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Very Hot Topic (More than 25 Replies) The Delchev/Semkov book (Read 142615 times)
Willempie
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Re: The Delchev/Semkov book
Reply #118 - 06/16/06 at 16:30:48
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I liked the Be2 chapter as well, that is probably because I am very much used to the french-type positions (after a later d5)
  

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MarinFan
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Re: The Delchev/Semkov book
Reply #117 - 06/16/06 at 14:38:29
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Well, think you will have phleasant reading. The English attack chapter is one of the strongest one in the book, orginally thought both sides play was very strange, but black's side almost seems natural now. It is probably so good, because the line very trendy at the moment.
        The other particularly strong chapter is about the hedgehog set-up after Nb5. Delchev comes across as someone who is a bit of a Karpov fan. Will probably follow the Karpov model, and put sicillian in mothballs, if makes elite level.
              Bye John S
  
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Re: The Delchev/Semkov book
Reply #116 - 06/16/06 at 14:20:29
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hello MarinFan, didn't really like the 8... Bb4 9. Na4 Be7 10. Nxc6 bxc6 11. Nb6 Rb8 12. Nxc8 stuff for Black (difficult to win against White's two bishops), so prefer transposing to scheveningen 8... d6, but Black's life there is not a picnic either (probably need to find a good book). I also think the English Attack is not so harmless against the Taimanov, at least i'm no longer 100% certain the Taimanov is safer than the Najdorf/Scheveningen against the English Attack. Somehow after White plays Nb3/ Kb1/Bd4 Black makes all the useful moves he can... and then its White who starts the attack! i last looked at these lines with IM Sommerbauer's Chessbase CD, and I haven't started reading the Delchev/Semkov book yet (it was delivered to my home, and i'm far away from home at the moment), but will be very interested to see how they make these lines work for Black.
  
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MarinFan
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Re: The Delchev/Semkov book
Reply #115 - 06/16/06 at 13:52:35
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After 15 ...Nd5 16 Qxp Bf6 17 Qg3 Rxb2 18 Rb1 white even could have an edge. White square bishop is strong, and a6-pawn weak.
              Thought  14 ...d5 looked more promising. After 15 pxp c6 xd5 16 Qa4+ Qd7 18 Qxp thought black had strong central position, and likely to pickup a or b pawn.
                  Interested to know what people thought was the most dangerous line for white. My vote would go for the old main line with Bd3, Be3 and h3 of, for example, Fressinet game above. Don't think my "analysis" was very convincing there, and black's position is no picnic, with a Bb7 approach either.
Interesting in Delchev book didn't mention that Tal was a hero of this opening, suppose doesn't fit the safest sicillian image. Against Bd3, Be3 he choosed mostly to hover off peices with NxN, followed by Bc5, which doesn't exact fit his sterotype either. Would be a shame, if black had to adopt that approach.
              Another line have had problems with in the past is g3, followed by queen-side bind with a4,a5. Maybe white does not really have much there, but it is quite uncomfortable for black having no counterplay.
          Bye John S
  
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ErictheRed
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Re: The Delchev/Semkov book
Reply #114 - 06/14/06 at 17:00:08
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Yes Alumbrado, that is the right move order.  In my database there are 2 games where 2400+ players played this way with White, and in both games the 2400+ player with Black played 10...Rb8.  In the game, my opponent played up until 10.Nb6 instantly, and I thought for about 5 minutes about taking the knight, then made the practical decision to decline.  I think White gets too much compensation after 10...Qxb6 11.Nxe6 Qa5 12.Nxg7+; there may be a defence for Black here, but in practice this is not something I would want to go into (at least not without having analyzed it extensively beforehand).

@MarinFan, I'm surprised 13.c4 has never been played.  Perhaps it's an inferior move, but it looks like a fairly natural pawn sacrifice.  I'm not afraid of it though; I just wonder what the best line for Black is after this.  I'll do some analysis in the next few days, but I'm leaning towards 15...Nd5 as the improvement for Black.
  
