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Hot Topic (More than 10 Replies) Kasimdzhanov plays the Dragon (Read 16638 times)
bragesjo
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Re: Kasimdzhanov plays the Dragon
Reply #24 - 03/25/10 at 14:54:35
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Nobi wrote on 03/25/10 at 13:15:38:
I think you always get a headache when you play the Dragon as Black.


Thats seems to bee the general opinion Smiley. Howevever I wish that everyone I meet would allow me to play the Dragon as black in every single game since in many sharp Dragon postions it is easy to beat (or draw by force) much stronger players, especielly vs untitled players.
  
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Re: Kasimdzhanov plays the Dragon
Reply #23 - 03/25/10 at 13:15:38
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I think you always get a headache when you play the Dragon as Black.
  
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Re: Kasimdzhanov plays the Dragon
Reply #22 - 03/22/10 at 05:33:31
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I did some analysis of the game against Vachier Lagrave here:
http://openingtheory.wordpress.com/annotated-games/vachier-lagrave-kasimdzhanov/

It didn't look to me like White got much after 18.Rxh5!?, but I think I found a good improvement in the 18.Nce2! line, at some point playing f4 instead of Qxa5.  There are also some interesting exchange sacs to play instead of just capturing on g3 (not just a temporary one like 18.Rxh5), but it appears to me that simpler is better.  Basically it really reminds me of the Polgar game.
  
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Re: Kasimdzhanov plays the Dragon
Reply #21 - 07/27/09 at 15:46:27
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Who knows if Vachier-Lagrave even prepared it. Probably he did, but he's certainly a strong enough tactician to find the idea himself OTB. He probably didn't, but from what I've seen of his play, he could have easily found this idea.  Grin
  
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Re: Kasimdzhanov plays the Dragon
Reply #20 - 07/27/09 at 14:12:58
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17...g3 has been played first in a game Rudolf-Lichmann, German youth championship 2008. Here, the white player did not find 18.Rxh5. This is Rybka's and Fritz' first choice however.

So my guess would be, that lots of white players had this novelty prepared. And the Australian junior was the lucky one to get the chance to play this move first. In fact, Mr. Vachier-Lagrave could have seen this game from TWIC 764 (published 29.6.2009), if he not had prepared this move before himself.

Whether or not the Dragon is dead now, or a bit more dead, as Rogers seems to imply, is still a different story.

Edit: I agree with brasjego that the Vachier Lagrave vs. Kasimdzhanov game was far from clear after move 23. On the other side, the Muller-Goundar game had ended abruptly after a blunder at move 20. So, in order to correct Mr. Rogers: In my opinion, the Aussie juniors game tells almost nothing about the future of this line.

Edit 2: What I mean is: In order to make this line not playable for black, you have to refute all of the alternatives 17... g3 and 17... Qf6 and 17... Bh8, at least.
  
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bragesjo
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Re: Kasimdzhanov plays the Dragon
Reply #19 - 07/27/09 at 13:56:36
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Well, I am not surprised that Rxh5 was played at all since else blacks gets away with hes play. However I still dont think that this line gives white any advantage at all after Kasimdzhanov 20 .. Bf6 instead of your posts losing fast move. Shure black lost but he could hade forced a draw by playing pawn to h3.
  
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Re: Kasimdzhanov plays the Dragon
Reply #18 - 07/27/09 at 11:45:02
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This is in reference to Vachier-Lagrave vs Kasimdzhanov's game at san Sebastian. (caveat: I have not really look into the database to see what is a novelty and what is not. Perhaps someone can do that?)

Retired GM Ian Rogers has written in the Sydney Sunday paper, Sun Herald, about the story of an Australian junior, Jonas Muller, who may have inadvertently played himself into chess history with his novelty refuting a main Dragon line. The game was played at the Oceania Zonal

[Event "2009 Oceanic Zonal Open"]
[Site "Tweed Heads"]
[Date "2009.06.26"]
[Round "9.16"]
[White "Muller, Jonas"]
[Black "Goundar, Sanmogam"]
[Result "1-0"]
[ECO "B78"]
[WhiteElo "1981"]
[BlackElo "1903"]
[PlyCount "41"]
[EventDate "2009.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AUS"]
[Source "MonRoi"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2
Nc6 9. Bc4 Bd7 10. O-O-O Rc8 11. Bb3 Ne5 12. Kb1 Re8 13. h4 h5 14. g4 hxg4 15.
Rdg1 e6 16. h5 Nxh5 17. Bh6 g3 18. Rxh5 gxh5 19. Rxg3 Ng6 20. Nf5 exf5 21. Rxg6
1-0

Ian Rogers' commentary: The old alternative to 17...g3 is 17...Kh7 which "has also been found wanting in previous games but the text move was supposed to be fine for Black - until now ... 18 Rxh5!

Ian Rogers said that 2 weeks later, Vachoer-Lagrave picked up the idea, possibly from TWIC, and used it to gain a point from Kasimdzhanov at San Sebastian.

