[chessmind] Dennis Monokroussos: Wijk aan Zee Warmup, Solution to Puzzle 2

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Posted by Dennis Monokroussos:
Wijk aan Zee Warmup, Solution to Puzzle 2
http://chessmind.powerblogs.com/posts/1200549833.shtml


   In a [1]puzzle trifecta offered just before the Corus tournament in
   Wijk aan Zee, the second position was this knotty tangle:
   [dvoretsky_from_liberzon_belov.jpg]
   It's White to move and...well, we'll get to that. Before linking you
   to the solution, let me point to a move - really, an idea - suggested
   by one of the readers. His proposal was 1.Nxf6 gxf6 2.Rxh7+ Kxh7
   followed by bringing the queen over to give mate on the h-file. The
   idea is good, but the particular move isn't, as 1...Bxf6 solves the
   problem. Hmm. If only that pesky bishop wasn't there....
   [2]Here's the solution - in two parts.

References

   1. http://chessmind.powerblogs.com/posts/1200041438.shtml
   2. http://chessmind.powerblogs.com/files/dvoretsky_from_liberzon_belov.htm