1. c2c4  1... c7c5  2. g1f3  2... g8f6  3. b1c3  3... b8c6  4. g2g3  4... d7d5  5. c4d5  5... f6d5  6. f1g2  6... g7g6  7. c3e4 [%c_effect e4;square;e4;type;Interesting;persistent;true] An interesting idea, played in a few games, but almost all at the highest level. Dominguez already knew it from a blitz game played in 2016. 7... c5c4  8. d1c2  8... b7b5  9. b2b3 White tries to break up the pawn structure, but Black has resources of his own. 9... f8g7  10. c1b2  10... d5b4  11. c2c1  11... g7b2  12. c1b2  12... e8g8  13. e1g1 A new move. White quickly went downhill in the only game played before, which went 13... a8b8  14. a2a3  14... c8f5 [%c_effect f5;square;f5;type;GreatFind;persistent;true] 15. f3h4  15... f5e4  16. g2e4  16... b4d5  17. b3c4 This exchange helps Black, as the rook on b8 becomes active. It is more prudent to start with 17... b5c4  18. b2c2  18... c6a5 Nepomniachtchi's opening experiment was clearly unsuccessful. 19. a1b1  19... d5f6 