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MarinFan
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Re: The Delchev/Semkov book
Reply #113 - 06/14/06 at 16:21:52
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Hello,

10Nb6 is maybe not as bad as it looks, because if 10 ... QxB 11Nxe6 followed by Ng7+. Still, is hard to believe really, if even if players like Pia Cramling avoid this altogther with 10... Rb8 too.
                    After 13 c4, even though looks like a blunder, don't see any better than the options already mentioned, and white gets a suprising about of counter-play. This line with 13 e5 or 13 Bd4 looks like one of white's better tries.

Bye John S

p.s with games scores just cut and paste from pgn files available at TWIC or ChessBase.
  
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alumbrado
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Re: The Delchev/Semkov book
Reply #112 - 06/14/06 at 08:16:13
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Is that move order right?  I mean 10.Nb6?
  

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ErictheRed
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Re: The Delchev/Semkov book
Reply #111 - 06/13/06 at 16:51:31
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Sorry about that last post, I thought the attachment would show up as text!  How do you guys (like MarinFan) paste those nice game scores into the message??

Anyway the moves in question are:
1.e4 c5 2.Nf3 e6 3.d4 cd 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be2 a6 7.0-0 Nf6 8.Be3 Bb4 9.Na4 Be7 10.Nb6 Rb8 11.Nxc6 bc 12.Nxc8 Qxc8 13.c4?! Nxe4 (I assume this is best) 14.Qd4 Nf6 (...d5 looked too risky in the game to me) 15.c5 0-0 (perhaps I can improve here with 15...Nd5 16.Qxg7 Bf6?) 16.Bf4 Ra8 17.Be5 and we eventually drew after some ups and downs.

  
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ErictheRed
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Re: The Delchev/Semkov book
Reply #110 - 06/13/06 at 16:43:07
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After studying this book for a while, I played my first tournament game with it.  It went like this:

I eventually only drew, despite the rating difference between myself and my opponent.  However, I was curious about how to react to White's 13. c4.  I figured that I had to take the e-pawn, as White is threatening to advance it to e5 now.  White got compensation after I castled, however; perhaps I missed a chance to play 15...Nd5!? 16.Qxg7 Bf6.  I'm surprised that I couldn't find a single game with 13.c4 in my database, so I was wondering what the "refutation" is.  Thanks!
  

taimanov.pgn ( 0 KB | 146 Downloads )
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Keano
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Re: The Delchev/Semkov book
Reply #109 - 06/13/06 at 16:26:58
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Interesting Semko!

Regarding an earlier comment in this thread Quote:
Later looks like a smooth win for white, but Fritz thinks black can turn tables with 27...Ng3+. Must be irratating for players nowdays, when any twit with a computer can point out an error, which ruins a nice game.


What people must also remember is that the FIDE olympiad is played at the crazy FIDE time control which leads to rapid deterioration in standard of play as the game goes on.....dont be too quick to blame these guys even GM´s make bad mistakes at this time limit
  
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Semko
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Re: The Delchev/Semkov book
Reply #108 - 06/03/06 at 22:09:47
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Today Anand has done exactly what I said you should not do with Black in the Hedgehog... (...g5) and lost because of the breakthrough c4-c5 - as I warned. Obviously he read the wrong book...So far in Turin they all confirm our negative evaluations. But is there a guy who would try our suggestions?!
  
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Semko
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Re: The Delchev/Semkov book
Reply #107 - 06/02/06 at 21:50:48
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Both victims in the Turin examples did not follow our advices! I suppose that they did not even read the book as top GMs seldom read other's books. About Kiril Georgiev - I'm sure he read it. I saw off our team to the airport with a couple of them. Kiril is our new author so he must have studied The Safe Sicilian in order to follow the same style in The sharpest Sicilian.
About Fressinet - Rublevsky. I wrote in bold that instead of 12...Bd7 Black should play 12...0-0 and pointed out that the bishop should control d5 so it must be developed to b7.
  
