1. e2e4  1... e7e5  2. f1c4  2... g8f6  3. d2d3  3... b8c6  4. b1c3 Quite a rare line in Esipenko's practice. 4... c6a5  5. d1f3 \"A specialty of the Australian grandmaster Ian Rogers.\" (Emms) 5... a5c4 That's too good of a bishop to be neglected $1 6. d3c4  6... d7d6  7. g1e2 Both sides make all the mandatory moves to finish the development. 7... c8e6  8. b2b3  8... f8e7  9. e1g1  9... e8g8  10. a2a4  10... f6d7 Nakamura would be happy to open up the position with either d6-d5 or (more likely) the f7-f5 break, and those require preparation. 11. a4a5 This is a novelty. White is threatening to push this pawn even further; however, he risks ending up with a queenside weakness. 11... a7a6 Fixing the pawn. 12. e2g3 White needs to take measures against the f7-f5 move. 12... e7g5  13. g3f5  13... g5c1  14. a1c1  14... g7g6  15. f5e3  15... c7c6 Not just to cover the d5-square, but also to shield the b7-pawn. 16. c1a1  16... d8e7  17. f3d1 Preparing for the inevitable. 17... a8d8 Played without much hesitation. Nakamura obviously decided to postpone the f7-f5 advance. 18. d1d2  18... d7f6 Nf6-h5-f4 is on the agenda. Therefore 19. f2f4  19... e5f4  20. f1f4  20... f6h5  21. f4f3  21... e7g5  22. a1f1 A very creative idea by the young Russian $1 He is ready to sacrifice a pawn in order to let his knights get closer to the enemy king. 22... g5a5 And Nakamura accepts the challenge $1 23. g2g4 The final preparation. 23... h5g7  24. e3f5 And the knights go wild $1 24... a5e5 The best defense. The queen is needed close to the kingside. 25. f5h6  25... g8h8  26. c3d5 The second knight jumps through a defended square, ready to fly close to the black king. 26... g6g5 And Nakamura decided not to take it. Yet. But this is risky. 27. d2f2 Now it works for Black. 27... f7f5 Vintage Nakamura $1 He is complicating the position to the maximum in the approaching time trouble. 28. g4f5 