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Very Hot Topic (More than 25 Replies) C03-C04: Nd2 in the Tarrasch????? (Read 25190 times)
Memers(Guest)
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Re: Nd2 in the Tarrasch?????
Reply #42 - 04/22/06 at 05:02:39
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Quote:
Hi, I have a question.

1 e4 e6
2 d4 d5
3 Nd2 Nc6
4 Nf3 Nf6
5 e5 Nfd7
6 Bd3 f6

What should Black play after 7. Nh4 ?  Is not Qh5 a serious threat?


@Psiaczek,
The simple 7.Nh5 g6 ask the question to the rim Knight. Better for White is 7.exf6 Qxf6 and 7.Ng5 Ndxe5.

@French2006,
Since 3.Nd2 Nc6 in most lines concentrate on f6 center counter vs. 3.Nd2 Nf6 c5 break, the Guimard system looks more volatile. Of course IMO.

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Memers


  
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Psiaczek(Guest)
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Re: Nd2 in the Tarrasch?????
Reply #41 - 04/21/06 at 11:35:37
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Hi, I have a question.

1 e4 e6
2 d4 d5
3 Nd2 Nc6
4 Nf3 Nf6
5 e5 Nfd7
6 Bd3 f6

What should Black play after 7. Nh4 ?  Is not Qh5 a serious threat?
  
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French2006
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Re: Nd2 in the Tarrasch?????
Reply #40 - 04/21/06 at 02:41:59
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3...Nc6 is an interesting move in my opinion, but still I prefer 3...Nf6. With litle theoretical knowledge i ve done prety well with this move. It is sharper than 3...Nc6 isnt it why you play the french!?
  
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memers(Guest)
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Re: Nd2 in the Tarrasch?????
Reply #39 - 04/20/06 at 19:01:54
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Darthmambo wrote on 01/25/03 at 20:13:41:
Well, I am trying to find something to play against nd2, and was wondering about nc6. What does everyone have to say about it? What is the critical line for Black? Is there a line for white that has put it out of business?


@Darthmambo,
1. I do play this variation! I have background in the 3.Nd2 Nf6 and found the lines very complex. I switched to 3.Nd2 Nc6 based upon less theory and less lines to memorize.
2. In a nutshell, I haven't notice any lines critical for Black.
3. This is what I use for the French Guimard from the Black side.
   
   A. 4.c3 e5 5.dxe5 Nxe5
                  5.exd5 Qxd5
   B. 4.Ngf3 Nf6 5.e5 Nfd7 6.Bd3 f6
                                      6.Be2 f6
                                      6.Bb5 a6
                                      6.c3 f6
                                      6.Nb3 a5 with delayed c5 in the air for black.
                                      6.b3 f6
                                      6.c4 GM Mac talks about this line in pub.com.
 If there are critical lines for Black, I, also like to know.

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Memers 
                 
  
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Martin Carpenter(Guest)
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Re: Nd2 in the Tarrasch?????
Reply #38 - 02/28/06 at 11:04:54
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This does look good thanks. 11 o-o stops black from playing e4 effectively (now Bxe4 is very dangerous) which is very important for white. My computer suggested the rather natural 11 .. Nf6!? which might be a slight improvement for black over taking on d4.

Certainly it can rapidly  get quite obscure eg 12 de Nxe5 13 Nxf8 Nxd3 14 Nxh7 Bf5!? etc. 

Sadly 12 de Nxe5 13 Bb5+! and then .. Kf7 14 Ng5+ Kg8 15 Be2 or .. Ke7 14 Nxf8 Qxb5 15 Re1 Kxf8 16 Rxe5 or 14 .. Kxf8 15 Be2 simply seem to leave black with a typical enough unpleasant IQP position before you start wondering about what his king & rook on h8 are doing Smiley 

I guess 13 .. Kf7 is best for black and you might manage to survive somehow from that position but it's not something to aim for. Still the line is probably tricky enough that it merits a footnote somewhere.
  
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dom
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Re: Nd2 in the Tarrasch?????
Reply #37 - 02/25/06 at 10:29:23
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9...fxe5?! and now

A) 10.Qh5+ Ke7 11.Ng6+ hxg6 12.Qxh8 e4 13.Bb1 Nxd4 14.Nb3 Kb7 with the threat Bb4+ . Matous-Felix,Tchecoslovaquie 1978 (Templare on chesspublishing forum) or 13.Fxe4 dxe4 14.Cxe4 Qa5+ 15.Bd2 Qh5 and Black has a good game 

B) 10.Nxe6! Qb6 11.oo! (11.Qh5+ Ke7 12.Nxf8 Kxf8 and Black king is safer on f-file than on e-file)  Nxd4 12.Nxd4 Qxd4 13.Nf3 Qg4 14.h3 Qh5 15.Bb5 e4 16.Ng5 Qxd1 17.Rxd1 and White has initiative.

