1. c2c4 The humble Wesley So explained in detail the problem he faces when preparing against Caruana—you can spend a whole day expecting one opening and receive a totally different move at the beginning. He also added a compliment for his opponent, saying that Caruana can outplay anyone even if he plays an opening for the first time. 1... e7e5  2. d2d3  2... g8f6  3. g1f3  3... b8c6  4. a2a3 A favorite line of Bent Larsen, who liked the Najdorf so much that he decided to play it with White as well, and with an extra tempo. The great Dane went further, adopting this approach to more openings. Nowadays this line has also been successfully implemented by rising stars Arjun Erigaisi and Vincent Keymer. 4... g7g6 A flexible reply. 5. g2g3  5... f8g7  6. f1g2  6... d7d5  7. c4d5  7... f6d5 Now this is a reversed fianchetto line against the Dragon, a very stable line for the second player, despite White's extra tempo. 8. e1g1  8... e8g8  9. c1d2  9... a7a5 Stopping b2-b4 has its merits, but there are some drawbacks too. 10. b1c3 [#] 10... d5f6 A novelty, which feels somewhat artificial. 11. a1c1  11... f8e8  12. c3b5 Highlighting the drawback of the a7-a5 advance. White can now prepare d3-d4 comfortably. 12... h7h6  13. d2e3 