Any comments on this? Has an Aussie junior finally made chess history in the Sicilian Dragon?
  
http://www.toutautre.blogspot.com/
A Year With Nessie ...... aka GM John Shaw's The King's Gambit (http://thekinggambit.blogspot.com.au/)
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bragesjo
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Re: Kasimdzhanov plays the Dragon
Reply #17 - 07/08/09 at 10:15:07
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Well according to Fritz 10 running on an older computer (I am not at home)  black has a major improvment at move 27 , pawn to h3 seems to hold the balance. After Kh7 black is lost. However white might have even better moves before. Also the white player has more than 2700 in ELO.

The reason for the novelty was perhaps to avoid whites best line after Qf6 is 17. Rdg1 Qf6 18. fxg4 Bxh6 19.
Qxh6 Qg7 20. Qe3 Nf6 21. g5 Nh5 22. Ndb5 Bxb5 23. Nxb5 Red8 24. Qxa7 and white is at least slighlty better. Comparing to Soltis main line where white king is at c1 there is no check at f4 after Qxh6.

[Event "European Cultural City 2016 Tournament"]
[Site "Donostia-San Sebastian/Spain"]
[Date "2009.07.07"]
[Round "1"]
[White "Vachier-Lagrave, Maxime"]
[Black "Kasimdzhanov, Rustam"]
[Result "1-0"]
[ECO "B78"]
[PlyCount "91"]
[EventDate "2009.??.??"]
[TimeControl "40/5400+30:0"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2
Nc6 9. Bc4 Bd7 10. Bb3 Rc8 11. O-O-O Ne5 12. Kb1 Re8 13. h4 h5 14. g4 hxg4 15.
h5 Nxh5 16. Bh6 e6 17. Rdg1 g3 {novelty} (17... Qf6 18. fxg4 Bxh6 19. Qxh6 Qg7
20. Qe3 Nf6 21. g5 Nh5 22. Ndb5 Bxb5 23. Nxb5 Red8 24. Qxa7 {
and white is better}) 18. Rxh5 (18. Nce2 Qf6 19. Bxg7 Qxg7 20. Nxg3 Nxg3 21.
Rxg3 a5 22. Qxa5 Nd3 23. Qb6 (23. c3 Qe5 24. Qxe5 dxe5 25. Nc2 Kg7 {equal})
23... Rc6 24. Qb5 Qxd4 25. Qxd3 Qxd3 26. cxd3 Rc7 27. f4 Kg7 28. d4 Rh8 29.
Rxh8 Kxh8 30. d5 Kg7 31. dxe6 fxe6 32. Bc2 e5 33. f5 Be8 34. Rd3 gxf5 35. exf5
Bf7 36. Rxd6 Bxa2+ 37. Kxa2 Rxc2 38. Rg6+ Kf7 39. Re6 Re2 40. Kb3 b5 {
theoretical draw}) (18. Bxg7 Kxg7 19. Rxg3 Rh8 20. Rgh3 Qf6 {
and black is better}) 18... gxh5 19. Rxg3 Ng6 20. Nf5 Bf6 21. Nxd6 Rc6 22. Nxe8
Bxe8 23. Qh2 h4 24. Rg2 (24. Rg1 Bd4 25. Rd1 Rd6 26. Nd5 Bc5 27. Be3 Rxd5 28.
Rxd5 exd5 29. Bxc5 dxe4 30. Qg1 Qf6 31. fxe4 h3 {
unclear. White might be slightly betterbut Rybka preferces black}) 24... Bxc3
25. bxc3 Qd1+ 26. Bc1 Qxf3 27. Rg1 Kh7 (27... h3 28. Qb8 (28. Rg3 Qxe4 29. Rxh3
Qe5 30. Rg3 Qc5 31. Rg5) 28... Kg7 29. Qxe8 (29. c4 Qf2 30. Bb2+ e5 31. Bxe5+
f6 32. Bh2 Bf7 33. Rc1 b6 34. c5 bxc5 35. Qa8 Bxb3 36. Qxc6 Bxc2+ 37. Rxc2 Qe1+
38. Kb2 Qb4+ 39. Kc1 Qe1+ 40. Kb2 Qb4+ 41. Ka1 Qe1+) 29... h2 30. Rxg6+ fxg6
31. Qe7+ Kh8 32. Qh4+ Qh5 33. Qd8+ Kg7 34. Qe7+ Kh8 35. Bxe6 Rxe6 36. Qf8+ Kh7
37. Qf7+ Kh8 38. Qf8+) 28. Qb8 Bd7 {now is black lost} (28... h3 {
is still possible} 29. Rg3 (29. Qxe8 h2 30. Rxg6 fxg6 31. Qe7+ Kh8 32. Qh4+ Qh5
33. Qd8+) 29... Rc8 30. Rxh3+ Qxh3 31. Qxc8 Bc6 32. Qc7 Kg7 33. e5 Qf5 34. Be3
a6 {black can hold the position}) 29. Qd8 Bc8 30. Qg5 Kg8 {only move} 31. Qxh4
b6 {not black is more or less lost} 32. Qe7 Kg7 33. Qxa7 e5 34. Rg5 Rf6 35. Qc7
Be6 36. Qxe5 Kg8 37. Qd4 Bxb3 38. axb3 Re6 39. Qd8+ Kg7 40. c4 Rxe4 41. Qd5 Qe2
42. Bb2+ Kh6 43. Rg1 Qf3 44. Bd4 b5 45. Bf6 bxc4 46. Qxf7 1-0
« Last Edit: 07/08/09 at 14:33:27 by bragesjo »  
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Re: Kasimdzhanov plays the Dragon
Reply #16 - 07/07/09 at 21:37:27
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[Event "European Cultural City 2016 Tournament"]
[Site "Donostia-San Sebastian/Spain"]
[Date "2009.07.07"]
[Round "1"]
[White "Vachier-Lagrave, Maxime"]
[Black "Kasimdzhanov, Rustam"]
[Result "1-0"]
[ECO "B78"]
[Annotator "Robot 3"]
[PlyCount "91"]
[EventDate "2009.??.??"]
[TimeControl "40/5400+30:0"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2
Nc6 9. Bc4 Bd7 10. Bb3 Rc8 11. O-O-O Ne5 12. Kb1 Re8 13. h4 h5 14. g4 hxg4 15.
h5 Nxh5 16. Bh6 e6 17. Rdg1 g3 18. Rxh5 gxh5 19. Rxg3 Ng6 20. Nf5 Bf6 21. Nxd6
Rc6 22. Nxe8 Bxe8 23. Qh2 h4 24. Rg2 Bxc3 25. bxc3 Qd1+ 26. Bc1 Qxf3 27. Rg1
Kh7 28. Qb8 Bd7 29. Qd8 Bc8 30. Qg5 Kg8 31. Qxh4 b6 32. Qe7 Kg7 33. Qxa7 e5 34.
Rg5 Rf6 35. Qc7 Be6 36. Qxe5 Kg8 37. Qd4 Bxb3 38. axb3 Re6 39. Qd8+ Kg7 40. c4
Rxe4 41. Qd5 Qe2 42. Bb2+ Kh6 43. Rg1 Qf3 44. Bd4 b5 45. Bf6 bxc4 46. Qxf7 1-0

