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  7. a2a4  7... b5b4 7...Bb7 and 7...Rb8 are also possible. 8. e1g1  8... e8g8  9. b1d2  9... d7d6  10. c2c3 Carlsen had tried this line before in two games, one rapid and one blitz. 10... a8b8  11. f1e1  11... c6a5  12. b3a2  12... c7c5  13. d3d4  13... b4c3 Here Abdusattorov changes what had already been tried before against Carlsen. 14. b2c3  14... c5d4  15. c3d4  15... a5c6  16. d4d5 This natural move is a novelty. 16... c6b4  17. a2c4 