3 Ba6 5 Qc2 Bb7 6 Nc3 c5 7 e4 cd 8 Nxd4 and then d6 hedgehogy although Nc6/Bc5 more popular.

Think that 4 e3/Nc3 pretty well force different types of structure. I'd say thats healthy Smiley I do think, with carefully chosen lines, its probably the closest you'll get to hedgehog 'style' play vs d4/Nf3.
  
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rukh
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Queen's Indian Hedgehog
04/14/11 at 14:41:24
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It looks like the QID hedgehog isn't very common but surely there are some theoretically sound lines which lead there. How to get the Hedgehog when playing the QID?
  
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