[Event "US Championship"]
[Site "Saint Louis, MO USA"]
[Date "2023.10.06"]
[EventDate "2023.10.05"]
[Round "2.4"]
[Result "1/2-1/2"]
[White "Sam Shankland"]
[Black "Ray Robson"]
[ECO "A20"]
[WhiteElo "2698"]
[BlackElo "2699"]
[PlyCount "90"]

1. c4 e5 2. g3 c6 3. Nf3 e4 4. Nd4 d5 5. cxd5 Qb6 6. Qa4 Bd7 7. dxc6 Nxc6 8.
Nxc6 Bxc6 9. Qb3 h5 10. Nc3 Nf6 11. Bg2 Bc5 12. Qxb6 axb6 13. O-O O-O 14. d3
exd3 15. exd3 Rfd8 16. Bg5 Bd4 17. Rfd1 Bxc3 18. bxc3 Ra3 19. Rab1 Bxg2 20. Bxf6
gxf6 21. Kxg2 Rd6 22. Rb5 h4 23. Rdb1 Rxd3 24. Rxb6 hxg3 25. hxg3 Rdxc3 26. R1b3
Raxb3 27. axb3 Kg7 28. Rxb7 Kg6 29. b4 Rb3 30. b5 f5 31. b6 f4 32. g4 Kg5 33. f3
Kh4 34. Rxf7 Rb2+ 35. Kf1 Kg3 36. b7 Kxf3 37. Ke1 Kxg4 38. Rg7+ Kf3 39. Rf7 Rb1+
40. Kd2 Kg3 41. Ke2 Rb2+ 42. Kf1 Rb1+ 43. Ke2 Rb2+ 44. Kf1 Rb1+ 45. Ke2 Rb2+ 1/2-1/2