studies the following: QUEEN'S GAMBIT. BENONI. ITALIAN. BERLIN DEFENSE. DRAGON SICILIAN. GRUNFIELD. RETI. SCOTCH GAME. REVERSED SICILIAN. NIMZO LARSEN. INDIAN GAME. KINGS FIANCHETTO. DUTCH DEFENSE. OWEN'S DEFENSE. ANDERSSEN'S OPENING. CARO-KANN. FRENCH. BONGCLOUD. EVAN'S GAMBIT. CLEMENZ. SUB BECAUSE IT'S FREE AND YOU CAN UNSUBCRIBE AT ANY TIME