Event: 2025 Chicago Summer Open
Site: https://www.kingregistration.com/event/chisummeropen25
Date: 2025-06-21
White: Liang, Ethan Y
WhiteElo: 1834
Black: Campos, Augusto Cesar
BlackTitle: IM
BlackElo: 2359
Result: 0-1
ECO: E21
Opening: Nimzo-Indian Defense: Three Knights Variation
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:30:50] } 1... Nf6 { [%eval 0.19] [%clk 1:30:33] } 2. c4 { [%eval 0.18] [%clk 1:31:19] } 2... e6 { [%eval 0.14] [%clk 1:31:21] } 3. Nc3 { [%eval 0.09] [%clk 1:32:08] } 3... Bb4 { [%eval 0.09] [%clk 1:31:21] } 4. Nf3 { [%eval 0.12] [%clk 1:32:08] } 4... c5 { [%eval 0.21] [%clk 1:31:19] } 5. g3 { [%eval 0.03] [%clk 1:31:47] } 5... b6 { [%eval 0.37] [%clk 1:30:47] } 6. Bg2 { [%eval 0.3] [%clk 1:27:51] } 6... Bb7 { [%eval 0.34] [%clk 1:31:11] } 7. a3?! { [%eval -0.32] } { Inaccuracy. O-O was best. } { [%clk 1:27:45] } 7... Bxc3+ { [%eval -0.26] [%clk 1:31:20] } 8. bxc3 { [%eval -0.17] [%clk 1:28:11] } 8... O-O { [%eval 0.04] [%clk 1:31:43] } 9. O-O { [%eval 0.12] [%clk 1:25:06] } 9... d6 { [%eval 0.14] [%clk 1:31:44] } 10. Re1 { [%eval -0.18] [%clk 1:22:04] } 10... Be4 { [%eval 0.16] [%clk 1:31:51] } 11. Bg5 { [%eval -0.1] [%clk 1:09:10] } 11... h6 { [%eval -0.02] [%clk 1:31:55] } 12. Bxf6 { [%eval -0.1] [%clk 1:09:33] } 12... Qxf6 { [%eval -0.25] [%clk 1:32:22] } 13. e3 { [%eval -0.33] [%clk 1:09:44] } 13... Nc6 { [%eval -0.26] [%clk 1:32:41] } 14. Nd2 { [%eval -0.3] [%clk 1:08:05] } 14... Bxg2 { [%eval -0.26] [%clk 1:33:02] } 15. Kxg2 { [%eval -0.34] [%clk 1:08:31] } 15... Rac8 { [%eval -0.21] [%clk 1:32:56] } 16. Nb3 { [%eval -0.41] [%clk 1:06:10] } 16... Rc7 { [%eval -0.37] [%clk 1:32:12] } 17. a4 { [%eval -0.74] [%clk 1:05:11] } 17... a5?! { [%eval 0.0] } { Inaccuracy. cxd4 was best. } { [%clk 1:26:50] } 18. Rb1 { [%eval 0.0] [%clk 1:05:15] } 18... cxd4 { [%eval 0.02] [%clk 1:26:21] } 19. exd4 { [%eval 0.05] [%clk 0:56:34] } 19... Nb8 { [%eval 0.12] [%clk 1:26:02] } 20. c5?! { [%eval -0.43] } { Inaccuracy. Nd2 was best. } { [%clk 0:36:24] } 20... dxc5 { [%eval -0.1] [%clk 1:26:06] } 21. dxc5 { [%eval -0.09] [%clk 0:36:41] } 21... bxc5 { [%eval 0.0] [%clk 1:26:18] } 22. Qf3 { [%eval 0.0] [%clk 0:37:10] } 22... Qxf3+ { [%eval -0.05] [%clk 1:16:27] } 23. Kxf3 { [%eval -0.1] [%clk 0:32:30] } 23... Nd7 { [%eval -0.1] [%clk 1:22:08] } 24. Nxa5 { [%eval -0.07] [%clk 0:32:20] } 24... Ra8 { [%eval -0.09] [%clk 1:22:07] } 25. Rb5 { [%eval -0.01] [%clk 0:32:22] } 25... Nf6 { [%eval -0.03] [%clk 1:21:17] } 26. c4 { [%eval -0.12] [%clk 0:23:51] } 26... Rca7 { [%eval -0.2] [%clk 1:20:23] } 27. Nb3 { [%eval -0.29] [%clk 0:22:46] } 27... Rxa4 { [%eval -0.28] [%clk 1:20:48] } 28. Rxc5 { [%eval -0.38] [%clk 0:22:38] } 28... Rb4 { [%eval -0.43] [%clk 1:17:48] } 29. Nd2? { [%eval -1.57] } { Mistake. Re3 was best. } { [%clk 0:21:20] } 29... Rb2 { [%eval -1.57] [%clk 1:16:18] } 30. Rd1? { [%eval -3.23] } { Mistake. Re2 was best. } { [%clk 0:05:37] } 30... Rd8 { [%eval -3.18] [%clk 1:13:56] } 31. Ke3 { [%eval -3.26] [%clk 