ANTRENAMENTUL  TACTIC

Magnus Carlsen vs Wesley So : Sinquefield Cup (2015) : Sicilian Defense: Najdorf Variation

Hikaru Nakamura Immortal Game! - Mega-exciting sacrifices abound! - Sinquefield Cup 2015

7 Most Important Opening Principles

http://www.thechessworld.com/learn-chess/1-openings/593-7-most-important-opening-principles

10 Best Chess Games by Paul Morphy

http://www.thechessworld.com/learn-chess/18-general-information/570-10-best-chess-games-by-paul-morphy

11 Immortal Games of Chess

11 Immortal Games of Chess 

Top Dr John Nunn Chess Sacrifices - 1978-1982

How to exploit planless play: Dmitry Andreikin vs Hikaru Nakamura : FIDE Grand Prix Baku (2014)