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Normal Topic Aagaard on Kantorovich / Steckner (Read 8037 times)
Vandros
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Re: Aagaard on Kantorovich / Steckner
Reply #9 - 03/27/14 at 16:19:18
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Yeah, but it's amazing that Re2 draws since there are only two files away from the king.
  
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Ametanoitos
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Re: Aagaard on Kantorovich / Steckner
Reply #8 - 03/26/14 at 18:46:34
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Actually, playing ...Re2 rathen that ...Rd2 is an obvious move for this kind of endgames. You want the maximum number of files away from the king in order to give checks.
  
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Vandros
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Re: Aagaard on Kantorovich / Steckner
Reply #7 - 03/26/14 at 17:59:41
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Could you explain with words (ideas) what is the main reason that 9...Re2 draws while 9...Rd2 loses?
  
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proustiskeen
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Re: Aagaard on Kantorovich / Steckner
Reply #6 - 03/26/14 at 17:05:53
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Here is Poghosyan's analysis in pgn.
  

aagaard_steckner.pgn ( 10 KB | Downloads )
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proustiskeen
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Re: Aagaard on Kantorovich / Steckner
Reply #5 - 03/26/14 at 15:11:03
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If you want to e-mail me the files I can convert.  I'm sending a message with my address now.
  
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Poghosyan V
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Re: Aagaard on Kantorovich / Steckner
Reply #4 - 03/26/14 at 15:08:03
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Thanks proustiskeen! I would be very grateful. I have only a cbh-file.
  
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proustiskeen
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Re: Aagaard on Kantorovich / Steckner
Reply #3 - 03/26/14 at 14:56:15
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Brilliant stuff, Poghosyan.  I am very excited to have a look at this today.  I will put up a pgn with your analysis when I'm through.  (Unless you have a pgn handy?)
  
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Poghosyan V
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Re: Aagaard on Kantorovich / Steckner
Reply #2 - 03/26/14 at 14:08:45
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Thank you proustiskeen for drawing attention to the new plan suggested by GM Aaagard at his webpage. My analysis confirms that Aagard`s plan indeed draws (along with my move 2…g4) but  the draw is not that easy as apparently presumed by Aaagard. In my main line Black manages to escape in a study-like manner.

1.Kd4 g5! 2.Kd5 Kg6= 3.Kc5 f6! 4.f3 gxh4 [or 4...Kf5 5.Ra8 gxh4 6.gxh4!=] 5.gxh4 Kf5! 6.Ra8 Kf4! 7.Kb6 Kxf3 [or 7...Rb2+ 8.Ka7 Kxf3!=] 8.Rb8 Rb2+! 9.Ka7 Re2! 10.Rb5 Kg4 [or 10...f5=] 11.Rb4+ Kg3! 12.Kb6 Re6+ [or 12...f5=] 13.Ka5 Re7! 14.Rb7 Re8 [or 14...Re3 15.a7 Ra3+ 16.Kb4 Ra1 17.Rc7 Kf4 18.Kb5 Kg3 19.Rc3+ Kg2=] 15.a7 Ra8=.

I use here “!” symbol according to Nunn convention, i. e. as the only move which maintains the current evaluation of the position.
For details see the attached file.

P.S. I have changed my user name since I have lost my previous password.

  

Aagard_s_plan1.txt ( 9 KB | Downloads )
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proustiskeen
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Re: Aagaard on Kantorovich / Steckner
Reply #1 - 03/24/14 at 20:21:39
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Here's Aagaard's attempt at improvement:

  
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proustiskeen
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Aagaard on Kantorovich / Steckner
03/24/14 at 13:18:34
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There's a new blog post up at Quality Chess on the famous - due to the work done in this forum! - Kantorovich / Steckner endgame (DEM 9-144).  Aagaard thinks he has a new way to draw.  I'll put up a pgn later, but someone else might want to have a whack at it.

http://www.qualitychess.co.uk/blog/?p=2673
  
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