Sicilian Defence. Chess opening, Chess, Giulio Cesare Polerio, Chess Informant, Grandmaster (chess), Gioachino Greco, Pawn (chess), Sicilian Defence, Scheveningen Variation, Sicilian Defence, Dragon Variation, Sicilian Defence, Accelerated Dragon, Vladimir Kramnik, Teimour Radjabov, Veselin Topalov, Boris Gelfand, Michael Adams, Alexander Khalifman