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Dennis M: Viewer Games & Questions Sept 2011 [69:42] 
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Post Dennis M: Viewer Games & Questions Sept 2011 [69:42]


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Thu Sep 22, 2011 9:50 am
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King

Joined: Mon Jul 27, 2009 10:45 am
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Post Re: Dennis M: Viewer Games & Questions Sept 2011 [69:42]
Nice analysis Dennis.

To the person who asked about the Dragondorf, Dennis reminded me a game between Al Sayed and Cheparinov with the Nxe7 sac. Here is the whole game, with other lines chosen by Andrew Martin. It's from 2004 though so given who quickly Sicilian theory develops, it might be useless information. But there are a few variations which might give a good impression of different ways of handling the position.

[Event "Andorra op 22nd"]
[Site "Andorra"]
[Date "2004.07.10"]
[Round "8"]
[White "Al Sayed, Mohamad Naser"]
[Black "Cheparinov, Ivan"]
[Result "0-1"]
[ECO "B75"]
[WhiteElo "2443"]
[BlackElo "2567"]
[PlyCount "110"]
[EventDate "2004.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AND"]
[Source "ChessBase"]
[SourceDate "2009.01.23"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 a6 8. Qd2
Nbd7 9. g4 b5 10. Nc6 Qc7 11. Nxe7 Bb7 (11... Kxe7 $2 12. g5 Bb7 13. gxf6+ $16)
12. g5 (12. Ned5 Nxd5 13. Nxd5 Bxd5 14. Qxd5 O-O (14... Rc8 15. Rd1 $13) 15.
O-O-O Rfc8 16. Bd3 (16. Rd2 $2 Bxb2+ 17. Kxb2 Qc3+ $17) 16... b4 17. h4 a5 $44)
12... b4 13. Ncd5 (13. Na4 Nxe4 (13... Ne5 14. Be2 Nxe4 15. Nd5 Nxd2 16. Nxc7+
Kd8 17. Nxa8 Ndxf3+ 18. Bxf3 Nxf3+ 19. Ke2 Bxa8 20. Rhf1 Ne5 $44) 14. fxe4 Kxe7
$15) 13... Nxd5 14. Nxd5 Bxd5 15. Qxd5 O-O (15... Rc8 $2 16. Bxa6 Bxb2 17. Rd1
$18) 16. O-O-O (16. Qc4 Qa5 $44) 16... Bxb2+ $1 17. Kxb2 Qc3+ 18. Kb1 Qxe3 $17
19. Qd2 (19. Qxd6 Nc5 $17) 19... Qxf3 20. Bg2 Qg4 21. e5 Rad8 22. exd6 Nb6 23.
Qd4 Qxg2 24. Qxb6 Rc8 25. Rc1 Rxc2 26. Rxc2 Qxh1+ 27. Kb2 Qd5 28. Qc5 Qd3 29.
Qxb4 a5 30. Rd2 Qe3 31. Qd4 Rb8+ 32. Ka1 Qe1+ 33. Rd1 Rb4 34. Rxe1 Rxd4 35.
Re8+ Kg7 36. Rd8 h6 37. h4 Rxh4 38. gxh6+ Rxh6 (38... Kxh6 39. Rh8+) 39. Kb2 (
39. d7 Rh1+ 40. Kb2 Rd1) 39... g5 40. Kc3 g4 41. Kd2 Re6 42. d7 Kf6 43. Rg8
Rd6+ 44. Ke3 Rxd7 45. Rxg4 Kf5 46. Rg8 Re7+ 47. Kd3 Kf4 48. Rg1 Rd7+ 49. Kc4 f5
50. a4 Rb7 51. Rf1+ Ke5 52. Re1+ Kf6 53. Kd5 Rb4 54. Re6+ Kg5 55. Re5 Rxa4 0-1

Simon Williams also got a good game against Shirov using the Dragondorf - his position was completely winning though in the end he blundered (probably in time trouble) and gave Shirov a passed pawn which quickly won the game.


Thu Sep 22, 2011 9:31 pm
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Knight

Joined: Sun Jul 18, 2010 11:29 am
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Post Re: Dennis M: Viewer Games & Questions Sept 2011 [69:42]
ha thanks dennis... it is alot of fun to see a strong master analyze my game! I knew white screwed up with Qa6 and Na3, but I didn't know i made so many innacuracies as well... highly illuminating... thx


Mon Sep 26, 2011 4:53 am
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Pawn

Joined: Mon Mar 28, 2011 4:13 pm
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Rating: 1866
Rating Class: Class A (1800-2000)
Post Re: Dennis M: Viewer Games & Questions Sept 2011 [69:42]
Can you analyze?? [Event "?"]
[Site "Wilmette"]
[Date "2011.09.04"]
[Round "?"]
[White "David, Peng"]
[Black "NM Kevin, Cao"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "1861"]
[BlackElo "2257"]
[Annotator ",Microsoft"]
[PlyCount "81"]
[SourceDate "2011.01.15"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. O-O d6 6. Be3 Bb6 7. Nbd2 Ne7 8. c3
Ng6 9. Qc2 h6 10. a4 c6 11. Qb3 O-O 12. Bxb6 axb6 13. d4 Nh5 (13... d5 14. Bd3
Nf4 15. Nxe5 Nxd3 16. Nxd3 dxe4 17. Ne5) 14. dxe5 dxe5 15. Rfd1 Qc7 16. Qb4 Rd8
17. Bf1 Be6 18. Nc4 Bxc4 19. Bxc4 Nf6 20. Bb3 Nf4 21. Bc2 Ne6 22. Rab1 (22. Nd2
b5) 22... g6 23. Nd2 c5 24. Qb3 Rd6 25. Nc4 Rc6 26. Rd2 Rd8 27. Rxd8+ Nxd8 28.
Rd1 Ne6 29. f3 Nf4 30. g3 Nh3+ 31. Kg2 Ng5 32. h4 Ngh7 33. Bb1 Nf8 34. Ba2 Re6
35. Kf2 Ne8 36. Ne3 Nf6 37. Nc4 Kg7 38. Rd2 Ne8 39. Ne3 Nf6 40. Nc4 Ne8 41. Ne3
1/2-1/2


Sat Oct 01, 2011 5:58 pm
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Rook

Joined: Tue Sep 22, 2009 8:43 pm
Posts: 226
Rating: 1700
Rating Class: Class B (1600-1800)
Post Re: Dennis M: Viewer Games & Questions Sept 2011 [69:42]
Dennis, Thanks for your insights into the odd Semi-Tarrasch that I played! Particularly instructive was the idea of using e5 and f5 to keep white's king out of play, before strolling my own king over to c6 to blockade (and eventually win) white's c5 pawn.

I do wonder, however, whether the positional pawn sac 19...b6 20. Rxb5 Rc2 really works. I'm thinking that after 21. Be3 R8c8 22. a4 and 23. a5 the white rook is liberated and white is at least equal. Black can probably re-establish material equality with 22...Ra8 23. a5 Rxa5 24. Rxa5 bxa5, but I don't see any advantage for black. What is missing from my analysis?

_________________
Good chess and God bless,

Chris Falter


Sat Oct 01, 2011 9:27 pm
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