1. e2e4  1... e7e6 The starting position reveals a relative queenside weakness. Especially vulnerable is the a7-pawn and an important detail is that neither of the sides can defend it even after it castles long. 2. f2f4  2... d7d5  3. h1g3  3... a8b6  4. a1b3  4... d5e4 Nakamura wants to win a tempo to develop his light-squared bishop, while fighting for the center. The only drawback of the move is that it pushes the white knight where it wants to be. 5. g3e4  5... f7f5  6. e4c3  6... g7g5 The continuation of the strategy. 7. f4g5  7... e8h5  8. f1e2 Automatic reply by Fedoseev. 8... h5e2  9. c3e2  9... g8g5  10. e1g3  10... h8g6 Not just developing, but looking for a quick closure of the diagonal. 11. e2d4 Back to the enemy queenside (and king $1) This is already a double attack. 11... d8e8  12. d4b5 White wins a pawn and there should not be enough compensation. 12... f5f4  13. b5a7  13... c8d8  14. g3f2  14... b6d7 Cutting the knight's way back. 15. d1e1 But Fedoseev does not intend to move backwards with the knight. He rather prefers to use it in the attack instead. 15... b8a8  16. e1e4  16... c7c5  17. e4a4 The most obvious, and a good continuation. 17... d7b6  18. a4a5  18... b6c4 It seems as Nakamura caught his opponent into a three-fold repetition machine. 19. a5b5 Nope, Fedoseev continues the fight. 19... a8a7  20. f2c5  20... d8c8 White might have missed or underestimated this move. The white bishop is pinned now, and there is no discovered attack. 21. b5b4  21... c4d2 Another powerful blow. 22. c1d2  22... f4f3  23. g1e3  23... e8d8  24. b4d4 The tables have turned and Nakamura got a chance to fix large advantage. 24... g5e3 Alas, he missed it. 25. d2e3  25... f8c5  26. b3c5  26... d8d4  27. e3d4  27... f3g2  28. d4e3 An accurate move. Once the g2-pawn falls there will be too little material left to fight with. 28... a7a2  29. e3f2  29... g6f4  30. c5d3 Another accurate move. 30... f4d3  31. c2d3  31... a2a5 