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Gerardo Lebredo Zaragoitia vs Tigran Vartanovich Petrosian
Vilnius (1978), Vilnius LTU, rd 6, Jul-??
Nimzo-Larsen Attack: Classical Variation (A01)  ·  0-1



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Kibitzer's Corner
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Jul-15-08  TheaN: <AccDrag: vesco, maybe 1.b3 is not so bad

Many more 1-0 than 0-1. :-)>

I have the sligthest feeling that you searched the opening in correlation with its practioner on purpose :P.

Nonetheless though, the Nimzovich-Larsen is not immediately equalizing and certainly not winning for Black, but it might have a little less prolonged advantage than the Ruy or Sicilian; it's more of a tactical struggle with usually better chances for White. I think White was too optimistic playing such ideas against Petrosian, he probably tried to avoid most of his opening theory, alas, that didn't work.

Premium Chessgames Member
  johnlspouge: Tuesday (Easy): Black to play and win.

Material: Even. The White Kh2 is stalemated, so checks are important. Both the Black Qe8 and Nf6 can check. Only Rf8 requires activation, but Nf6 blocks its f-file access to the battlefield.

Candidates (32…): Ng4+

32…Ng4+ 33.hxg4 Rf8 (threatening 34…Rh8#)

34.g3 Rh8+ 35.Kg2 Qg8#

Jul-15-08  Rainier Wolfcastle: just nice!
Premium Chessgames Member
  johnlspouge: The mate is very similar to a previous puzzle

V Iordachescu vs Karpov, 2007

I can be taught!

Jul-15-08  MiCrooks: I found Nh5 which leads to an easy win and stopped looking, overlooking Ng4+ forcing a quick mate.

Key variation in Nh5 is Qe2 Qg3+ Kg1 Rf3! which I should have known was too hard for a Tuesday :) but I only give myself a few seconds to look at these each day as I usually do them at work.

Feel a bit chagrinned at missing a Tuesday puzzle!!

Premium Chessgames Member
  johnlspouge: Change all those 8s in the variations of my post to 1s. I know I reflect a lot, but today, it was completely out of hand.
Jul-15-08  runderwood: I figured Ng4+ immediatly, since every puzzle seems to just be a dubious material sacrifice, but I wasn't sure of the next move. I thought Qh4 first which doesn't lead to a mate. Rf1 is good.
Jul-15-08  alphee: Easy tuesday and I first saw it with 33. ...♕h5+ with 34. ... ♖f1# that looks the same.
Jul-15-08  JG27Pyth: <JohnLSpouge>The mate is very similar to a previous puzzle

V Iordachescu vs Karpov, 2007

I can be taught!>

Yes! I learned from that puzzle too, in fact my personal name for this mate is "Karpov's mate" though I'm sure it pre-dates him by a century or two.

Several posters mention finding Ng4+ first and then taking a bit of time to find Rf1... seems backwards to me. I saw that Rf1 would be strong and then saw the only thing preventing it was my own N. -- Ng4+ was then the obvious choice, clearing the file with check and sucking the White pawns into an involuntary contribution to the mating net.

Jul-15-08  Lutwidge: 1.b3 is a bit of an odd and perhaps almost insulting move to play vs Petrosian, given that the arguably second most famous game ever played with that opening (by transposition) was the crucial game six of the '72 Fischer - Petrosian match, won of course by Fischer as Black.

Jul-15-08  Petrosianic: Nothing insulting. By 1978 Larsen's Opening was fairly accepted as a reasonable opening system. Larsen had tried it against the World Champion as far back as 1970:

Larsen vs Spassky, 1970

Petrosian himself was fond of a variation of it in English/Reti systems:

Petrosian vs Korchnoi, 1971

Petrosian vs Fischer, 1971

Even Fischer had given it a whirl or two:

Fischer vs Filip, 1970

Fischer vs Mecking, 1970

Jul-15-08  MiCrooks: Nothing wrong with b3, so hard to consider it insulting. Alphee, the immediate Qh4+ (Qh5+ not possible) does not do it, though you can always get back to the right position and try it again :)! Kg1 (forced) Rf1+??? Kxf1 :)!!!
Jul-15-08  Lutwidge: It wouldn't be insulting because of the opening being bad per se, but because of Petrosian's own game vs Fischer with it, which he famously lost.

That said, it's still not really insulting, I suppose, just somewhat cheeky when played by a much weaker opponent vs him.

Jul-15-08  Lutwidge: Oh, and yeah, the Petrosian-Fischer match was in '71, of course, not '72. D'oh. :)

Jul-15-08  YouRang: A good puzzle, although checking the immobilized king with our knight while opening the f-file for our rook was a bit too enticing to make it difficult. So, 32...Ng4+ it is, and 33.hxg4 is forced.

Now, 33...Rf1 threatens 34.Rh1# or 34.Qh4#. These threats can only be delayed a little -- they can't be stopped.

Jul-15-08  Petrosianic: <I suppose, just somewhat cheeky when played by a much weaker opponent vs him.>

Oh, cheeky. Well, that may be. Reminds me of something some writer (I can't remember who) said about this game:

Karpov vs Miles, 1980

Something like that the opening wasn't bad exactly, but it was tacky. When you're having the world champion over for dinner, you don't serve pizza.

Premium Chessgames Member
  kevin86: I really blew this one in that I had the correct moves,but not in the right sequence:

I had 32...♘g4+ 33 hxg4 ♕h4+ and coundn't find the continuation :(

Then I had 32...♘h5 followed by ♖f1..I just didn't put my second move into my first try...

Jul-15-08  medeirosjj: its easy
Jul-15-08  Kasputin: There may be more than one way to win, but this method is effective enough:

32 ... Ng4+
33. hxg4 Rf1 and now mate is threatened with the rook moving to h1.

White can play 34. Qf2 in order to prevent mate in the event of ...Rh1, but black can simply take the queen with the queen. Down a queen for a knight, white's position is hopeless.

The only other thing that white could try is to play 34. g3, but this simply delays the mate with Rh1 and then Qg1# coming.

Jul-15-08  Kasputin: "Down a queen for a knight, white's position is hopeless." True, but I didn't really think about the immediate ...Qh4 which ends it immediately of course if white decided to move 34. Qf2
Jul-15-08  Rank Amateur: ToTheDeath: Ng4 was the obvious candidate move, but it took a few seconds to find the follow up crusher ...Rf1. Good puzzle.

Funny, I found the moves in the opposite order. Knew I wanted Rf1 but first had to get the knight out of the way.

Jul-15-08  Rank Amateur: I think White made about 6 really ugly knight moves in this game. The result was a position where nobody could get near the White king except the black pieces.
Jul-15-08  TheaN: <johnlspouge: Change all those 8s in the variations of my post to 1s. I know I reflect a lot, but today, it was completely out of hand.>

I was actually just about to ask you about it when I saw your own correction; which is usual, I have to admit :).

Maybe a bit rude, but may I ask what's the cause? Is it some form of dyslexia?

Nonetheless though, your posts are quite informative, especially the candidate move list.

Premium Chessgames Member
  DarthStapler: Got it
Jul-15-08  Fezzik: I liked this problem because the second move was harder to see than the first. I spent a few seconds on 2...Qh4+ before realising that the move played was the only one to justify the N sac.

Beautifully done by the Iron Tiger!

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