17...g3 novelty seems dubios?! Why not 17...Qf6 which was already played ?
  
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bragesjo
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Re: Kasimdzhanov plays the Dragon
Reply #15 - 01/15/09 at 13:03:01
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Kb1 is ideed whites most challanging move Smiley.

But black can avoid it if he wiches since white can not force black to enter this line. Some strong players play flexible like if 10 0-0-0 chinese (Rb8), if 10 Bb3 Nxd4 11 Bd4 b5 system (not refuted yet). h4 is of couse meet by h5 and regular Soltis and meeting any later Kb1 (except Bg5 Rc5 Kb1) with Nc4 transposing to Anand-Kasparov.

Also other strong players plays Rc8 Nxd4 b5 system.
  
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Re: Kasimdzhanov plays the Dragon
Reply #14 - 01/15/09 at 10:42:59
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thanks, i was curious, from what i've understand 12. Kb1 gives many draon players headaches.  is this still true?
  
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Re: Kasimdzhanov plays the Dragon
Reply #13 - 01/14/09 at 23:51:57
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wcywing wrote on 01/14/09 at 14:50:43:
i'm just wondering why Kasimdzhanov and magnus are playing the Dragon instead of the other sicilians?  is the Dragon more tactica or sound?  or is it more of a surprise weapon?  


Fashion in GM.s opening choices changes quicker than fashion in clothes (Janos Flesch, 1981).
  
The book had the effect good books usually have: it made the stupids more stupid, the intelligent more intelligent and the other thousands of readers remained unchanged.
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Re: Kasimdzhanov plays the Dragon
Reply #12 - 01/14/09 at 15:12:58
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When both Grischuk and Carlsen played it first time, that was surprise. When Radjabov and Svidler also played it it became trendy.  And Kasimdzhanov joined the trend Smiley.  The Bc4 yugoslav lines are more tactial but 9 0-0-0 black usaully plays d5 for soundness, even throught they may be less sound than most sicilians. Right now the Dragon is trendy, next year maybe back to the shadows again,who knows?

EDIT Also I predicted that the dragon should return to toplevel agian several years ago when Dragon was hiding in the shadows. After all Dragon has been played as black by some great players like Kasparov,Anand,Topalov and Ivanchuk and do to out of trend they switched to Najdorf and now Dragon is trendy and some other great players switch sicilian to Dragon.
« Last Edit: 01/14/09 at 20:36:43 by bragesjo »  
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Re: Kasimdzhanov plays the Dragon
Reply #11 - 01/14/09 at 14:50:43
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i'm just wondering why Kasimdzhanov and magnus are playing the Dragon instead of the other sicilians?  is the Dragon more tactica or sound?  or is it more of a surprise weapon?
  
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bragesjo
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Re: Kasimdzhanov plays the Dragon
Reply #10 - 12/31/08 at 14:15:27
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It appeard that I missed an other Kasimdzhanov  dragon.

http://www.chessgames.com/perl/chessgame?gid=1522638
  
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