1. e2e4  1... c7c5  2. g1f3  2... d7d6  3. f1b5  3... b8d7  4. e1g1  4... a7a6  5. b5e2 [%c_effect e2;square;e2;type;Interesting;persistent;true] A currently fashionable move. 5... g8f6  6. d2d3 Black has to make a common decision for Sicilian players: where to develop the f8-bishop. 6... g7g6 The most popular choice but Carlsen played 6...e6. 7. a2a4  7... b7b6 A good move, preparing development and preventing a4-a5. 8. f3d2 [%c_effect d2;square;d2;type;Interesting;persistent;true] The same plan Nepomniachtchi tried against Carlsen. 8... f8g7  9. f2f4  9... c8b7 