0:05:49] } 31... Ng4+ { [%eval -3.3] [%clk 1:14:04] } 32. Ke2 { [%eval -3.19] [%clk 0:04:31] } 32... Nxh2 { [%eval -3.13] [%clk 1:14:05] } 33. Rb5 { [%eval -3.31] [%clk 0:04:03] } 33... Rc2 { [%eval -3.34] [%clk 1:14:06] } 34. Rb3 { [%eval -3.62] [%clk 0:04:43] } 34... Ng4 { [%eval -3.7] [%clk 1:14:24] } 35. Rd3 { [%eval -3.61] [%clk 0:04:40] } 35... Rc8 { [%eval -3.57] [%clk 1:14:53] } 36. Rd4 { [%eval -3.64] [%clk 0:03:49] } 36... Ne5 { [%eval -3.72] [%clk 1:15:13] } 37. Kf1 { [%eval -3.61] [%clk 0:02:55] } 37... Nxc4 { [%eval -3.52] [%clk 1:15:30] } 38. Nxc4 { [%eval -4.16] [%clk 0:03:15] } 38... R2xc4 { [%eval -4.5] [%clk 1:15:55] } 39. Rd7 { [%eval -4.39] [%clk 0:03:35] } 39... Rc1 { [%eval -4.27] [%clk 1:16:03] } 40. Rxc1 { [%eval -4.31] [%clk 0:03:50] } 40... Rxc1+ { [%eval -4.32] [%clk 1:16:31] } 41. Kg2 { [%eval -4.68] [%clk 0:03:59] } 41... g5 { [%eval -4.77] [%clk 1:16:59] } 42. Ra7 { [%eval -4.68] [%clk 0:04:10] } 42... Kg7 { [%eval -4.59] [%clk 1:17:28] } 43. Rb7 { [%eval -4.57] [%clk 0:04:32] } 43... h5 { [%eval -4.96] [%clk 1:17:50] } 44. Ra7 { [%eval -4.78] [%clk 0:04:51] } 44... Kg6 { [%eval -4.62] [%clk 1:18:10] } 45. Ra8 { [%eval -4.91] [%clk 0:04:58] } 45... Rc4 { [%eval -4.83] [%clk 1:18:39] } 46. Rg8+ { [%eval -5.06] [%clk 0:05:25] } 46... Kf5 { [%eval -4.91] [%clk 1:19:05] } 47. Rf8 { [%eval -5.26] [%clk 0:05:25] } 47... f6 { [%eval -5.19] [%clk 1:19:24] } 48. Ra8 { [%eval -5.12] [%clk 0:05:44] } 48... h4 { [%eval -5.29] [%clk 1:19:43] } 49. gxh4 { [%eval -6.39] } 49... Rxh4 { [%eval -6.17] [%clk 1:20:02] } 50. Ra5+ { [%eval -6.17] [%clk 0:06:24] } 50... e5 { [%eval -6.06] [%clk 1:20:16] } 51. Ra3 { [%eval -7.35] [%clk 0:06:50] } 51... g4 { [%eval -7.13] [%clk 1:20:19] } 52. Ra6 { [%eval -7.28] [%clk 0:07:13] } 52... Rh3 { [%eval -7.19] [%clk 1:20:26] } 53. Rb6 { [%eval -6.99] [%clk 0:07:32] } 53... e4 { [%eval -7.43] [%clk 1:20:37] } 54. Rb5+ { [%eval -7.43] [%clk 0:07:34] } 54... Kf4 { [%eval -7.31] } 55. Rb6 { [%eval -7.46] [%clk 0:08:01] } 55... f5 { [%eval -7.34] [%clk 1:21:29] } 56. Rb4 { [%eval -7.59] [%clk 0:07:39] } 56... Rd3 { [%eval -7.78] [%clk 1:21:50] } 57. Ra4 { [%eval -7.78] [%clk 0:07:38] } 57... g3 { [%eval -7.51] [%clk 1:21:57] } 58. fxg3+ { [%eval -7.43] [%clk 0:07:29] } 58... Rxg3+ { [%eval -7.91] [%clk 1:22:08] } 59. Kf2 { [%eval -7.79] [%clk 0:08:03] } 59... Rf3+ { [%eval -7.11] [%clk 1:22:34] } 60. Ke2 { [%eval -8.37] [%clk 0:08:24] } 60... Rh3 { [%eval -8.05] [%clk 1:23:01] } 61. Ra8? { [%eval #-22] } { Checkmate is now unavoidable. Kd2 was best. } { [%clk 0:08:39] } 61... Rh2+ { [%eval -29.5] [%clk 1:23:23] } 62. Kf1 { [%eval -11.76] [%clk 0:09:03] } 62... Kf3 { [%eval -11.2] [%clk 1:23:38] } 63. Kg1?! { [%eval #-15] } { Checkmate is now unavoidable. Ke1 was best. } { [%clk 0:09:32] } 63... Rd2 { [%eval #-14] [%clk 1:23:43] } 64. Rf8 { [%eval #-11] [%clk 0:09:50] } 64... f4 { [%eval #-10] [%clk 1:23:52] } 65. Kh1 { [%eval #-8] [%clk 0:10:09] } 65... e3 { [%eval #-7] [%clk 1:24:17] } 0-1