1. b2b3 Carlsen played this move, usually associated with legendary Danish GM Bent Larsen, in his two White games on day one. A welcome breath of fresh air for those who enjoy more creative openings. 1... e7e5  2. c1b2  2... b8c6  3. e2e3  3... g8f6 Abdusattorov chooses one of the variations with the best reputation for Black. 4. g1f3  4... f8d6 This is a perfectly normal move, but it's not the most popular one. 5. c2c4  5... e8g8  6. d2d3  6... f8e8  7. a2a3  7... a7a5  8. f1e2 