[Event "123rd US Open Championship"] [Site "Devos Place Convention Center"] [Date "2023-07-29"] [Round "1"] [White "Smith, R. Daniel"] [Black "Bemben, Robert"] [Result "0-1"] [WhiteElo "872"] [BlackElo "1833"] [TimeControl "40/100;SD/30;inc30"] [Termination "normal"] [Board "355"] [Annotator "Lichess"] [Variant "Standard"] [ECO "B13"] [Opening "Caro-Kann Defense: Exchange Variation"] [Source "https://lichess.org/study/o3KzDSHb/vyTi44DQ"] [Orientation "white"] 1. e4 { [%eval 0.36] } 1... c6 { [%eval 0.37] } 2. d4 { [%eval 0.41] } 2... d5 { [%eval 0.28] } 3. exd5 { [%eval 0.35] } 3... cxd5 { [%eval 0.33] } 4. Nf3 { [%eval 0.0] } 4... Nc6 { [%eval 0.22] } 5. Bb5 { [%eval 0.06] } 5... Bf5 { [%eval 0.48] } 6. O-O { [%eval 0.06] } 6... Nf6 { [%eval 0.55] } 7. c3?! { [%eval -0.01] } { Inaccuracy. c4 was best. } (7. c4 dxc4 8. Nc3 e6 9. Qa4 Be7 10. Bxc6+ bxc6 11. Qxc6+ Nd7) 7... e6 { [%eval 0.19] } 8. Ne5 { [%eval 0.06] } 8... Rc8 { [%eval 0.06] } 9. Bg5 { [%eval -0.03] } 9... Bd6 { [%eval -0.13] } 10. Re1 { [%eval -0.28] } 10... O-O { [%eval 0.05] } 11. Bxf6?! { [%eval -0.76] } { Inaccuracy. Bd3 was best. } (11. Bd3) 11... gxf6 { [%eval -0.83] } 12. Nf3 { [%eval -1.01] } 12... Qc7?! { [%eval -0.43] } { Inaccuracy. Qb6 was best. } (12... Qb6 13. Qe2) 13. g3 { [%eval -0.87] } 13... a6?! { [%eval -0.3] } { Inaccuracy. Qb6 was best. } (13... Qb6 14. Qe2 Bg4 15. a4 a6 16. Bxc6 Rxc6 17. a5 Qb5 18. Kg2 Qxe2 19. Rxe2 b5 20. axb6) 14. Bd3 { [%eval -0.42] } 14... Bg6 { [%eval -0.45] } 15. Nh4 { [%eval -0.86] } 15... Rfe8 { [%eval -0.35] } 16. Qf3?! { [%eval -0.95] } { Inaccuracy. Bf1 was best. } (16. Bf1) 16... f5?! { [%eval -0.31] } { Inaccuracy. e5 was best. } (16... e5 17. Bf5 exd4 18. Rd1 Ne5 19. Qg2 d3 20. Nd2 Rcd8 21. Nb3 Bc5 22. Nxg6 hxg6 23. Bxd3) 17. Nd2 { [%eval -0.17] } 17... b5 { [%eval 0.17] } 18. b4 { [%eval 0.27] } 18... Nb8 { [%eval 0.2] } 19. Ng2?? { [%eval -2.02] } { Blunder. Rec1 was best. } (19. Rec1) 19... Qxc3 { [%eval -2.13] } 20. Nb3 { [%eval -2.14] } 20... Qxb4?! { [%eval -1.49] } { Inaccuracy. Nc6 was best. } (20... Nc6 21. Red1 Nxb4 22. h4 h5 23. Nf4 Qc7 24. Nxh5 Bxh5 25. Qxh5 Qe7 26. a4 Nxd3 27. Rxd3) 21. Nc5?? { [%eval -4.31] } { Blunder. h4 was best. } (21. h4 Nc6 22. h5 Nxd4 23. Nxd4 Qxd4 24. hxg6 hxg6 25. Rad1 Rc3 26. Nf4 Bxf4 27. gxf4 Kg7) 21... Bxc5?! { [%eval -3.0] } { Inaccuracy. Qxd4 was best. } (21... Qxd4 22. Nb3 Qb4 23. Qe3 Nd7 24. h4 Nf6 25. Rac1 Bf8 26. Nf4 Qd6 27. Nd4 Ng4 28. Qd2) 22. dxc5 { [%eval -3.06] } 22... Qxc5 { [%eval -2.38] } 23. Ne3? { [%eval -4.32] } { Mistake. h4 was best. } (23. h4) 23... Qd4 { [%eval -3.46] } 24. Nc2?! { [%eval -4.56] } { Inaccuracy. Rad1 was best. } (24. Rad1 Qf6 25. a4 Nd7 26. Qe2 Ne5 27. axb5 f4 28. Bxg6 hxg6 29. Ng2 fxg3 30. f4 gxh2+) 24... Qf6 { [%eval -3.81] } 25. Nb4 { [%eval -4.53] } 25... Red8 { [%eval -4.41] } 26. Rac1 { [%eval -4.77] } 26... a5 { [%eval -4.83] } 27. Nc2 { [%eval -4.82] } 27... Rc3 { [%eval -4.95] } 28. Qf4 { [%eval -5.87] } 28... Rxd3 { [%eval -5.87] } 29. Qc7 { [%eval -6.46] } 29... Rc3 { [%eval -6.6] } 30. Qxa5 { [%eval -6.51] } 30... f4 { [%eval -5.73] } 31. Nb4 { [%eval -5.83] } 31... Rdc8 { [%eval -6.29] } 32. Rcd1 { [%eval -6.42] } 32... Be4 { [%eval -7.6] } 33. Qxb5 { [%eval -10.61] } 33... Bf3?! { [%eval -6.38] } { Inaccuracy. fxg3 was best. } (33... fxg3 34. hxg3 Qf3 35. Rxe4 Qxd1+ 36. Qf1 Qxf1+ 37. Kxf1 dxe4 38. Kg2 Nd7 39. g4 R8c4 40. a3) 34. Rd3 { [%eval -8.25] } 34... Be4 { [%eval -6.66] } 35. Rd2?? { [%eval #-15] } { Checkmate is now unavoidable. Rxc3 was best. } (35. Rxc3 Qxc3 36. Rxe4 dxe4 37. gxf4 Qc1+ 38. Qf1 Qxf4 39. Qg2+ Kh8 40. Qg3 Qf6 41. h4 Qd4) 35... Rc1? { [%eval -7.88] } { Lost forced checkmate sequence. fxg3 was best. } (35... fxg3 36. Rxe4 gxh2+ 37. Kxh2 Qh6+ 38. Kg1 Rc1+ 39. Qf1 Qg5+ 40. Kh2 Rxf1 41. Nxd5 Qg1+ 42. Kh3) 36. Rf1? { [%eval #-14] } { Checkmate is now unavoidable. Re2 was best. } (36. Re2 Qc3 37. Rxe4 dxe4 38. Rxc1 Qxc1+ 39. Kg2 f3+ 40. Kh3 Qh6+ 41. Kg4 f5+ 42. Qxf5 exf5+) 36... fxg3 { [%eval -19.04] } 37. fxg3 { [%eval -10.57] } 37... Qf3 { [%eval #-14] } 0-1