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Hot Topic (More than 10 Replies) A61 Modern Benoni with 7.Bf4 (Read 20825 times)
derdudea
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Re: A61 Modern Benoni with 7.Bf4
Reply #20 - 11/16/12 at 13:44:07
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gwnn wrote on 11/06/12 at 12:30:43:
Yes, it was a joke, sorry. It was a bad joke and I want to repeat that it is a great book and I am very glad that I heard of it.


Thanks for your kind words. The first reaction from a true reader!
Until now I only heard that it must be a bad book since I´m too weak as a player, but nobody judging this way had read it.

A main advantage for everybody using the repertoire is that your opponent will not know about. Bad luck for Black after spending weeks on repairing his repertoire against Avrukh´s and Watson´s suggestions.
  
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gwnn
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Re: A61 Modern Benoni with 7.Bf4
Reply #19 - 11/06/12 at 12:30:43
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Yes, it was a joke, sorry. It was a bad joke and I want to repeat that it is a great book and I am very glad that I heard of it.
  
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GabrielGale
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Re: A61 Modern Benoni with 7.Bf4
Reply #18 - 11/06/12 at 10:21:29
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Quote:
What a shameless plug for your book.

Perhaps you should read the previous postings before judging ......
Quote:
derdudea wrote on 11th Oct 2012 at 18:32:17:
I did not find name for this variation, but I dealt with it in detail since I wrote a 1.d4-repertoire book in 2012 for a small german publisher (chesscoach).

[Bibs] ......
May we ask the title?
Very modest of you not to try to flog it with a link, respect.
But I'm interested....
  

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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gwnn
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Re: A61 Modern Benoni with 7.Bf4
Reply #17 - 11/06/12 at 08:11:27
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derdudea wrote on 10/11/12 at 09:39:43:
The title is
Anzugsvorteil II - Druck machen mit 1.d4, by Andreas van Schyndel

You can find it with an excerpt on the Niggemann homepage:
https://www.schachversand.de/d/detail/buecher/12061.html

It is meant as practical repertoire for lower rated players, but more in relation to the analysed variations  - not to many mainlines, surprising variations that force the opponent to think early with a narrow margine for mistakes. The analysis itself is pretty dense in some chapters, since I can´t hide being a correspondence player, while being a "Patzer" at the board

7.Bf4 fits pretty well, since lower rated players tend to get too nervous defending the d6-pawn, not getting enough counterplay. Or they simply loose the pawn...

What a shameless plug for your book, but what a great book it is! Danke schön! I like all lines basically and you are really explaining nicely (I am reading it with my intermediate Dutch knowledge so I am sure I am missing out but it is still very informative). I am especially happy that you seem to be covering a lot more deviations than most other publishers; i.e. lines that will be played against me but not against Kramnik.
  
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tp2205
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Re: A61 Modern Benoni with 7.Bf4
Reply #16 - 11/04/12 at 13:56:30
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Markovich wrote on 10/23/12 at 16:40:51:
Walczak - Morss, ICCF 2010 went 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.Bf4 a6 8.a4 Bg7 9.h3 O-O 10.e3 Qe7 11.Be2 Nh5 12.Bh2 f5 13.O-O f4 14.exf4 Nxf4 15.Re1 Nd7 16.Bxa6 Ne5 17.Bf1 g5 and I was quite satisfied with my compensation.  Unfortunately I later misplayed and lost, but I regard my play in this game as a viable solution for Black.

I would be happy to debate this.




In an OTB game I would be happy as Black, in CC I am not so sure (especially if chess engines are permitted).

I am not sure what the best plan for White is but I would be most worried about 18. Nd2 and either Nce4,Nc4 or Nde4,Nb5 or even Nc4,Nb5 with perhaps Ra3 or Re3 to defend the king side against N/Bxh3 and Nf3.
As Black I would probably play Qf7-g6 and then seriously consider h5 and g4. Bf5 is possible to take the pressure of d6 (if a knight shows up on e4) but I would not like to exchange that bishop.

So my first suggestion for white is 18. Nd2 Qf7 19. Nde4 Qg6 20. Nb5.  Now Ra6 may be playable but I don't like it. The rook has trouble joining the attack on the king side. 20... Bd7 defends d6 as well After 21.Nbxd6 Nxh3,Nf3,Nh2,Be5 regains the piece and Black should be ok.  21. Nexd6 cannot be good but I have not looked at it. But after 21. Nc7 Rd8 (af6er Rc8 22. Ne6 looks good for White since d6 falls if Black takes on e6) I am not so sure about Black's position.

Any advice  for Black?
  
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Markovich
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Re: A61 Modern Benoni with 7.Bf4
Reply #15 - 11/04/12 at 01:42:11
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So no one wanted to come back on this?
  

