[%c_effect f3;square;f3;type;Mistake;persistent;true] After this mistake, Nakamura never gets back in the game.
1. e2e4  1... c7c5  2. g1f3  2... e7e6  3. d2d4  3... c5d4  4. f3d4  4... b8c6  5. b1c3  5... d7d6  6. g2g4 [%c_effect g4;square;g4;type;Interesting;persistent;true] The g2-g4 advance is good even when Black doesn't yet have the knight on f6. Nowadays this is quite common, but in the 80s, when the game that served as inspiration for the choice of this opening was played, the benefits of this pawn move were still being discovered. 6... h7h6  7. h2h4  7... a7a6  8. f1g2  8... f8e7  9. c1e3  9... c6d4  10. d1d4  10... e6e5  11. d4d1  11... c8e6 The initial position for this round. An interesting Sicilian battle with equal chances. 12. c3d5 The most natural move, improving the knight. 12... a8c8 The best reaction. 13. c2c3 This position was reached in both games, as well as in Karpov vs. Kasparov. 13... g8f6 Kasparov's choice as well. 14. d5e7  14... e8e7 [%c_effect e7;square;e7;type;Interesting;persistent;true] A very creative and interesting novelty. The idea is that after a possible g5 hxg5 hxg5, Black is ready to occupy the h-file. 15. g4g5  15... f6g4 The most accurate choice. 16. e3c1 [%c_effect c1;square;c1;type;GreatFind;persistent;true] The best square for the bishop, protecting the pawn on b2. 16... h6g5 