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Hot Topic (More than 10 Replies) C18: Hertneck variation in Winawer (Read 13703 times)
Craig
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Re: Hertneck variation in Winawer
Reply #18 - 03/15/05 at 01:23:53
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Ok, in the game Bacrot v. Vaisser analyzed on chesspub, it says that white found new move 22. 0-0-0 that gives them large advantage. However, If move 24 black play Rf5 instead of b4, it appears that fritz gives black +1.5... Is there a mistake in analysis??
  
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Alan Hartley
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Re: Hertneck variation in Winawer
Reply #17 - 03/12/05 at 23:14:01
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This isn't the Hertneck variation quite, but--

8.Bd3 f5!? 9. exf6 Rxf6 10. Bg5 Rf7 11.Qh5 h6!? (hoping to avoid the ugly dark square weakening that occurs after 11. . .g6) 12. Nf3! Nc6! 13. Bh7+! Kxh7 14. Qxf7 hxg5 and now White should ignore Psakhis' g4 and h4 idea and play the simple Nxg5+ followed by Nxe6 with advantage.

I just surfed on in here by googling "Qg4 0-0" so if non-members aren't allowed to do this, I apologize. . .
  
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Martin Carpenter
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Re: Hertneck variation in Winawer
Reply #16 - 03/06/05 at 06:02:40
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There is also the related idea to 11 .. Nce7 of 10 .. Nce7. This suffices to defend vs Ng5 and can turn independent if black doesn't put his queen on c7. It's certainly tempting to keep the option of Qe8/Qa5 in one move if possible.
(Although there then isn't a bishop on e3 to hit with Nf5!).

Eg:
11 h4 Qa5 12 Bd2 c4 13 Bxg6 fg 14 Qg4 Qa4 ^ 15 h5 Qxc2/ Qe8 if white defends c2. (or maybe Qxa3 - might be too risky).
The sacrifice known from 10 .. Qc7 11 h4 c4 doesn't seem to work here with black defending g6.
Kindermann and Dirr give another line here for black which they also think is fine.

11 Bg5 is both logical and annoying for black since he has to defend the e7 knight with his queen & unpin. So Qc7 or Qe8 I suppose.

11 dxc5 is the main line if anything is. Black then seems to depend on 11 .. b6 working. 

12 Be3 Qc7 is back to the 11 .. Nce7 lines (and meant to be OK) so white's got 12 c6 or 12 cxb6.

c6 was what happened in the only GM game I know of which reached this (Lutz - Pelletier, Zurich 2002) which turned very random indeed after 12 .. Qc7 13 o-o f5 14 ef gf 15 c4 etc.
Psahkis suggests 13 .. Qxc6 14 c4 Bb7 which seems a little calmer Smiley

After 12 cb Psahkis just says Black has an easy game. 
I assume that black goes Ba6 swaps on d3, provokes d4 by hitting e5 and pummels away at a3 & c3.

This certainly looks to be enough to make it hard for white to do anything with his extra pawn. One question to ask is whether black has any realistic winning chances here. He's got to keep some bits defending the kingside. White might also be able to avoid playing d4 when life is harder.

Still this seems interesting to play and I think 11 Bg5 might be most worrying. Unless I've missed something this line does look interesting though.
  
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Eaglesfan2
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Re: Hertneck variation in Winawer
Reply #15 - 03/05/05 at 15:56:19
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Ok I believe I overestimated Black's position after the 17. Rh3 line given by Watson.  I just looked it up in chessbase and its record for white is 10-0-3 !
This line 16... Raf8 is starting to look worse to me than the 16...Rxh5 one.
  
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Eaglesfan2
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Re: Hertneck variation in Winawer
Reply #14 - 03/05/05 at 12:35:26
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What about:
 
1. e4 e6 
2. d4 d5 
3. Nc3 Bb4 
4. e5 c5 
5. a3 Bc3 
6. bc Ne7 
7. Qg4 0-0 
8. Bd3 Nbc6 
9. Qh5 Ng6 
10. Nf3 Qc7 
11. Be3 c4 
12. Bg6 fg 
13. Qg4 Bd7 
14. h4 Rf5 
15. h5 gh 
16. Rh5 Raf8! Watson says that this is 'dicey' but i disagree 
 
This seems solid enough and Nh4 ideas stopping Be8-g6 ideas seem to be met by Rf2. Does anyone have any white responses that lead to any advantage?
  
