[Retros] Chaos at the Sky

[Otto Janko]

Dear Retro Friends,

"Chaotic IAK" recently started to post retro problems
on his blog "Chaos at the Sky":

http://chaosatthesky.wordpress.com/tag/retrograde-analysis/

Best Regards,

-- Otto Janko [mailto:otto at janko.at] [http://www.janko.at]
-- They who can give up essential liberty to obtain a little temporary 
-- safety, deserve neither liberty nor safety. [Benjamin Franklin]