There is a 50% discount on ALL openings, middlegame & endgame examples (most are from Grandmaster games) for the next 3 days! Analysis/game fragments are sent by pgn or cbv formats.
E-mail me at yelena@yelenadembo.com if you have any questions or simply purchase via PayPal (my PayPal e-mail is yelena@yelenadembo.com). Please, indicate your e-mail address so I know whom to send it to.