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Very Hot Topic (More than 25 Replies) Kornev: A Practical Black Repertoire: Pirc (Read 11128 times)
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Re: Kornev: A Practical Black Repertoire: Pirc
Reply #25 - 01/27/17 at 20:34:07
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Confused_by_Theory wrote on 01/27/17 at 16:38:37:
Basically the sequence:
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Be3 Bg7 5.Nf3 0-0 6.Be2 e6 7.Qd2! Looks to me a bit problematic. Black has the possibility to go for a hippo setup... sort of. With the queen on d2 he will never get in h6 though, making his hippo look a bit crippled. Now even crippled hippos should be potentially dangerous, but do you really want to play this if you can never get in h6? Looks to me like both Bh6 and Bg5 are valuable extra options for white.

Looks to me 6...Ng4 7.Bg5 h6 is a valuable extra option for Black.
  

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Re: Kornev: A Practical Black Repertoire: Pirc
Reply #24 - 01/27/17 at 20:21:41
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I agree that 6. ..e6 is the stand out odd choice vs the Be2 Karpov Classical, but it's not so much that that, but it's his reasons to dismiss 6. ..Bg4 (my best scoring Pirc line) and 6. ..c6. For the latter Kornev just gives one short line with 6. ..c6 7. a4 Nbd7 when on Marin's DVD he mentions that he found from experience that 7. ..Qc7 was better and something along the lines that classical principles like develop the Knight before the Queen don't apply to the Pirc 
  

Those who want to go by my perverse footsteps play such pawn structure with fuzzy atypical still strategic orientations

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Re: Kornev: A Practical Black Repertoire: Pirc
Reply #23 - 01/27/17 at 20:09:37
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I will spare him the wrath of my pen for this one  Grin

  

Those who want to go by my perverse footsteps play such pawn structure with fuzzy atypical still strategic orientations

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Re: Kornev: A Practical Black Repertoire: Pirc
Reply #22 - 01/27/17 at 16:38:37
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Hi.

Reading the book more I can say that it definitely is a real repertoire book. Breadth of the lines covered is good. Sidelines are taken with seriosity though at the same time not covered to immense proportions; so thumbs up for that.

When it comes to line choices in the Pirc section (have not checked the other stuff as much yet). For me at least, I was seriously off in my predictions of what lines were going to be in the book. In general the author goes for sort of principled setups with 4...Bg7 against almost everything (actually, probably just everything). This is usually good in 95% of cases, although as white players these days probably are mostly aware it does give options for a quick Qd2+Bh6 in all of the 4.Be3, 4.Bf4 and 4.Bg5 lines (have yet to see anyone playing 4.Bd2 Bg7 5.Qc1. Maybe some day though Wink).

The remedy chosen against 4.Be3 and 4.Bf4 followed by 5.Qd2+6.Bh6 is, as detailed earlier, a line leading (with white cooperation) to a sort of late middlegame without queens where black has not, momentarily at least, equalised. One can certainly argue there are practical grounds for not having such a line in a repertoire and I seriosuly thought it would be avoided.

Against 4.Bg5 going 4...Bg7 5.Qd2 c6 is certainly a possibility as well, although for whatever reason the author avoided it (does it not seem at least a mildly practical recommendation?). Instead we see 5...h6 and now three lines:
6.Bf4 a6
6.Bh4 g5
6.Bh4 0-0

There is a reason given for not going 6.Bf4 g5 so one can understand something else is chosen there. The other lines, perhaps especially 6...g5, have their followers. Both are not obviously equalising though and at least to me, in different ways, they do seem to be a bit positionally loosening. That is basically why I thought something else would be chosen as repertoire recommendation.

The classical system:
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Be2 0-0 6.0-0
Sees a sort of combative all to play for line chosen, in the form of 6...e6. My view on this is that 6...e6 is a fairly positional line without the same basic charateristics as many of the other lines in the repertoire. Here you actively try not to engage white and you only slowly bring your pieces into play. Most of the rest of the repertoire for black seems to be more about getting out with your pieces well and not backing from concrete play if needed. So yea. This line stands out a bit for me.

