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Normal Topic Potent Sveshnikov double pawn-sac for black: (Read 8281 times)
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Re: Potent Sveshnikov double pawn-sac for black:
Reply #7 - 06/24/13 at 23:55:02
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I am just lost in a correspondence game in which after 19.- Qd3 i played, wrongly f4 and f3. Now I have just lost my f3 pawn ...
  
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FirebrandX
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Re: Potent Sveshnikov double pawn-sac for black:
Reply #6 - 06/13/13 at 12:26:13
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GuggleBuf wrote on 06/01/13 at 20:41:50:
Excellent post FirebrandX, used this today in the penultimate round to assure me my third otb IM-norm.

I love you bro! (no homo).

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NICE!!

I have to admit the win I gained from using this move was vitally important as I'm now going to secure 1st place in the 19th USA CCC with a + 6 score after my last opponent resigns.

I'm in the process of writing full analysis notes to this win and several other key games I played in the tournament. They will likely be posted in Alex Dunne's CC articles over at USCF after the tournament is mostly finished.
  
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Re: Potent Sveshnikov double pawn-sac for black:
Reply #5 - 06/01/13 at 20:41:50
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Excellent post FirebrandX, used this today in the penultimate round to assure me my third otb IM-norm.

I love you bro! (no homo).

Smiley
  
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FirebrandX
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Re: Potent Sveshnikov double pawn-sac for black:
Reply #4 - 05/28/13 at 20:16:48
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14.Nxb5 has to do with popularity. In my ICCF archives, it still holds a 30% greater usage than c3.

Now my own approach to attacking the Sveshnikov in CC is to go for the most complex possible line I can. I recently won a game on my way to the IM title (which I will get after a couple more opponents finally resign) in the MN-093 tournament:



My opponent was at a loss for a plan in the ultra-complex middlegame, and subsequently made a mistake playing 23...fxe4? when this assured that black wouldn't have the usual counterplay with a pawn storm down the kingside. From there, it was a fairly simple matter of winning by brute force in the center.
  
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Re: Potent Sveshnikov double pawn-sac for black:
Reply #3 - 05/28/13 at 14:13:32
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I'm surprised people still play this 14.Nxb5 variation, especially in correspondence - I thought it was well-known that Black obtains fantastic compensation for the pawn. The last time I looked at this (which was a long time ago!) White was trying lines like 14.Re1 and 14.c3 Bg7 15.Nc2.
  

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Re: Potent Sveshnikov double pawn-sac for black:
Reply #2 - 05/28/13 at 13:26:27
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Really interesting post - thanks for bringing this one up!  Grin
  
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Re: Potent Sveshnikov double pawn-sac for black:
Reply #1 - 05/28/13 at 08:56:35
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Scary. From a rather ignorant perspective I have to say that this very much looks to be what white deserves for sending his bishop over to b3! It does look rather absurd out there.

Of course if a 2600+ correspondence player is doing it, I have to presume that there is quite a bit of logic underlying it somewhere Smiley
  
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FirebrandX
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Potent Sveshnikov double pawn-sac for black:
05/27/13 at 21:58:42
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Even the best CC players miss golden opportunities:

Recently in the Witold Bielecki Memorial/ Top players GM Voss (2657) missed a golden opportunity to play a hot novelty against World Champion Langeveld (2681) that has scored wins for black in two ICCF games thus far (one of them being my own).

Here's the Langeveld - Voss game:



Langeveld played 18.Bb3, which is a normal theory move, except there is now a move for black that puts Bb3 into serious question! This move is 18...f4! as discovered by SIM Sváček, Pavel (2525) in WCCC31CT06:



Although his opponent responded poorly to the move and was quickly losing for the rest of the game, I was nevertheless very intrigued by the idea of f4 basically refuting 18.Bb3. Sure enough, I had an opportunity to play it myself in the ongoing 19th USA CC. This time around, my opponent played very deeply calculated moves, and I had to virtually map out every reasonable defense for white over the course of several weeks. In the end, I was able to force a won endgame in spite of my opponent's mistake-free play:



Will 18...f4 continue to refute Bb3? Only time will tell...
  
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