The Great Oz has spoken!
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Markovich
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Re: A61 Modern Benoni with 7.Bf4
Reply #14 - 10/23/12 at 16:40:51
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Walczak - Morss, ICCF 2010 went 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.Bf4 a6 8.a4 Bg7 9.h3 O-O 10.e3 Qe7 11.Be2 Nh5 12.Bh2 f5 13.O-O f4 14.exf4 Nxf4 15.Re1 Nd7 16.Bxa6 Ne5 17.Bf1 g5 and I was quite satisfied with my compensation.  Unfortunately I later misplayed and lost, but I regard my play in this game as a viable solution for Black.

I would be happy to debate this.
« Last Edit: 10/24/12 at 00:09:42 by Markovich »  

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Benoniac
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Re: A61 Modern Benoni with 7.Bf4
Reply #13 - 10/19/12 at 21:06:23
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Ametanoitos, you said in another thread thad the QGD Tarrasch could never die (from the black side) !

Well, look at my handle here  Smiley The Benoni will surely survive also...

Ben
  

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Re: A61 Modern Benoni with 7.Bf4
Reply #12 - 10/12/12 at 06:03:52
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In one of the last QC newsletters i pasted a summary of the theory of this line for both sides. QC prepares a GM Rep book on the Modern Benoni and i think that the authors' solution will surprize many as it is very simple! Now i believe that Black is fine in this (very critical) Bf4 line.
  
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Re: A61 Modern Benoni with 7.Bf4
Reply #11 - 10/11/12 at 15:53:30
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10...Qb6 sure looks dubious to me -- can't help but think it looks like some random computer move.
  
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Re: A61 Modern Benoni with 7.Bf4
Reply #10 - 10/11/12 at 11:15:48
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Nice  Smiley Never mind the win, feel the psychological anguish of the second player....having to deal with that prospectless position for months on end, just waiting for the guillotine to fall...
  

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Re: A61 Modern Benoni with 7.Bf4
Reply #9 - 10/11/12 at 10:38:09
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A corr game of mine in this 7.Bf4 a6 variation which finished a couple of days ago.. And thank God I was the first player here..  Smiley



This 10...Qb6?!-try turned out to a complete disaster for black.  Roll Eyes
  
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derdudea
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Re: A61 Modern Benoni with 7.Bf4
Reply #8 - 10/11/12 at 09:39:43
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The title is
Anzugsvorteil II - Druck machen mit 1.d4, by Andreas van Schyndel

You can find it with an excerpt on the Niggemann homepage:
https://www.schachversand.de/d/detail/buecher/12061.html

It is meant as practical repertoire for lower rated players, but more in relation to the analysed variations  - not to many mainlines, surprising variations that force the opponent to think early with a narrow margine for mistakes. The analysis itself is pretty dense in some chapters, since I can´t hide being a correspondence player, while being a "Patzer" at the board

7.Bf4 fits pretty well, since lower rated players tend to get too nervous defending the d6-pawn, not getting enough counterplay. Or they simply loose the pawn...
  
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Re: A61 Modern Benoni with 7.Bf4
Reply #7 - 10/11/12 at 08:42:56
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derdudea wrote on 10/11/12 at 07:32:17:
I did not find name for this variation, but I dealt with it in detail since I wrote a 1.d4-repertoire book in 2012 for a small german publisher (chesscoach).


May we ask the title?
Very modest of you not to try to flog it with a link, respect.
But I'm interested....
  
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derdudea
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Re: A61 Modern Benoni with 7.Bf4
Reply #6 - 10/11/12 at 07:32:17
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I did not find name for this variation, but I dealt with it in detail since I wrote a 1.d4-repertoire book in 2012 for a small german publisher (chesscoach). It was my choice against the Modern Benoni.

There is not much doubt, that 7...a6 is giving White some advantage, I chose the slow setup with a4, e3 and h3, following the game Meier,G (2663)-Rasulov,V (2457)/Rijeka 2010 with Kuzmins analysis.

Gashimovs choice 10...Re8 may be a better chance for Black, but I guess White should obtain an advantage, too, at least against any player not named Gashimov. Even in the game  Eljanov,P (2751)-Gashimov,V (2734)/Astrakhan 2010 White can improve his play and retain somewhat better chances, but pretty late in the game.

7...Bg7 has a bad reputation and the mainline with 8.Qa4+ Bd7 9.Qb3 Qc7 confirms that, see the games
Johnson,B (2387)-Krzyzanowski,A (2306) corr 2011
Cuno,T (2493)-Nikolov,Y (2336) corr 2001
Georgiev,K (2675)-Fier,A (2570)/Benasque 2010

but the gambit 9...b5 is pretty dangerous. Nevertheless, White should retain an advantage as seen in
Kuzmin,A (2570)-Womacka,M (2447)/Gibraltar 2004/
Gelfand,B (2746)-Jobava,B (2712)/Rogaska Slatina SLO 2011
  
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Re: A61 Modern Benoni with 7.Bf4
Reply #5 - 07/23/12 at 22:58:41
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Smyslov_Fan wrote on 07/23/12 at 05:11:36:
My questions are:

What is the name of this variation?

and

This variation is becoming popular again. What is its current theoretical standing?

