
[Event "32nd Chicago Open 2023"]
[Site "Chicago USA"]
[Date "2023.05.27"]
[Round "4"]
[White "Lin, D"]
[Black "Posthuma, Joshua"]
[Result "1/2-1/2"]
[WhiteElo "2299"]
[BlackElo "2457"]
[ECO "A36"]
[PlyCount "138"]
1.c4 c5 2.g3 g6 3.Bg2 Bg7 4.Nc3 Nc6 5.a3 d6 6.Rb1 a5 7.Nf3 e5 8.O-O Nge7 9.Ne1 Be6 10.d3 O-O 11.Bg5 f6 12.Be3 Rb8 13.Nc2 Nd4 14.Bd2 d5 15.cxd5 Nxd5 16.Nxd5 Bxd5 17.Bxa5 b6 18.Bxd5+ Qxd5 19.Bc3 f5 20.Ne3 Qe6 21.b4 f4 22.Bxd4 exd4 23.Ng2 fxg3 24.hxg3 Rbe8 25.bxc5 bxc5 26.Rb5 Qa2 27.Re1 Qxa3 28.Qc2 Rf5 29.Nh4 Rh5 30.Reb1 Qa8 31.Rb7 Rhe5 32.Qc4+ Kh8 33.Qf7 Rg8 34.Ra7 Qe8 35.Qxe8 Rexe8 36.Kf1 Ra8 37.Rc7 Rgc8 38.Rbb7 Rxc7 39.Rxc7 Bf8 40.Nf3 Ra1+ 41.Kg2 Ra2 42.Ng5 Rxe2 43.Kf3 Re7 44.Rxc5 h6 45.Rc8 Kg7 46.Ne4 Rf7+ 47.Ke2 Rd7 48.g4 Bd6 49.Rc6 Bb8 50.Nc5 Re7+ 51.Kf3 Rf7+ 52.Kg2 Be5 53.Ne6+ Kh7 54.Rc5 Bf6 55.Rd5 Ra7 56.g5 hxg5 57.Nxd4 Bxd4 58.Rxd4 Kg7 59.Re4 Ra3 60.Re3 Kf6 61.Kf3 Kf5 62.d4 g4+ 63.Kg3 Ra5 64.Rd3 Rd5 65.Rd1 Ke4 66.Kxg4 Rxd4 67.Re1+ Kd5+ 68.f4 Re4 69.Rxe4 Kxe4 1/2-1/2
[Site "Chicago USA"]
[Date "2023.05.27"]
[Round "4"]
[White "Lin, D"]
[Black "Posthuma, Joshua"]
[Result "1/2-1/2"]
[WhiteElo "2299"]
[BlackElo "2457"]
[ECO "A36"]
[PlyCount "138"]
1.c4 c5 2.g3 g6 3.Bg2 Bg7 4.Nc3 Nc6 5.a3 d6 6.Rb1 a5 7.Nf3 e5 8.O-O Nge7 9.Ne1 Be6 10.d3 O-O 11.Bg5 f6 12.Be3 Rb8 13.Nc2 Nd4 14.Bd2 d5 15.cxd5 Nxd5 16.Nxd5 Bxd5 17.Bxa5 b6 18.Bxd5+ Qxd5 19.Bc3 f5 20.Ne3 Qe6 21.b4 f4 22.Bxd4 exd4 23.Ng2 fxg3 24.hxg3 Rbe8 25.bxc5 bxc5 26.Rb5 Qa2 27.Re1 Qxa3 28.Qc2 Rf5 29.Nh4 Rh5 30.Reb1 Qa8 31.Rb7 Rhe5 32.Qc4+ Kh8 33.Qf7 Rg8 34.Ra7 Qe8 35.Qxe8 Rexe8 36.Kf1 Ra8 37.Rc7 Rgc8 38.Rbb7 Rxc7 39.Rxc7 Bf8 40.Nf3 Ra1+ 41.Kg2 Ra2 42.Ng5 Rxe2 43.Kf3 Re7 44.Rxc5 h6 45.Rc8 Kg7 46.Ne4 Rf7+ 47.Ke2 Rd7 48.g4 Bd6 49.Rc6 Bb8 50.Nc5 Re7+ 51.Kf3 Rf7+ 52.Kg2 Be5 53.Ne6+ Kh7 54.Rc5 Bf6 55.Rd5 Ra7 56.g5 hxg5 57.Nxd4 Bxd4 58.Rxd4 Kg7 59.Re4 Ra3 60.Re3 Kf6 61.Kf3 Kf5 62.d4 g4+ 63.Kg3 Ra5 64.Rd3 Rd5 65.Rd1 Ke4 66.Kxg4 Rxd4 67.Re1+ Kd5+ 68.f4 Re4 69.Rxe4 Kxe4 1/2-1/2
[Event "32nd Chicago Open 2023"]
[Site "Chicago USA"]
[Date "2023.05.27"]
[Round "4"]
[White "Lin, D"]
[Black "Posthuma, Joshua"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[BlackTitle "IM"]
[WhiteElo "2299"]
[BlackElo "2457"]
[ECO "A36"]
[Opening "English"]
[Variation "ultra-symmetrical variation"]
[EventDate "2023.05.25"]
[WhiteFideId "2029650"]
[BlackFideId "2096889"]
1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. a3 d6 6. Rb1 a5 7. Nf3 e5 8. O-O
Nge7 9. Ne1 Be6 10. d3 O-O 11. Bg5 f6 12. Be3 Rb8 13. Nc2 Nd4 14. Bd2 d5
15. cxd5 Nxd5 16. Nxd5 Bxd5 17. Bxa5 b6 18. Bxd5+ Qxd5 19. Bc3 f5 20. Ne3
Qe6 21. b4 f4 22. Bxd4 exd4 23. Ng2 fxg3 24. hxg3 Rbe8 25. bxc5 bxc5 26.
Rb5 Qa2 27. Re1 Qxa3 28. Qc2 Rf5 29. Nh4 Rh5 30. Reb1 Qa8 31. Rb7 Rhe5 32.
Qc4+ Kh8 33. Qf7 Rg8 34. Ra7 Qe8 35. Qxe8 Rexe8 36. Kf1 Ra8 37. Rc7 Rgc8
38. Rbb7 Rxc7 39. Rxc7 Bf8 40. Nf3 Ra1+ 41. Kg2 Ra2 42. Ng5 Rxe2 43. Kf3
Re7 44. Rxc5 h6 45. Rc8 Kg7 46. Ne4 Rf7+ 47. Ke2 Rd7 48. g4 Bd6 49. Rc6 Bb8
50. Nc5 Re7+ 51. Kf3 Rf7+ 52. Kg2 Be5 53. Ne6+ Kh7 54. Rc5 Bf6 55. Rd5 Ra7
56. g5 hxg5 57. Nxd4 Bxd4 58. Rxd4 Kg7 59. Re4 Ra3 60. Re3 Kf6 61. Kf3 Kf5
62. d4 g4+ 63. Kg3 Ra5 64. Rd3 Rd5 65. Rd1 Ke4 66. Kxg4 Rxd4 67. Re1+ Kd5+
68. f4 Re4 69. Rxe4 Kxe4 1/2-1/2