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HgMan
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Re: Hertneck variation in Winawer
Reply #13 - 12/01/04 at 22:06:52
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Thanks for the Hull Chess Club analysis.  I think you're right: Watson is a little too dismissive of 17 ... Rf8 and the exchange sac.  This certainly eases the pressure around the Black king.  Mind you, Ionov goes down without much of a fight against Sergienko, who simply outplays him.  I'd have to go through the game more carefully to be specific, but I don't think life should be quite that easy for Black in this line...

I'm still leaning toward your 11 ... Nce7, 12 ... Nf5 suggestion.  Here's a more recent game that adopts this move.  It's not of the same caliber as the Anand-Lputian tilt, and I'm not crazy about the ideas behind White's 15 0-0, but Black does get another reasonable game, which says something.

[Event "ESP-chB"]
[Site "Seville"]
[Date "2004.08.03"]
[Round "5"]
[White "Lopez Martinez,Josep Manuel"]
[Black "Fernandez Romero,Ernesto"]
[Result "1/2"]
[Eco "C18"]
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.Qg4 
0-0 8.Bd3 Nbc6 9.Qh5 Ng6 10.Nf3 Qc7 11.Be3 Nce7 12.h4 Nf5 13.g4 Nxe3 14.fxe3 cxd4 15.0-0 f6 16.Ng5 fxg5 17.Rxf8+ Kxf8 18.Qxh7 Qxe5 19.Qxg6 Qg3+ 20.Kh1 Qh3+ 21.Kg1 Qxg4+ 22.Kh2 Qxh4+ 23.Kg2 Qg4+ 24.Kh2 Bd7 25.Rf1+ Ke7 26.Qxg7+ Kd6 27.Rf8 Qh5+ 28.Kg3 Rxf8 29.Qxf8+ Kc7 30.cxd4 Qh4+ 31.Kg2 Qg4+ 32.Kf2 Qh4+ 
33.Kg2 g4 34.Qf4+ Kb6 35.Qd6+ Bc6 36.Qg3 Qxg3+ 37.Kxg3 Ka5 38.Be2 Ka4 39.Bxg4 Kxa3 40.Bxe6 Kb4 41.e4 Kc4 42.c3 a5 43.Kf4 Kxc3 44.Bxd5 Kxd4 45.Bxc6 bxc6 46.e5 Kd5 47.Kf5 a4 48.e6 Kd6 
49.Kf6 a3 50.e7 a2 51.e8=Q a1=Q+ 52.Kf5 Qf1+ 53.Kg4 Qc4+ 54.Kg3 Qc3+ 55.Kg2 Qg7+ 56.Kh1 Qh6+ 57.Kg2 Qg5+ 58.Kh1 c5 59.Qb8+ Kd5 60.Qb3+ Ke5 61.Qb8+ Kf5 62.Qb1+ Kf4 63.Qc1+ Kg4 64.Qd1+ Kf5 65.Qd5+ Kg4 66.Qxg5+ Kxg5 67.Kg1 Kg4 68.Kg2  1/2

  

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dom
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Re: Hertneck variation in Winawer
Reply #12 - 11/30/04 at 15:12:11
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Had I already posted following variation ? (don't know)...

Hull Chess Club web site gives 17..Rf8 (instead of Watson's Be8!? ... sorry for Watson, my current page for his book  is 51) and I have game reference: Ionov-Seglenko 1999.

18.Qh3 Rxf3!? 19.Qxf3 Be8 20.Qh3 Qd7 21.a4 Bg6 22.Kd1 Na5 23.Bc1 Bf5 and so on

or

18.Kd2 Be8 19.Qg4 Qe7 20.Rh1 Bg6 and draw for Heer,B-Kipper,J/Crailsheimer op 1998 game and HullChessClub and I prefer Black

HullChessClub idea 18...Rxf3!? to give the exchange is a good idea. 

To add one more note: for recent game look at Bacrot-Apicella,Belfort 2004 with 15.Ng1!?
  

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HgMan
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Re: Hertneck variation in Winawer
Reply #11 - 11/29/04 at 20:58:53
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It certainly is a delicate balance.  In correspondence chess, it's perhaps easier to delve into sharp or topical openings.  The initial stage of the competition, then, is based on combining research with an open mind.  The next challenge is to find a new path to get your opponent out of book.  So one needs to merge research and innovation.  For correspondence chess, lines like the Hertneck variation are excellent for just those reasons.  I guess I do have the luxury of being able to refer to my library when an opponent diverges before I do.

