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Very Hot Topic (More than 25 Replies) How to defend against Ruy Lopez (Read 21400 times)
Willempie
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Re: How to defend against Ruy Lopez
Reply #41 - 09/29/05 at 07:03:29
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I'll have to look it up, but when I last played through it it looked very tricky for black to me.
  

If nothing else works, a total pig-headed unwillingness to look facts in the face will see us through.
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photophore
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Re: How to defend against Ruy Lopez
Reply #40 - 09/29/05 at 06:52:07
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After 11...Qxg5 12 Qf3 O-O-O , Black are not worse , and result should be a draw , if nobody makes a mistake (!?!?)
  
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Re: How to defend against Ruy Lopez
Reply #39 - 09/29/05 at 03:30:06
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@ Smyslov_Fan
Arent you confusing 2 variations? Afaik Karpov didnt play a Dilworth (which as white I wouldnt touch) but a piece sacrifice: 1.e4 e5 2. Nf3 Nc6 3.Bb5 a6 4.Nf6 0-0 5.Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.Nbd2 Nc5 10. c3 d4 11. Ng5 (!) Many analysis by Khalifman on this in Anand 2.
Basically 9 Nbd2 evades Dilworth et al.
  

If nothing else works, a total pig-headed unwillingness to look facts in the face will see us through.
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photophore
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Re: How to defend against Ruy Lopez
Reply #38 - 09/29/05 at 03:22:33
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Hi Smyslov Fan!
this variation is well covered in the database of chesslab.com ( there is even one of my games :
Heikkinen-Le Page Finland-France corr 1978 0-1
I quote it because Black strategy is quite evident;
actually , I followed a Bulgarian booklet by Sapoundjiev
Of course it's out of print , but surely it's quoted in
Eric Schiller's " How to play the Dilworth" )
I have not yet orderd Schiller's book , but I shall do it soon
  
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Smyslov_Fan
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Re: How to defend against Ruy Lopez
Reply #37 - 09/29/05 at 00:42:51
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Quote:
9 c3 Bc5 10 Nbd2 O-O 11 Bc2 Nxf2 ( Dilworth variation )
It's not truly a gambit , since black gets R+2P vs B+N
IMHO it's the safest variation for Black in Open Defence



Photophore,

Your comment that it isn't really a gambit is interesting.  I see it as a gambit by White since I consider R+2P to be worth slightly more than B+N (not much tho).  

However, White has done exceptionally well in this line.  Karpov dealt it what I thought was its death blow against Korchnoi in the World Championships (I think it was 1981, but not sure). When Yusupov tried to revive it in the 1990s, he was not entirely successful.  

To the best of my knowledge, Black doesn't go into the Dillworth because White gets a huge edge.  Does anyone have any information to the contrary?
  
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Re: How to defend against Ruy Lopez
Reply #36 - 09/28/05 at 23:22:05
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Thanks Photophore.

Its more the case that i was unaware of them. I'll take your word on that post of yours.  Its only now that I did some research on the Open defense. I usually play the  Marshall against the Lopez whenever I'm not in a Sicilian mood. I must admit I'm quite keen to try out the Open.

If there are any other impt lines that I should know, I would be grateful if you post them up.
  

"I don't make mistakes. I make prophecies which immediately turn out to be wrong." - Murray Walker
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photophore
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Re: How to defend against Ruy Lopez
Reply #35 - 09/28/05 at 10:35:09
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Ref WoofWoof
In the 9 c3 system , you forgot the 2 most important variations :
9 c3 Bc5 10 Nbd2 O-O 11 Bc2 f5 ( McKenzie variation)
12 Nb3 Bb6 13 Nfd4 Nxd4 14 Nxd4 Bxd4 15 cxd4 f4
16 f3 Ng3 17 hxg3 fxg3 18 Qd3 Bf5 19 QXf5 Rxf5
20 Bxf5 Qh4 21 Bh3 with very interesting play
9 c3 Bc5 10 Nbd2 O-O 11 Bc2 Nxf2 ( Dilworth variation )
It's not truly a gambit , since black gets R+2P vs B+N
IMHO it's the safest variation for Black in Open Defence

  
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Re: How to defend against Ruy Lopez
Reply #34 - 09/27/05 at 19:04:19
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OooopppS! Sorry. Most careless of me . Horowitz it is.  Thanks Smyslov Embarrassed
  

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Re: How to defend against Ruy Lopez
Reply #33 - 09/27/05 at 13:35:36
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Btw,

Just to give credit where it's due:

Chess Openings: Theory and Practice was written by I. A. Horowitz.  There are many opening books by Chernev, but I don't think any are as complete as Horowitz' book.  Does Chernev have a book by the same title?
  
