1. e2e4  1... e7e5  2. g1f3  2... b8c6  3. f1b5  3... a7a6  4. b5a4  4... g8f6  5. e1g1  5... f8e7  6. d2d3  6... b7b5  7. a4b3  7... d7d6  8. a2a4 Nepomniachtchi had played 8.c3 and 8.a3 before in the match. For the rapid games, he was armed with the main move, 8.a4. 8... c8d7  9. h2h3 A very rare option. 9... e8g8  10. c1e3  10... c6a5  11. b3a2  11... b5a4  12. e3d2  12... a5c6 Already a new move. 13. b1c3  13... a8b8  14. c3a4  14... c6d4  15. a2c4 Nepomniachtchi's opening experiment is a success: White has the more comfortable game. 15... c7c6  16. f3d4  16... e5d4  17. d2f4 [%c_effect f4;square;f4;type;GreatFind;persistent;true] 17... d7e6  18. f1e1  18... a6a5  19. d1f3 White has many promising continuations. 19... b8b7 