1. e2e4  1... e7e6  2. d2d4  2... d7d5  3. b1c3  3... f8b4  4. e4e5  4... c7c5  5. a2a3  5... b4c3  6. b2c3  6... g8e7  7. d1g4  7... d8c7  8. f1d3  8... c7a5 Rapport repeats the same variation from his game against Vachier-Lagrave, in which he achieved a good position from the opening. 9. c1d2  9... c5c4  10. d3e2  10... h8g8  11. a3a4  11... b8c6  12. g4h3 I suggested this move in my analysis of the above-mentioned game, but I thought Rapport's idea was to sacrifice the h-pawn. 12... h7h6 [%c_effect h6;square;h6;type;Inaccuracy;persistent;true] 13. e2h5 [%c_effect h5;square;h5;type;GreatFind;persistent;true] The bishop is placed on an active square, preventing Black from castling queenside and freeing the e2-square for the knight. If Black plays g7-g6, weaknesses on the dark squares are created. 13... c8d7  14. g1e2  14... g7g6 This move is ultimately a necessary evil, as it's the only way to castle. 15. h5g4 [%c_effect g4;square;g4;type;GreatFind;persistent;true] A curious move. Why didn't Carlsen immediately return the bishop to f3, as the vast majority of humanity would do $2 Playing such subtle moves is one of the many reasons why he is so special. 15... h6h5 White's previous move was designed to provoke this advance. 16. g4f3  16... e7f5 [%c_effect f5;square;f5;type;Inaccuracy;persistent;true] 17. g2g4 [%c_effect g4;square;g4;type;GreatFind;persistent;true] 17... h5g4  18. f3g4 