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test position: Bubir-Knobel, ICCF Olympiad 17 Final 2009
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Louis Zulli



Joined: 08 Jan 2007
Posts: 2147
Location: PA USA
PostPost subject: Re: test position: Bubir-Knobel, ICCF Olympiad 17 Final 2009    Posted: Wed Jul 25, 2012 10:28 am Reply to topic Reply with quote
jdart wrote:
[D] 1r3rk1/5p1p/p2pb1p1/3Np1P1/2pRPR2/qP2Q1N1/P1PK3P/8 w - - 0 26
   BR    ::    BR BK ::
::    ::    :: BP :: BP
BP ::    BP BB :: BP ::
::    :: WN BP    WP    
   :: BP WR WP WR    ::
BQ WP ::    WQ    WN    
WP :: WP WK    ::    WP
::    ::    ::    ::    


White played Nf5, which I think is actually best, but it is a very complex position.



Complex indeed! Critter-1.6 (8 threads, 4GB hash) took almost 1.5 hours just to complete depth 21:

Code:
21/63  84:10   52777M  10450K  +1.46 Nf5 Bxf5 Rh4 h5 Rxc4 Be6 Ra4 Qc5 Qxc5 dxc5 c4 Bxd5 exd5 f6 gxf6 Rxf6 Ra5 Rf2+ Ke3 Rb2 Rxa6 Kf7 Re4 Rxh2 Rxe5 h4 Kf3 Re8 Ra7+ Kf8 Rxe8+ Kxe8 Kg4 Kd8 a3
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Subject Author Date/Time
test position: Bubir-Knobel, ICCF Olympiad 17 Final 2009 Jon Dart Wed Jul 25, 2012 2:09 am
      Re: test position: Bubir-Knobel, ICCF Olympiad 17 Final 2009 Louis Zulli Wed Jul 25, 2012 10:28 am
            Re: test position: Bubir-Knobel, ICCF Olympiad 17 Final 2009 Robert Houdart Wed Jul 25, 2012 12:27 pm
                  Re: test position: Bubir-Knobel, ICCF Olympiad 17 Final 2009 Carl Bicknell Wed Jul 25, 2012 1:21 pm
                        Re: test position: Bubir-Knobel, ICCF Olympiad 17 Final 2009 Jon Dart Wed Jul 25, 2012 1:40 pm
                              Re: test position: Bubir-Knobel, ICCF Olympiad 17 Final 2009 Steffen Basting Wed Jul 25, 2012 2:29 pm
      Re: test position: Bubir-Knobel, ICCF Olympiad 17 Final 2009 Louis Zulli Wed Jul 25, 2012 3:48 pm
      Re: test position: Bubir-Knobel, ICCF Olympiad 17 Final 2009 Eelco de Groot Thu Jul 26, 2012 10:52 pm
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