The Fianchetto variation:
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.g3
Is covered as well of course and the following line is seen:
4...Bg7 5.Bg2 0-0 6.Nge2 e5 7.h3 c6 8.a4 a5 9.0-0 Na6
This seems to be a fairly positional way of playing and some sort of strategic battle seems likely. In my view, even if this variation is quite interesting, there are simpler lines against 4.g3.


Saving the best for last. I can say that in the Austrian attack castling is the choice.
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 0-0

Now in the main line of 6.Bd3 the reply chosen is 6...Nc6 (aiming for e5) and after 7.0-0 e5 8.fxe5 dxe5 9.d5 the principled looking 9...Nd4 is given over the alternative 9...Ne7. This Nc6+Nd4 I actually thought was coming because black seems to have good chances of equalising if he knows his stuff and if white plays sub-optimally black often has reasonable activity and can start to play for advantage.

In the somewhat strangely sidelineised 6.Be3 line 6...b6 with 7.Qd2 Bb7 is given. Reasonable indeed.

And finally 6.Be2 does get met by the main reply 6...c5


So yea. These are my thoughts on the Pirc section of the book. In general pleased with most things except a lot of the actual lines chosen (but this is also very much a matter of taste). I thought I'd mention one small hole I noticed (bring out the pen JEH. Grin) and then not really go in to much more specifics on the chosen lines.

I'm thinking that if white goes:
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Be3 Bg7 5.Nf3 0-0 6.Be2
Sort of rare but reasonable looking move. Kornev on p.243 mentions we should go to chapter 23 (p.305) - The chapter on the classical variation for those without the book.
There he mentions that 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Be2 0-0 6.Be3 e6 7.0-0 transposes into his coverage of 6.0-0 e6.

Basically the sequence:
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Be3 Bg7 5.Nf3 0-0 6.Be2 e6 7.Qd2! Looks to me a bit problematic. Black has the possibility to go for a hippo setup... sort of. With the queen on d2 he will never get in h6 though, making his hippo look a bit crippled. Now even crippled hippos should be potentially dangerous, but do you really want to play this if you can never get in h6? Looks to me like both Bh6 and Bg5 are valuable extra options for white.

Have a nice day.

Edit: Lots of personal opinion in the above post of course. Sorry if its a bit overwhelming.
  
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Re: Kornev: A Practical Black Repertoire: Pirc
Reply #21 - 01/25/17 at 16:41:25
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Hey.

JEH wrote on 01/25/17 at 10:03:40:
I guess the reason page numbers aren't used as whilst the book is being produced, the page numbers wouldn't be known.

Good point.

Bit of extra work to fix after the book manuscript is done I suppose.



To start some discussion about lines. Thought a bit about how he coverage was of lines that, how to put it... should be on the author's radar.


I cross-checked with IM Greet's effort from 2011, recommending the 6.Be3 Austrian. Nothing major to say. Kornev goes for a resonably solid line in which Greet did not have anything major. divergence point is on move 20 (see. Kornev 2016 p.340 and Greet 2011 p.119).

As noted earlier the book does say go for 4.Be3 Bg7 and then 5.Qd2 c6.
In the 6.Bh6 line, recommended by GM Shaw in his book from earlier this year, coverage is quite narrow focusing only on Shaw's (+MVL's) 15.Rhe1 and giving Lagrave-Peralta, Tromsø 2014 as illustrative game.

The line 4.f4 Bg7 5.Nf3 0-0 6.e5 dxe5 is recommended. Tiger Hillarp's 6...Nfd7 7.Bc4, mildly endorsed in his book from 2014, is thus avoided.

Another line mentione in The Modern Tiger: 4.Nf3 Bg7 5.Be2 0-0 6.0-0 e6 7.e5!?, thought to lead to some pressure there, is tackled by verbal dismissal of white's chances followed by showing Andriuschenko-Nyvlt, corr 2014.

Karjakin's new favorite 4.f4 Bg7 5.Bd3 is met simply by 5...0-0 with transpositions; instead of the more combative 5...Nc6.

Have a nice day.

Edit: spelling.
  
