This is the opening for the second get better @ openings tournament, the most played out of all Black first moves. http://www.chess.com/tournament/get-better--openings-tournament-ii--sicilian-defense
It is the Sicilian Defense, which aims for Black to get Queenside counterplay.
Variations inclunde the Najdorf, Dragon, Schevenigen, Kan, Classical, Paulsen and Pelikan.
good, but i dont play sicilian :D
i suggest French Defense Tournament
be patient 4 the next tourney which will be as soon as this one starts