1. e2e4  1... c7c5  2. g1f3  2... a7a6 The O'Kelly variation of the Sicilian Defense. I don't remember Carlsen playing it with Black. Once again he shows that he can play absolutely any opening. 3. f1e2 A timid move. 3.c3 and 3.c4 are the natural attempts to seek an advantage.