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Re: How to defend against Ruy Lopez
Reply #32 - 09/27/05 at 13:33:53
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This seems a handy basic summary but it leaves lines out -- for example the Steinitz Defence Deferred (3 ...a6 4 Ba4 d6), which I myself am very interested in.
  
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woofwoof
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Re: How to defend against Ruy Lopez
Reply #31 - 09/27/05 at 13:24:17
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You are most welcome!

Got the info from http://homepage.ntlworld.com/adam.bozon/ruylopez.htm

It has quite a lot of comments in it explaining the logic behind each move & highlights the various open & closed defenses. It is like a summerised Ruy Lopez repertoir so to speak.
  

"I don't make mistakes. I make prophecies which immediately turn out to be wrong." - Murray Walker
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Michael Ayton
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Re: How to defend against Ruy Lopez
Reply #30 - 09/27/05 at 13:03:03
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Thanks very much for this, woofwoof. I knew about 9 c3 and 9 Nbd2, but I didn't know about the Riga and Trifunovic Variations -- I'll give them a look over.
  
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woofwoof
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Re: How to defend against Ruy Lopez
Reply #29 - 09/27/05 at 12:51:57
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Michael,

1.e4 e5 2. Nf3 Nc6 3.Bb5 a6 4.Nf6 0-0 5.Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6.

Now:

A) 9.c3 system which has 2 branches:

a) 9. c3 Be7;  10. Nbd2 O-O;  11. Qe2 Nc5;  12. Nd4.

b) 9. c3 Bc5;  10. Nbd2 O-O;  11. Bc2 Bf5;  12. Nb3 Bg4;  13. h3 Bh5;  14. g4 Bg6;  15. Bxe4 dxe4;  16. Bf4 Qxd1;  17. Raxd1.

B) Howell attack:
9. Qe2 Be7;  10. Rd1 O-O;  11. c4 bxc4;  12. Bxc4 Bc5;  13. Be3 Bxe3;  14. Qxe3 Qb8;  15. Bb3 Na5;  16. Nbd2 Nxd2;  17. Nxd2 Rd8;


C) Bernstein Variation :
9. Nbd2 Nc5; 10. c3 d4;  11. cxd4 Nxd4; or from this variation   11. Ng5 Qxg5;  12. Qf3 Kd7;  13. Bd5 Bxd5;  14. Qxd5+ Bd6;  15. Ne4 Qxe5;  16. Nxc5+ Kc8;

There are also some unusual systems around :
a) Riga Variation:

1.e4 e5 2. Nf3 Nc6 3.Bb5 a6 4.Nf6 0-0 5.Nxe4 6.d4 exd4;          7. Re1 d5;  8. Nxd4 Bd6;  9. Nxc6 Bxh2+;  10. Kh1 Qh4;  11. Rxe4+ dxe4;  12. Qd8+ Qxd8;  13. Nxd8+ Kxd8;  14. Kxh2.

b)Trifunovic Variation:

1.e4 e5 2. Nf3 Nc6 3.Bb5 a6 4.Nf6 0-0 5.Nxe4 6.d4 b5 7. Bb3 exd4;  8. Re1 d5;  9. Nc3 dxc3;  10. Bxd5 Bb7;  11. Ng5 Be7;  12. Nxf7 Qd7;  13. Nxh8.

9. c3, Howell attack, & Bernstein Variation are more frequently played. The Riga & Trifunovic are more offbeat so to speak. Hope this helps.
  

"I don't make mistakes. I make prophecies which immediately turn out to be wrong." - Murray Walker
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Re: How to defend against Ruy Lopez
Reply #28 - 09/27/05 at 11:56:49
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Quote:
What are the "3 main Open Systems", woofwoof?


Hi Micheal,

In fact I dont know the names. My reference was Irving Chernev's Chess Opening's Theory & Practice. It only gives it as Open System I, II & III. That book came from the days where the French Winawer was known as the Nimzowitsch defense. So Its THAT old.

I'll go & do some research & get back to you. Or if any of our Gods here who are more updated than yours truly....their assistance would be most appreciated Grin
  

"I don't make mistakes. I make prophecies which immediately turn out to be wrong." - Murray Walker
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Michael Ayton
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Re: How to defend against Ruy Lopez
Reply #27 - 09/27/05 at 11:34:19
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What are the "3 main Open Systems", woofwoof?
  
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