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Re: Kornev: A Practical Black Repertoire: Pirc
Reply #20 - 01/25/17 at 10:03:40
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Confused_by_Theory wrote on 01/24/17 at 15:29:17:
- Chapter order. Don't get. Not sure how much thought has gone towards this anyway.


Chapter order for me depends on if the book is one I would read (e.g. a Move by Move or a Staring Out Book) or one I would reference (e.g. a Quality GM repertoire).

I put this book in the reference pile, so what is important to have, especially in a repertoire with so many transpositions is good cross references and indexes.

I guess the reason page numbers aren't used as whilst the book is being produced, the page numbers wouldn't be known.

Some of my most used books have key page cross refs penned into the margin, and sometimes extra game refs and lines. My first edition of Pirc Alert is a veritable graffiti artwork of additional penned in information, I got a good work out on that one! Even Vigus's  'Pirc in Black and White' wasn't immune.

So if Kornev's book stays shy of my pen, then he's done a good job  Wink
  

Those who want to go by my perverse footsteps play such pawn structure with fuzzy atypical still strategic orientations

Clowns to the left of me, jokers to the right, stuck in the middlegame with you
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Re: Kornev: A Practical Black Repertoire: Pirc
Reply #19 - 01/24/17 at 15:29:17
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Hi.

I have the book now.

General impressions:

- Lots of coverage of Reti, Closed Sicilians and offbeat Pircs. Quite nice to see for sure.

- Chapter order. Don't get. Not sure how much thought has gone towards this anyway.

- Does cover move order transpositions quite well. Don't really get why page number references are not used though. Pirc transpositions are a pain.


Pirc Lines:

Will check a bit more before I say anything about the concrete lines, though relatively immediately I noticed some things.


Probably will just edit this post at some point (with more observations).

Have a nice day.
  
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Re: Kornev: A Practical Black Repertoire: Pirc
Reply #18 - 01/14/17 at 06:34:16
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Confused_by_Theory wrote on 01/13/17 at 22:17:57:
In general I am disappointed 13...f5 was chosen as the cut off point.


Considering the size and scope of the book, this may not be the only case.

4. Bg5 is quite a bugbear. The book gives 6. ..g5 and 6. ..0-0!? I think this is the only part of the repertoire where there are two options. This might be telling  Huh

For practical purposes, in this sort of defence (i.e. you are going for unbalance with some risk rather than full equality), you need to have multiple options ready and more than two in some cases!

By offering the full on King's Indian as the sister opening, once that has been assimilated, the Modern move order could be used against Bg5 specialists.
  

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Clowns to the left of me, jokers to the right, stuck in the middlegame with you
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Re: Kornev: A Practical Black Repertoire: Pirc
Reply #17 - 01/13/17 at 22:51:46
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Confused_by_Theory wrote on 01/13/17 at 22:17:57:
Hi.

fling wrote on 01/13/17 at 19:05:01:
Well, the analysis stops at 13...f5=.

Thanks fling.

fling wrote on 01/13/17 at 19:05:01:
"Later, Black can prepare an attack against the enemy king on the semi-open b-file and can also plan a transfer of his knight to the weakened e4-square".

Optimistic imo.

In general I am disappointed 13...f5 was chosen as the cut off point. Seems to me like black still has some problems to solve in the early middlegame. While highlighting ideas such as attacking on the open b-file and going Nd7-f6-e4 is perhaps useful (don't see how either would work though) I dislike them being brought up in connection with an evaluation that way.

Have a nice day.


You are welcome!

Well, I just had a brief look, and agree that it seems like White's position is easier to play and there may be something. If the authors felt it is equal, they should have added some explanation more than a general plan, when the position is that concrete.
  
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Re: Kornev: A Practical Black Repertoire: Pirc
Reply #16 - 01/13/17 at 22:17:57
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Hi.

fling wrote on 01/13/17 at 19:05:01:
Well, the analysis stops at 13...f5=.

Thanks fling.

fling wrote on 01/13/17 at 19:05:01:
"Later, Black can prepare an attack against the enemy king on the semi-open b-file and can also plan a transfer of his knight to the weakened e4-square".

Optimistic imo.

