[Event "American Cup"] [Site "Saint Louis, MO USA"] [Date "2023.03.26"] [Round "5.4"] [White "Hikaru Nakamura"] [Black "Wesley So"] [Result "1-0"] [WhiteElo "2768"] [BlackElo "2761"] [Variant "Standard"] [TimeControl "-"] [ECO "A06"] [Opening "Zukertort Opening"] [Termination "Unknown"] [Annotator "lichess.org"] 1. Nf3 d5 { A06 Zukertort Opening } 2. e3 Nf6 3. c4 e6 4. b3 Be7 5. Bb2 O-O 6. Nc3 c5 7. cxd5 exd5?! { (0.08 → 0.70) Inaccuracy. Nxd5 was best. } (7... Nxd5 8. Be2 Nc6 9. O-O b6 10. d4 Nxc3 11. Bxc3 Bb7 12. dxc5) 8. Rc1?! { (0.70 → 0.09) Inaccuracy. d4 was best. } (8. d4 Nc6 9. Be2 cxd4 10. Nxd4 Bc5 11. Nxc6 bxc6 12. O-O Bd6) 8... d4 9. Na4 dxe3 10. fxe3 b6 11. Be2 Nd5 12. O-O Nc6 13. Qe1 Bb7 14. Qg3 Bf6 15. Bxf6 Nxf6 16. Nc3 Nb4?! { (-0.15 → 0.58) Inaccuracy. Qb8 was best. } (16... Qb8 17. Qxb8 Raxb8 18. d4 cxd4 19. Nxd4 Nxd4 20. exd4 Rfd8 21. Rcd1 Rbc8 22. Bc4 Ba6 23. Bxa6) 17. Ne5 Qxd2?? { (0.13 → 4.30) Blunder. Nbd5 was best. } (17... Nbd5 18. Bc4) 18. Rfd1 Qb2 19. Nc4 { White wins. } 1-0