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Re: The Delchev/Semkov book
Reply #106 - 05/31/06 at 11:08:33
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Hello,

Another recent example of 11. Kb1 Be7 not being a good idea, is
[Event "37th Olympiad"]
[Site "Turin ITA"]
[Date "2006.05.28"]
[Round "7"]
[White "Georgiev,Ki"]
[Black "Almasi,Z"]
[Result "1-0"]
[WhiteElo "2677"]
[BlackElo "2657"]
[EventDate "2006.05.21"]
[ECO "B48"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qd2 Nf6
8. O-O-O Bb4 9. f3 Ne5 10. Nb3 b5 11. Kb1 Be7 12. Qf2 d6 13. Bb6 Qb8 14.
Bd4 O-O 15. g4 Bb7 16. g5 Nfd7 17. Rg1 b4 18. Ne2 a5 19. f4 a4 20. Nd2 Nc6
21. Be3 b3 22. cxb3 axb3 23. a3 Rc8 24. Nc3 Bf8 25. Bb5 Nc5 26. Rg3 Nd8 27.
Qe2 g6 28. f5 exf5 29. exf5 Qc7 30. Bd4 Nc6 31. Bf6 Re8 32. Qc4 Qd7 33.
fxg6 Qf5+ 34. Ka1 Qxg6 35. Nxb3 d5 36. Nxd5 Re4 37. Qc1 Nxb3+ 38. Rxb3 Na5
39. Rc3 Qf5 40. Nc7 Rb8 41. Bd3 Rc8 42. Qc2 Qg4 43. Rc1 Rb8 44. b4 Bxb4 45.
axb4 Bc6 46. Bxe4 Bxe4 47. Qa4 1-0

You would think this book would be required reading, when playing against the Bulgarian team. Its a shame didn't see what white had in mind against 11...Nc4 followed by a later Rb8.

Next game interesting too.
[Event "37th Olympiad"]
[Site "Turin ITA"]
[Date "2006.05.30"]
[Round "9"]
[White "Fressinet,L"]
[Black "Rublevsky,S"]
[Result "1-0"]
[WhiteElo "2633"]
[BlackElo "2687"]
[EventDate "2006.05.21"]
[ECO "B48"]

1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Bd3 Qc7
8. O-O Ne5 9. h3 Bc5 10. Kh1 d6 11. f4 Ng6 12. Qe1 Bd7 13. f5 Ne5 14. Nce2
Qb6 15. Qg3 O-O 16. Qh4 Rfe8 17. b4 Qxb4 18. Rab1 Qa4 19. fxe6 fxe6 20.
Rxb7 Rab8 21. Rxb8 Rxb8 22. Qg3 Rf8 23. Nxe6 Bxe6 24. Bxc5 Nxd3 25. Bxd6
Rf7 26. Qxd3 Nxe4 27. Nd4 Rxf1+ 28. Qxf1 Bf7 29. Be5 Bxa2 30. Qf4 Bd5 31.
Bxg7 Kxg7 32. Qe5+ Nf6 33. Nf5+ Kf7 34. Nd6+ Kg6 35. Qf5+ Kg7 36. Qg5+ 1-0

16Qh4 TN is a funny one, is white trying to show black is in Zugzwang?! When first looked at game, thought dropped a peice to 16 ...NxB 17 p xN e5 but white has strong attacking chances after 18Bg5. Then looked at 16 ...pxf5 17 e xf5 Rf-e8 with the idea of if 19 Bg5 Nf-g4, and playing Ne5x d3 later. This kind of thing looks ok for black, when a knight can't come quickly to d5. Later looks like a smooth win for white, but Fritz thinks black can turn tables with 27...Ng3+. Must be irratating for players nowdays, when any twit with a computer can point out an error, which ruins a nice game.

Bye John S
  
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SniperOnG7
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Re: The Delchev/Semkov book
Reply #105 - 05/29/06 at 08:05:28
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Semkov
Thank you very much for the quick replies. All my questions are answered.  Smiley Cheesy
And I finally understnad why Kb1 is played.  Cool
  
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Semko
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Re: The Delchev/Semkov book
Reply #104 - 05/28/06 at 20:03:59
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I repeat here the announce which I posted in another thread:
In the reprinted version of the book there are a number of corrected omissions and just a few changes in the chess content.
Everyone can download the most important corrections from:
http://chess-stars.com/corrections.pdf
  
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