1. e2e4  1... e7e5  2. g1f3  2... b8c6  3. f1b5  3... a7a6  4. b5a4  4... g8f6  5. d2d3 Probably Ruy Lopez variations are Carlsen's biggest specialties in openings, having played them with both colors in the most important tournaments, including world championships. 5... b7b5  6. a4b3  6... f8e7 