Having played the Caro for years, I also appreciate the relative familiarity of the Burns, especially over the board.  At the same time, I always found myself looking for complications over the board anyway...   Grin ??? Cry
  

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lnn2
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Re: Hertneck variation in Winawer
Reply #10 - 11/29/04 at 20:18:13
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One task I found practically IMPOSSIBLE is to learn all the sidelines of the Winawer to prepare for OTB. White has so many different attempts to avoid the main hertneck line and they all require a different/switch of plans from Black. Some of these sidelines are dangerous. I actually lost a few games to harmless (?)positional continuations like 7. Nf3/ 7. a4, and even earlier deviations like 5. Bd2 is not easy to meet. 

I prefer to play moves that are largely the same regardless of what White does.. my brain is not a hard disk!  Roll Eyes Hence 3.. Nf6 is more palatable.
  
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HgMan
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Re: Hertneck variation in Winawer
Reply #9 - 11/29/04 at 12:18:08
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I agree: the idea of playing these lines is terrifying without a LOT more analysis and home preparation.  But I mainly play correspondence chess, so I enjoy the analysis and have the luxury of diving straight into complications.   8)

It seems to me that there is a lot of food for thought here--and plenty of places for innovation.  I look forward to further exchanges in these lines!   Cheesy
  

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Re: Hertneck variation in Winawer
Reply #8 - 11/29/04 at 11:44:09
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Quote:


I'm inclined to agree.  This line doesn't look good for Black and it seems as though we need to look for improvements earlier.  What do you think about 12 ... Nf5, the subject of dom's post on the Hertneck, and my own query about 13 ... Qf7 ?  I suspect that both are clearly better than the options in this line, but what do you think of their merits?   Roll Eyes


will look at this and reply later... I like analysing the winawer but hate playing it!! After trying winawer for years i've had nothing but suffering over the board  Embarrassed 

I found watson's recommendations in the Winawer not very suitable for me. The Hertneck line suffers from all the problems raised in this forum, and the alternative line with 8... f5 is so loosening imho. It's uncomfortable with so many seemingly weak squares around my king. Furthermore black is frequently expected to play ...e5. My king feels naked.

Therefore i am using Watson's Nf6/dxe4 burn lines instead, more solid and suitable for a caro player.
  
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HgMan
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Re: Hertneck variation in Winawer
Reply #7 - 11/29/04 at 10:44:21
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Quote:
When Watson's 3rd ed came out I analysed the hertneck variation fairly deeply with his book, and around that time the New in Chess yearbooks happen to cover that line too. I also read Antti's post here and remember agreeing with him. 

One conclusion is for sure though: White's position is always much easier to play than Black's, regardless of "thereotical" equality. Embarrassed


I'm inclined to agree.  This line doesn't look good for Black and it seems as though we need to look for improvements earlier.  What do you think about 12 ... Nf5, the subject of dom's post on the Hertneck, and my own query about 13 ... Qf7 ?  I suspect that both are clearly better than the options in this line, but what do you think of their merits?   Roll Eyes
  

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Re: Hertneck variation in Winawer
Reply #6 - 11/29/04 at 08:57:20
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When Watson's 3rd ed came out I analysed the hertneck variation fairly deeply with his book, and around that time the New in Chess yearbooks happen to cover that line too. I also read Antti's post here and remember agreeing with him. 

One conclusion is for sure though: White's position is always much easier to play than Black's, regardless of "thereotical" equality. Embarrassed
  
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Re: Hertneck variation in Winawer
Reply #5 - 11/28/04 at 23:42:29
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Sorry to be rehashing so many different old discussions.   

19 Bg5 Bf7 20 Nh4!? looks impressive and Black is left without much of a plan.  I like the idea of moving the bishop over the h7, but it does look pretty slow, even if Black starts with h6, gaining a tempo on the White bishop.  But is there anything overly problematic with the blunt 20 ... h6 21 Be3 Qe8 to get the bishop to g6 with the White queen offering support?  If Nxg6 Qxg6 and Nf7 provides some defensive flexibility, though I agree Black is going to be hunkering down for a tough slog.

Alternatively, I wonder about the Black king moving out to f8 as part of this manoeuvering to avoid what could be a nasty onslaught (g4, Rf1, f4, f5, etc.)?
  

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Lauri Torni
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Re: Hertneck variation in Winawer
Reply #4 - 03/28/04 at 04:58:31
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Hi!

Unfortunately not. I used this time the old-fashioned board and 
brains(?) method.   

Antti
  

1.Nf3! -  beat your opponent by killing his zest for life.
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