And

Where can I read more about it?


This line was the choice (for White) in the recent Kaufman Repertoire for Black and White, so we can expect it to increase in popularity among amateurs too. It was also in the early 2000s repertoire book "Play 1.d4!" by Richard Palliser.

Palliser's treatment was more comprehensive, but Kaufman's is much more recent. They also part ways against 7...a6 (which both consider Black's best try). Palliser chose the principled 8.e4, while Kaufman goes for a slow setup with a4, e3 and h3. I quite like this (latter) simple-looking system actually; it's likely to frustrate Benoni hackers out for early action.

I don't think either author provides a name for the line though.
  

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Re: A61 Modern Benoni with 7.Bf4
Reply #4 - 07/23/12 at 22:33:43
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just saying, there was some discussion about this variation on the quality chess blog: http://www.qualitychess.co.uk/blog/?p=1080#comments
  
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Re: A61 Modern Benoni with 7.Bf4
Reply #3 - 07/23/12 at 08:42:15
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I did see that Emms covered it in his May 2012 update here. He seems to focus on 7...a6 8.Nd2 when Gashimov lost after 8...Nbd7 to Laznicki in San Sebastien 2012.

I don't have a subscription to this section, so I don't know how much Emms analyses 7....Bg7?!
  
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Re: A61 Modern Benoni with 7.Bf4
Reply #2 - 07/23/12 at 08:12:27
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Aaah..and I forgot to mention that Alexey Kuzmin in his 7.Bf4 review for NIC's Yearbook 95 (2010) calls this 7...Bg7 8.Qa4+ Bd7 9.Qb3 variation "a dubious pawn sacrifice".. He gives two games only: Gelfand-Gashimov, Linares 2010 where Gash plays 12...b4!? 13.Nb1 a5!? and Inarkiev-Gashimov, Baku 2008 with 9...Qc7. The rest of this review is devoted to 7...a6.  Smiley
  
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Re: A61 Modern Benoni with 7.Bf4
Reply #1 - 07/23/12 at 07:46:32
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Well, let's see!..
The Modern Benoni was my long time favourite weapon in my OTB games against 1.d4, so I know a thing or two about it..  Wink
First of all, this system has no name - it goes under the hood of so-called "Bf4-systems".. Kondratyev/Stolyar in their "Benoni Defence" 1981, (Russian language) give the old 9...Qc7 continuation only. The same case with Kapengut's "Indian Defence" 1984 (Russian language), too..
Lev Psakhis in his excellent "The Complete Benoni" 1995 gives 10.Bxd6 and 10.Nxb5 variations. In the 10.Bxd6 line he claims 12...c4 is precise, stating that 12....b4 is bad (as per Khenkin-Jaulin, Paris 1991). Then 13...Na6! (his mark) instead of 13...b4(?!) - his mark also...citing games like Yakovich-Zelcic, Belgrade 1991 and Yrjola-Winants, Dubai Olympiad 1986.
Then one of my favourite writers, John Watson in his "Gambit Guide To The Modern Benoni" 2001 explains that 9...Qc7 is the older, less recommended move...citing Kapengut's "modern alternative" 9...b5 from one of his most recent works. 10.Bxd6! (Watson's mark) ...13.Qb4 goes unmentioned, Watson says.. And 13...Na6! stating that all the major theoreticians, except David Norwood, are much too kind to black after 13...b5. Then he gives some hints and variations how to meet this 13...b5 move..  Wink
I'm sure I can find more sources about this 13...b5 variation, but I think that all of these pre-computer sources are too old to be relevant.
My own researches through several opening computer books brought me to conclusion that there is no final verdict or assessment over these lines. Anyway, I'll try to show the last computer evaluations in one pgn-file:



We can see that according to the computer engines 12...b4 and 13...a5 is the way to go, but black has to be very careful afterwards.  Roll Eyes
That's why Gashimov prefers the old 12...c4 with a complicated game, imho..  Smiley
  
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Smyslov_Fan
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A61 Modern Benoni with 7.Bf4
07/23/12 at 05:11:36
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Hi, I don't know the name of this old line, but I have noticed it's been played a fair bit recently. In one of my books on the Benoni, it is just described as "the most important of the less usual lines against the Modern Benoni"(Hartston, 1973). Not a very catchy name.



The initial moves are:

1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 exd5 5.cxd5 d6 6.Nc3 g6 7.Bf4

Keres-Tal, 1954 and Lutikov-Spassky 1954 were two of the earliest games in this variation, giving this line a very high pedigree. It appears to have been studied in Latvia judging by the number of early games featuring Latvians. One of the more important games in this variation was Vaganian-Tal, 39th USSR Ch. 1971 (0-1)

One of the more recent games to feature this line is

Aronian-Gashimov, Tata Steel 2012, which I provide below.

My questions are:

What is the name of this variation?

and

This variation is becoming popular again. What is its current theoretical standing?

And

Where can I read more about it?

  
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