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Normal Topic Some odd QID transpositions (Read 2165 times)
Pantu
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Re: Some odd QID transpositions
Reply #1 - 10/17/10 at 20:47:28
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Perhaps after the second line 1 d4 Nf6 2 c4 e6 3 Nf3 b6 4 g3 Bb7 5 Bg2 Be7 6 0-0 d5 7 cxd5 Nxd5!? it might be better to try 8 Re1!? and 9 e4
  
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Pantu
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Some odd QID transpositions
10/17/10 at 20:19:13
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When looking through a Chessbase magazine article by Grivas on the QID, I noticed two barely used plans that transpose to another opening with a large batch of theory:

1 d4 Nf6 2 c4 e6 3 Nf3 b6 4 g3 Bb7 5 Bg2 c6!? 6 0-0 Be7 and now it ends up in a Closed Catalan, especially after Grivas' preference of 7 Nbd2 d5 and now he looks at both 8 b3 (see Wojo's Weapons) and 8 Qc2 (see Avrukh).

1 d4 Nf6 2 c4 e6 3 Nf3 b6 4 g3 Bb7 5 Bg2 Be7 6 0-0 d5 7 cxd5 Nxd5!? when Grivas goes 8 Nc3 0-0 9 Re1 followed by e4 but this looks to me like the Anti-QID from a 1 Nf3 repertoire (i.e. 1 Nf3 Nf6 2 c4 b6 3 g3 Bb7 4 Bg2 e6 5 0-0 Be7 6 Nc3 0-0 7 Re1 d5 8 cxd5 Nxd5 9 e4 Nxc3 10 bxc3 c5 11 d4) and there is a direct transposition after for instance 9...c5 10 e4 Nxc3 11 bxc3.  Of course whether you consider this an Anti-QID or just a branch of it black is move ordered into is a moot point.

In any case it seems that playing the g3 QID requires some knowledge of this!
  
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