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Hot Topic (More than 10 Replies) QGR: D44 (Read 24562 times)
TN
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Re: QGR: D44
Reply #5 - 12/01/11 at 12:03:11
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fling wrote on 12/01/11 at 11:53:29:
TN wrote on 12/01/11 at 09:32:48:
Here is the group analysis thus far on D44. 

I don't know of any refutation of 9.exf6, so this can also be considered.


I can't remember any refutation, but I haven't seen any real advantage for White in this line as far as I can remember. I'm at work, can't check the analysis right now. I might be a good practical line anyway.


Those are my thoughts as well, which is why I'm more interested in 9.Bg3 at the moment.
  
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fling
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Re: QGR: D44
Reply #4 - 12/01/11 at 11:53:29
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TN wrote on 12/01/11 at 09:32:48:
Here is the group analysis thus far on D44. 

I don't know of any refutation of 9.exf6, so this can also be considered.


I can't remember any refutation, but I haven't seen any real advantage for White in this line as far as I can remember. I'm at work, can't check the analysis right now. It might be a good practical line anyway.
« Last Edit: 12/01/11 at 22:12:25 by fling »  
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TN
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Re: QGR: D44
Reply #3 - 12/01/11 at 09:32:48
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Here is the group analysis thus far on D44. 

I don't know of any refutation of 9.exf6, so this can also be considered.
  
D44_003.pgn ( 10 KB | 272 Downloads )
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Pantu
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Re: QGR: D44
Reply #2 - 11/30/11 at 17:22:35
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9 Nxg5 Nd5 is at least one other system.  Not to mention the systems where black goes ...Qa5 early enough, and Botvinnik's old favourite with ...Nd7-e5 where white sacrifices his queen, and....

I'm rather interested in 9 exf6 gxh4 10 Ne5 Qxf6 11 g3!? as featured in Dangerous Weapons: The Queen's Gambit and also a New in Chess survey (plus a few other places).  This is mainly to avoid the plethora of black options.  Has anything conclusive turned up to refute this line?
  
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Re: QGR: D44
Reply #1 - 11/29/11 at 15:28:06
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This is a wide field; there are so many critical positions; 
@TN
I´m sure you´ve a proper overview of all systems, maybe you could give the critical games to the subsystems I mention below to have a starting point?! Smiley

#1:

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. exf6 

#2:

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Bg3

#3:

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Be7 11. exf6 Bxf6 12. Be3 

#4:

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. g3 Rg8 12. h4 Rxg5 13. hxg5 Nd5 14. g6 fxg6 15.Qg4 Qe7 

#5:

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. exf6 Bb7 12. g3 c5 13. d5 Nxf6 (13... Bh6) (13... Nb6)

#6:

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. exf6 Bb7 12. g3 c5 13. d5 Qb6 14. Bg2 O-O-O 15.O-O b4 16. Na4 

# 7:

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. exf6 Bb7 12. g3 c5 13. d5 Qb6 14. Bg2 O-O-O 15.O-O b4 16. Rb1 







  
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TN
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QGR: D44
11/28/11 at 14:05:50
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Thread for discussing the ECO code 'D44' (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.Bg5 dxc4) for the ChessPub Forum Queen's Gambit Repertoire (QGR) group project.
  
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