Improving your middlegame

For a chess player who want to improve his middlegame, of course, the most important are games that contain many interesting middlegame positions, so, most of the material you have to study are high quality ANNOTATED GAMES by grandmasters or supergrandmasters. The games that will be studied are selected according to several criteria: The first and most important criteria is the quality of games so study a large number of games played by the greatest players (Kasparov, Karpov, Anand, Kramnik, Carlsen, Topalov and others) from around the world.