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Normal Topic Refutation to the Bronstein Queen Sac? (Read 4140 times)
LeeRoth
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Re: Refutation to the Bronstein Queen Sac?
Reply #6 - 10/02/16 at 15:44:28
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AntonioAg wrote on 10/01/16 at 02:47:08:
The Bronstein Queen Sac is an interesting line but I couldnt find a single game on the 2014 ICCF database, which leads me to think the line is busted, at least for correspondence chess.
But, what is the refutation? I red that in the book "The Samisch Kings Indian Uncovered" by  Cherniaev and Prokuronov (pardon me if this book is bad, I am just starting out on Saemisch theory and dont know about good authors on it) the authors consider that in the Qf2 lines Black has not enough compensation yet things are not so clear for me, there is an obscure line with Bh6 which should be treated carefully by White in OTB chess.

So, where is the refutation to it? Any article, book or some material that covers this interesting line?


http://www.chesspub.com/cgi-bin/chess/YaBB.pl?num=1308735326

  
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AntonioAg
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Re: Refutation to the Bronstein Queen Sac?
Reply #5 - 10/01/16 at 16:17:09
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PD: Ignore my dogmatic comment on Bh6, after analyzing this lines I dont even know what is better, Bh6 seems to keep the pressure up while Ncx4 seems to be greedy and let White off the hook. Right now I am liking Bh6 more.
  
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AntonioAg
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Re: Refutation to the Bronstein Queen Sac?
Reply #4 - 10/01/16 at 16:16:08
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I decided to do some analysis, I firstly analyzed an inferior line with Qe2 that tries to hold on to the c4-pawn, Black gets good play in those lines but I couldnt find anything killer for him. I reached an endgame which I dont know how to asses.
Any improvements/thought on the analysis are appreciated, I feel like my analysis is flawed, at the end of the day Im just a patzer.



  
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MartinC
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Re: Refutation to the Bronstein Queen Sac?
Reply #3 - 10/01/16 at 10:27:14
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That sort of computer assessment of a truly unbalanced position is of course essentially worthless when it stays static over time. Its possible that it has put people off though.

Or maybe its just too hard to make it work against a computer with all the tricks they can conjure up.
  
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Re: Refutation to the Bronstein Queen Sac?
Reply #2 - 10/01/16 at 08:44:00
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AntonioAg wrote on 10/01/16 at 02:47:08:
So, where is the refutation to it? Any article, book or some material that covers this interesting line?


I'm not sure there's a direct refutation. If you play through the original Spassky-Bronstein with an engine in the background, you just get confirmation of the piece count assessment. Black has given up the Queen for two Bishops and two pawns, therefore is one point behind.

In the context of what people frequently play in practice, it's not a terribly important variation, in its original form following the 1956 game at least.
  
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AntonioAg
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Re: Refutation to the Bronstein Queen Sac?
Reply #1 - 10/01/16 at 05:04:48
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From the 2 games I found in which White didnt blunder horribly with 13.h4 Na6 and 14.b3? seems like the fault is on the Black, they both played a line that according to engines is busted, not to mention White was at least 200 points higher rated in both games.
  
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AntonioAg
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Refutation to the Bronstein Queen Sac?
10/01/16 at 02:47:08
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The Bronstein Queen Sac is an interesting line but I couldnt find a single game on the 2014 ICCF database, which leads me to think the line is busted, at least for correspondence chess.
But, what is the refutation? I red that in the book "The Samisch Kings Indian Uncovered" by  Cherniaev and Prokuronov (pardon me if this book is bad, I am just starting out on Saemisch theory and dont know about good authors on it) the authors consider that in the Qf2 lines Black has not enough compensation yet things are not so clear for me, there is an obscure line with Bh6 which should be treated carefully by White in OTB chess.

So, where is the refutation to it? Any article, book or some material that covers this interesting line?
  
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