In general I am disappointed 13...f5 was chosen as the cut off point. Seems to me like black still has some problems to solve in the early middlegame. While highlighting ideas such as attacking on the open b-file and going Nd7-f6-e4 is perhaps useful (don't see how either would work though) I dislike them being brought up in connection with an evaluation that way.

Have a nice day.
  
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Re: Kornev: A Practical Black Repertoire: Pirc
Reply #15 - 01/13/17 at 19:05:01
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Well, the analysis stops at 13...f5=. "Later, Black can prepare an attack against the enemy king on the semi-open b-file and can also plan a transfer of his knight to the weakened e4-square".
  
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Re: Kornev: A Practical Black Repertoire: Pirc
Reply #14 - 01/13/17 at 12:35:59
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Hey.

I have yet not got this book Sad (Will soon of course...).

Until then I much wonder how
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Bg5 Bg7 5.Qd2 h6 6.Bh4 0-0!? 7.0-0-0
Is dealt with. The more I look at it the less I like black; even if white probably has to show some precision early on to avoid black getting quite sensible setups. Some lines:


Have a nice day.
  
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Re: Kornev: A Practical Black Repertoire: Pirc
Reply #13 - 01/02/17 at 18:50:18
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Very pleased to see one of my games selected as model play for Black in one of the variations  Cool

Only had a quick look at the recomendations and so far I'm very happy Smiley

Smiley Lots of new stuff to try out! Smiley
  

Those who want to go by my perverse footsteps play such pawn structure with fuzzy atypical still strategic orientations

Clowns to the left of me, jokers to the right, stuck in the middlegame with you
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Re: Kornev: A Practical Black Repertoire: Pirc
Reply #12 - 12/23/16 at 05:06:36
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I have never liked the Nc6 lines here (seems too artificial), or the extended fianchetto stuff (i.e. with g5. too weakening), even though they have been played and recommended often. Even the c5 lines are somewhat shaky too.

After nudging the Bishop, there are other options apart from Nc6  or g5, like the universal c6 and going for the usual stuff.

I'm still looking forward to getting my hands on this book  Cool

Happy Pircing!
  

Those who want to go by my perverse footsteps play such pawn structure with fuzzy atypical still strategic orientations

Clowns to the left of me, jokers to the right, stuck in the middlegame with you
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Re: Kornev: A Practical Black Repertoire: Pirc
Reply #11 - 12/22/16 at 23:14:48
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Hi.

Fllg wrote on 12/22/16 at 19:13:21:
After 5...h6 Shaw´s 6.Bf4 is only a sideline. To his credit Kornev recommends 6...a6 here (because he doesn´t like 6...g5 7.Be3 Ng4 8.h4 for Black) which in return isn´t mentioned by Shaw.

Great. 6...a6 Looks like the best line imo Smiley.

Fllg wrote on 12/22/16 at 19:13:21:
However, the two books merge again after 6.Bh4 (or 6.Bf4) g5 7.Bg3 Nh5 8.0-0-0 Nc6 9.Qe3 Bd7 10.Be2 when they both cite the game Holdschik - Gildred, Chessfriend.com 2004. After the further 10...Nxg3 11.hxg3 e5 12.dxe5 Nxe5 13.f4 Ng4 14.Bxg4 Bxg4 15.Nf3 c6 16.e5 Shaw stops and evaluates the position as clearly better for White while Kornev follows the game a little longer with 16...Qb6 17.Qxb6 axb6 18.Rxd6 Bf8 and attests Black compensation for the pawn. No further explanation is given and at first glance Shaw´s assessment seems nearer to the truth to me.

Don't really get why anyone would want to go into that as black (and consequently why it is in a repertoire book Huh). Further 13.Kb1 looks like a hot contender for line-buster as well.

Fllg wrote on 12/22/16 at 19:13:21:
But Kornev also analyses 6.Bh4 0-0 which may be more reliable for Black.

This I looked at a little bit. Can't say I found anything truly inspiring for black. If white goes for what is likely the critical line, 7.0-0-0, black seemed to benefit in many lines from white having castled long though.


Have a nice day.
  
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