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 