[Retros] June 6th Update of The Retro Corner

[Otto Janko]

June 6th update of the Retro Corner
-----------------------------------

New Retro Articles:

* Castling and En-passant capture in the Codex 2009 - This is 
  an update of Werner Keym's article from February 2010. Also 
  a version with change marks is provided.

Retro Tourney Announcements:

* PCCC 50th Anniversary Composing Festival

New Retro Problems:

* StrateGems, No. 48, Oct-Dec 2000 - Solutions
* StrateGems, No. 50, Apr-Jun 2010
* Die Schwalbe, No. 239, October 2009 - Solutions
* Die Schwalbe, No. 240, December 2009 - Corrections
* Die Schwalbe, No. 242, April 2010
* Probleemblad, Jul-Sep 2009 - Solutions
* Probleemblad, Jan-Mar 2010 

Best Regards,

- Otto Janko [mailto:otto at janko.at] [http://www.janko.at]
-- Those who desire to give up freedom in order to gain security, 
- will not have, nor do they deserve, either one. [Benjamin Franklin]