I've posted some past articles as pdf files and grouped them according to opening. Besides the test, there is often an overview of opening theory, and of course the strategy that follows.

If you'd like more of these articles - buy the books!

Articles to download

Pirc/Modern                                 

Fernandez-Ricardi           

 

Queen's Gambit Declined

Kapnisis-Skembris

 

Ruy Lopez (Spanish)

Polgar-Svidler

Unzicker-Keres

 

Philidor Counter Gambit

Bellin-Goater

 

Reti

Sunye Neto-Bruzon