[Retros] More Than Three, Less Than Five

Николай Белухов nbeluhov at abv.bg
Tue Mar 23 11:56:42 EDT 2010

Dear retro-friends,
Here is one very interesting article by
grandmaster Alexander Kislyak on the mystical properties of the number
four in connection with retroanalysis. Alongside some curious numerology
(or mathematics?) the article contains many beautiful problems of
rather varying difficulty, from very easy to very complex. It was
translated by Andrey Frolkin who kindly gave his permission for his text
to be published. The file also contains some biographical
notes on Mr. Kislyak and his involvement with retroanalysis.
Have a
nice read,
Best wishes,
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