I didn't find a way to escape as Black in line B).



  

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Martin Carpenter(Guest)
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Re: Nd2 in the Tarrasch?????
Reply #36 - 02/24/06 at 12:49:16
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Since this seems to be a defacto 9 Nf4 thread I thought I should put this here.

I was intrigued to see 9 .. fe mentioned elsewhere - this isn't (iirc) mentioned in either Psahkis or Pedersen's recent Tarrasch books and is hardly played judging from the chessbase online database.

Is there any established refutation of this to account for the rarity? It certainly seems a fair bit riskier than 9 .. Nxd4 but I couldn't find any simple way to tie it down.

9 .. fe 10 Qh5+ Ke7 11 Ng6+ hg 12 Qxh8 e4 seems fine after (say) Bb1 Nxd4, although something like 13 Bxe4!? de 14 Nxe4 certainly looks like it could prove rather dangerous.

or 10 Nxe6 Qb6 11 Qh5+ Ke7 and then maybe 12 Nxf8 Kxf8/Rxf8 seem like more or less reasonable tries or 12 Ng5 trying to get the queen into f7. This line does seem annoying enough to account for Nxd4 being a better idea, but not for the ideas complete neglect.

Just interested really Smiley
  
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dom
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Re: Nd2 in the Tarrasch?????
Reply #35 - 11/06/05 at 11:57:18
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Yes good idea to exchange (poor) bishop for the knight, but I don't think White will manage an attack, and White might have some problems on the h file.
21.Rad1 g6 

You can look at the same idea in 20.b4 Bb6 21.Bxf6 Kxf6 22.Ra3 (looks better than Rad1&Rd3 because one tempo more and 3-rank is longer for the queen) g6! Kengis-Moskalenko, SSSR 1984  Drasko =+

---------

14.oo "equal game and Black has good practical chances to win"
  

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Re: Nd2 in the Tarrasch?????
Reply #34 - 11/06/05 at 11:05:48
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Dom, 

Lost will appreciate my following comment:

14.0-0=

(Actually, there is plenty to analyse here, but the conventional wisdom and your own concrete analysis are plenty to go on for now!)
  
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Re: Nd2 in the Tarrasch?????
Reply #33 - 11/06/05 at 10:59:48
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Dom -

I like 19.Qh3 in line C, but after 19...Qd7, I prefer 20.Bxf6 Kxf6 21.Rad1.  Black's knight can become too strong, so white needs to remove it.  There is still quite a lot of play left in this position.  My intentions are to use my rooks against black's king as quickly as I can.  I plan a rook lift (Rd3) coupled with Kh1 so I can push my f-pawn.  Meanwhile, my queen is ready to invade via h7 or h4.   

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Re: Nd2 in the Tarrasch?????
Reply #32 - 11/06/05 at 07:00:54
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15.Nb3 Nxb3 16.axb3 Bf5 (and not Be7) 17.Bxf5 gxf5 18.Bg5 Bc5! and now

A) 19.Qh4 Qd6 20.Bxf6 (20.Rad1 Ne4 ... advantage to Black, I'll post next moves if you wish) Qxf6 21.Qxf6 Kxf6 22.Ra5 b6 23.Ra6 e4 24.Rac1 (24.Rfa1 Rc8 25.Kf1!? (25.Rxa7 Bd4! 26.Rd1 Rc2 -/+ ) Bb4!! Kramer-Chernin Somerset 1986 and advantage to Black according to Psakhis & Drasko, small advantage to White for Short with the same game reference)  with the idea b4 - Drasko. 

