[%c_effect a4;square;a4;type;GreatFind;persistent;true] And back to a better square $1
1. e2e4  1... e7e5  2. g1f3  2... b8c6  3. f1c4  3... g8f6  4. f3g5  4... d7d5  5. e4d5  5... c6a5  6. c4b5  6... c7c6  7. d5c6  7... b7c6  8. b5d3 \"It's just sometimes fun to pull these old variations out\" (Nakamura) Whatever works should not be fixed. A few years back, Nakamura picked up this line to win the most important final game at the USA championship. 8... f6d5  9. g5f3  9... f8d6  10. e1g1  10... d5f4 \"This did not completely surprise me\" (Nakamura). 11. b1c3  11... f4d3  12. c2d3  12... e8g8  13. b2b3  13... f8e8  14. f1e1  14... c6c5  15. c1a3  15... a5c6  16. c3e4  16... d6f8  17. a1c1 [#] 17... f7f5 Caruana might have messep up something when memorizing his line. 18. e4c5  18... d8d5  19. d1c2 Simple and effective. White is simply up two pawns. There is not enough compensation. 19... e8d8  20. c2c4  20... d5c4  21. c1c4 White's pawn remain ugly, but are extra. 21... d8d5  22. e1c1  22... f8d6  23. a3b2  23... c6e7  24. c4c2  24... a8b8  25. d3d4 Bringing the pawns into motion soon repairs them. 25... e5d4  26. f3d4  26... a7a5  27. d4f3  27... h7h6 Now comes a beatiful a'la Capablanca maneuver. 28. c5a4 [%c_effect a4;square;a4;type;Brilliant;persistent;true] 28... c8a6  29. a4c3  29... d5c5  30. b2a3 The point. With the disappearence of the bishop pair Black does not even have a hint of a compensation. 30... c5c6  31. a3d6  31... c6d6 