[Event "123rd US Open Championship"] [Site "DeVos Place Convention Center"] [Date "2023-08-01"] [Round "4"] [White "Brown, Clark"] [Black "Smith, R. Daniel"] [Result "1-0"] [WhiteElo "1500"] [BlackElo "872"] [TimeControl "40/100;SD30;inc30"] [Termination "normal"] [Board "68"] [Annotator "Lichess"] [Variant "Standard"] [ECO "D10"] [Opening "Slav Defense"] [Source "https://lichess.org/study/o3KzDSHb/flS6QDB9"] [Orientation "black"] 1. d4 { [%eval 0.0] } 1... d5 { [%eval 0.27] } 2. c4 { [%eval 0.29] } 2... c6 { [%eval 0.3] } 3. e3 { [%eval 0.12] } 3... Bf5 { [%eval 0.24] } 4. Qb3 { [%eval 0.16] } 4... Qc7 { [%eval 0.25] } 5. Nc3 { [%eval 0.02] } 5... e6 { [%eval -0.03] } 6. Nf3 { [%eval -0.1] } 6... Bd6?! { [%eval 0.8] } { Inaccuracy. Be7 was best. } (6... Be7 7. Bd2 Nd7 8. Rc1 Qb6 9. Be2 h6 10. O-O Ngf6 11. h3) 7. h3?! { [%eval -0.2] } { Inaccuracy. Nh4 was best. } (7. Nh4 Bg6 8. Nxg6 hxg6 9. cxd5 exd5 10. e4 dxe4 11. Nxe4 Qe7) 7... h6 { [%eval -0.1] } 8. Bd2 { [%eval -0.16] } 8... Nf6 { [%eval -0.06] } 9. Rc1 { [%eval -0.12] } 9... a6 { [%eval -0.08] } 10. cxd5 { [%eval -0.14] } 10... exd5 { [%eval -0.25] } 11. Be2 { [%eval -0.43] } 11... O-O { [%eval -0.21] } 12. O-O { [%eval -0.47] } 12... Nbd7 { [%eval -0.41] } 13. Rfd1 { [%eval -0.39] } 13... Rab8 { [%eval -0.5] } 14. Na4 { [%eval -0.6] } 14... b5?! { [%eval 0.24] } { Inaccuracy. a5 was best. } (14... a5) 15. Nc5 { [%eval 0.2] } 15... Qb6?! { [%eval 0.89] } { Inaccuracy. Nxc5 was best. } (15... Nxc5 16. dxc5) 16. Bb4 { [%eval 0.61] } 16... a5?? { [%eval 6.01] } { Blunder. Bxc5 was best. } (16... Bxc5) 17. Nxd7 { [%eval 6.03] } 17... Bxd7 { [%eval 6.08] } 18. Bxd6 { [%eval 6.1] } 18... a4 { [%eval 5.99] } 19. Qb4 { [%eval 6.01] } 19... Ne4 { [%eval 6.18] } 20. Bxf8 { [%eval 6.27] } 20... Rxf8 { [%eval 6.18] } 21. Ne5 { [%eval 6.25] } 21... Be8 { [%eval 6.22] } 22. Nd3 { [%eval 6.08] } 22... f6 { [%eval 6.07] } 23. Bg4 { [%eval 5.91] } 23... Bf7 { [%eval 6.24] } 24. Bd7 { [%eval 6.19] } 24... Be8 { [%eval 6.65] } 25. Bxe8 { [%eval 5.95] } 25... Rxe8 { [%eval 5.92] } 26. Rc2 { [%eval 6.32] } 26... Rc8 { [%eval 6.21] } 27. Rdc1 { [%eval 6.15] } 27... Kh7 { [%eval 6.32] } 28. Nf4 { [%eval 6.21] } 28... Qd8 { [%eval 6.75] } 29. Rxc6 { [%eval 6.88] } 29... Rxc6 { [%eval 7.34] } 30. Rxc6 { [%eval 7.47] } 30... Qd7 { [%eval 7.09] } 31. Qxb5 { [%eval 8.11] } 31... Qf5 { [%eval 8.84] } 32. Qxd5 { [%eval 8.7] } 32... Qxd5 { [%eval 8.97] } 33. Nxd5 { [%eval 8.88] } 33... g5 { [%eval 20.07] } 34. Nxf6+ { [%eval 35.33] } 34... Nxf6 { [%eval 21.64] } 35. Rxf6 { [%eval 42.16] } 1-0