B) 19.Qxd8 Rxd8 advantage to Black

C) 19.Qh3 Qd7 20.Rad1 (20.b4 Bb6 21.Bxf6 Kxf6 22.Ra3 g6 Kengis-Moskalenko, SSSR 1984 Drasko ; 20.Bxf6 Kxf6 21.Rac1 Bb6 22.Rc3 g6 23.Qh4+ Ke6 Horvath-Barsov,Val Thorens 1996 Psakhis) Ne4 21.Be3 d4 22.Bc1 Nf6 = Bednarski-Kosten, Lille 1985

------------

15.Nxf3..... 18...Qh4 (and not Bh3, Black wants more than a draw) 19.f3 Bh3 20.Qh7 Bc5! 21.Bxc5 Qg5+ 22.Kf2 Qd2+ 23.Be2 Nf4 24.Kg3 and now instead of Nxe2+ given by MCO Sveshnikov-Vinokurov (MCO), Black has 24....Bxf1! 25.Bxf1 Nh5+ 26.Kh3 (26.Kg4?? Qf4+ and mat in 6 moves) Rc8 -+
or 19.f4 Qg4+ 20.Kf2 (20.Kh1 Qh3-+) Bf5!! 21.exf5 Be7 22.fxg6+ Ke6 23.f5+ Ke5 and advantage to Black
or 18.exd5 Qh4 19.Bxg6+ Kxg6 20.Qf8 and instead of 20...Bh3 MCO ( for example 21.Qf3 Rf8 22.Qe2 Rf6 23.a4 Kh7 24.Ra3 Rg6+ 25.Rg3 Nxg3 26.hxg3 Bxf1 27.Qxf1 Qd4 and draw: Qh3+-Kg8-Qc8+), Black has 20...Bf5 21.Qa3 Qg4+ 22.Kh2 Rh8 =

  

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Dom –Re: Nd2 in the Tarrasch?????
Reply #31 - 11/05/05 at 09:20:33
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Dom –

15.Nb3 Nxb3 16.ab3 Be7 17.Qxd8 Bxd8 18.Be3 is ok for white.  15.Nf3?! Nxf3+ 16.gf3 e4 17.fe4 Nh5 18.Be3 leads to a quick draw (18…Bh3 19.Qh7 Qh4 20.f3)

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Re: Nd2 in the Tarrasch?????
Reply #30 - 11/05/05 at 06:55:19
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Is 14.oo an improvement ? I don't believe it.
I give some variations after 14...e5

A) 15.Nb3 Nf5 (15...Be6 is given by MCO but I prefer Nf5 keeping the pawns in the center) Beliavski-Cuartas,Bogota 1979 Zlotnik  and now 16.Bg5 (16.Kh1?! e4 17.Be2 Be6) Qb6! (e4 or a5 give unclear play ; Be6 is given in Psakhis's book Kosteniuk-Slavina, Minsk 2001) 17.Rac1 a5! Matanovic & Minev & MCO. The simple 15..Nxb3 might be better , giving same advantage as in the "main line" 14.Qh4 ,  Bednarski-Kosten, Lille 1985 - Drasko

B) 15.Nf3 Nxf3+ 16.gxf3  and now Black can play the line with Bf5 given in Psakhis's book Zlochevsky-Barsov,URSS 1987, but I prefer trapping the queen: 16..e4 (16..Nh5 17.Qh7) 17.fxe4  Nh5 is given in Short's book about the French, Krocian-Kolcak corr. 1988

In the 14.Qh4 line, maybe the move 18...Be7!? might be tried with the idea to exchange queens, since after 19.oo Black has 19..Qh8. Then 20.Qxh8 Rxh8 and Ke6 next move or 20.Qg3 f4 21.Qg2 Qh5. Unhappily I didn't a good variation vs 19.ooo!, computer move but can Black really attack White's king and defend his own king.

  

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Re: Nd2 in the Tarrasch?????
Reply #29 - 11/05/05 at 01:03:05
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Oh, by the way Lost, 

Karpov, in the same book mentioned above, says after 13...Kf7 "Black has quite a pleasant game for the small material loss."(p. 100) I remember some student olympiad game that I studied with 14.0-0 before the age of computer databases in which Black simply crushed White.  It waren't purty. Wink
  
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Re: Nd2 in the Tarrasch?????
Reply #28 - 11/05/05 at 00:59:00
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Klick, 

I had never seen those notes to the Timman game.  I was aware that Timman had tried the position as White against Morozevich, but as Karpov said in The Semi-Open Game in Action  there were several sharp alternatives at move 18, including 18...Rc8 which had been played before 1988.

Karpov stopped his analysis of the position at 24. and proclaimed that Black "had a strong center and a pawn for the exchange".  He didn't claim that Black has the advantage, but did point out that Timman "gradually outplayed his opponent and won the game."  (p.101).

Karpov's notes and subsequent practice have bourne out that Black has at least enough compensation for the exchange and perhaps a bit more.
  
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