[Retros] February 21st Update of the Retro Corner

[Otto Janko]

Dear Retro Friend,
 
I have just updated the Retro Corner:
 
a) Articles and Glossary items:

• Codex for Chess Composition 2008 Update (discussion by W. Keym deleted on
request of the author) 
• Codex for Chess Composition 2009 Update (by W. Keym) 
• Castling and En-passant capture in the Codex 2009 (by W. Keym) – An
English translation of his article in Die Schwalbe, February 2010, issue
241: “Partielle Retroanalyse und Retro-Strategie im Kodex 2009" 
• Partial Retro Analysis (PRA) (disclaimer added) 
• Retro Variants (RV) (disclaimer added) 
• Castling (disclaimer added) 
• Mutually Exclusive Castlings (disclaimer added) 

Many thanks to Werner Keym for providing all these updates!

b) New Retro problems:

• Phénix, No. 172, Apr. 2008 
• Phénix, No. 175, Jul.-Aug. 2008 
• Phénix, No. 179, Dec. 2008 
• Phénix, No. 168, Apr. 2009 
• The Problemist, March 2009 
• The Problemist, May 2009 
• The Problemist, July 2009 
• The Problemist, September 2009 

Many thanks to Thierry le Gleuher for the Phénix problems and to Joost de
Heer for The Problemist problems.

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]