Event: 2025 Chicago Summer Open
Site: https://www.kingregistration.com/event/chisummeropen25
Date: 2025-06-22
White: Ochirbat, Lkhagvajamts
WhiteTitle: FM
WhiteElo: 2292
Black: Campos, Augusto Cesar
BlackTitle: IM
BlackElo: 2359
Result: 0-1
ECO: D32
Opening: Tarrasch Defense: Two Knights Variation
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:30:50] } 1... d5 { [%eval 0.2] [%clk 1:30:54] } 2. c4 { [%eval 0.18] } 2... e6 { [%eval 0.17] } 3. Nf3 { [%eval 0.16] } 3... c5 { [%eval 0.39] } 4. cxd5 { [%eval 0.4] } 4... exd5 { [%eval 0.38] } 5. Nc3 { [%eval 0.19] } 5... Nf6 { [%eval 0.34] } 6. g3 { [%eval 0.2] } 6... h6 { [%eval 0.42] } 7. Bg2 { [%eval 0.34] } 7... Nc6 { [%eval 0.41] } 8. O-O { [%eval 0.44] } 8... Be6 { [%eval 0.42] } 9. b3 { [%eval 0.46] } 9... Rc8 { [%eval 0.44] } 10. Bb2 { [%eval 0.47] } 10... Be7 { [%eval 0.43] } 11. dxc5 { [%eval 0.49] } 11... Bxc5 { [%eval 0.37] } 12. Rc1 { [%eval 0.26] } 12... O-O { [%eval 0.26] } 13. Na4 { [%eval 0.24] } 13... Bd6 { [%eval 0.25] } 14. Nd4 { [%eval 0.17] [%clk 1:22:10] } 14... Qe7 { [%eval 0.27] [%clk 1:22:14] } 15. Nb5 { [%eval 0.2] [%clk 1:22:25] } 15... Bb4 { [%eval 0.15] [%clk 1:21:17] } 16. a3 { [%eval 0.15] [%clk 1:14:37] } 16... a6 { [%eval 0.17] [%clk 1:19:14] } 17. axb4 { [%eval 0.11] } 17... axb5 { [%eval 0.17] } 18. Nc5 { [%eval 0.21] } 18... b6? { [%eval 1.39] } { Mistake. Bg4 was best. } 19. Nd3 { [%eval 1.05] } 19... Rfd8 { [%eval 0.86] } 20. e3 { [%eval 0.88] [%clk 1:04:53] } 20... Bf5 { [%eval 0.9] [%clk 1:09:30] } 21. Qe2?! { [%eval 0.26] } { Inaccuracy. Nf4 was best. } { [%clk 1:02:49] } 21... Be4 { [%eval 0.3] [%clk 1:08:59] } 22. Bh3 { [%eval -0.05] [%clk 1:02:41] } 22... Rc7 { [%eval 0.01] [%clk 1:09:11] } 23. Rfd1 { [%eval -0.16] [%clk 0:43:35] } 23... d4 { [%eval 0.01] [%clk 1:07:03] } 24. Ne1 { [%eval 0.0] [%clk 0:36:11] } 24... Qxb4 { [%eval -0.02] [%clk 1:04:28] } 25. exd4 { [%eval -0.24] [%clk 0:32:22] } 25... Re7 { [%eval -0.12] [%clk 0:59:39] } 26. Nd3?? { [%eval -1.97] } { Blunder. Bf1 was best. } { [%clk 0:29:19] } 26... Qxb3 { [%eval -1.91] [%clk 0:58:48] } 27. Ne5 { [%eval -1.95] [%clk 0:25:40] } 27... Na5? { [%eval -0.32] } { Mistake. Ree8 was best. } { [%clk 0:49:34] } 28. Rc3? { [%eval -1.49] } { Mistake. d5 was best. } { [%clk 0:18:51] } 28... Qd5 { [%eval -1.47] [%clk 0:50:02] } 29. Re1?! { [%eval -2.13] } { Inaccuracy. Rdc1 was best. } { [%clk 0:09:10] } 29... Rde8?! { [%eval -1.08] } { Inaccuracy. Nc4 was best. } { [%clk 0:50:30] } 30. Ba3 { [%eval -1.0] [%clk 0:05:51] } 30... Ra7 { [%eval -1.1] [%clk 0:48:33] } 31. Bb2 { [%eval -1.13] [%clk 0:01:14] } 31... Rae7 { [%eval -1.11] [%clk 0:49:01] } 32. Ba3 { [%eval -1.15] [%clk 0:00:00] } 32... Ra7 { [%eval -1.04] [%clk 0:48:45] } 33. Bb2 { [%eval -1.04] [%clk 0:00:00] } 33... Raa8 { [%eval -1.11] [%clk 0:49:14] } 34. Rc7?! { [%eval -1.98] } { Inaccuracy. Bf1 was best. } { [%clk 0:00:00] } 34... Nc4 { [%eval -1.94] [%clk 0:48:22] } 35. Bc3 { [%eval -1.86] [%clk 0:00:00] } 35... Ra3 { [%eval -1.91] [%clk 0:47:11] } 36. Nxc4 { [%eval -2.53] [%clk 0:00:00] } 36... Rxc3?? { [%eval -0.31] } { Blunder. bxc4 was best. } { [%clk 0:46:39] } 37. Ne3?? { [%eval -2.38] } { Blunder. Nxb6 was best. } { [%clk 0:00:00] } 37... Qxd4 { [%eval -2.51] [%clk 0:46:37] } 38. Nf5?! { [%eval -3.75] } { Inaccuracy. Rd1 was best. } { [%clk 0:00:00] } 38... Qe5 { [%eval -3.64] [%clk 0:46:39] } 39. Rxc3 { [%eval -3.68] [%clk 0:00:00] } 39... Qxc3 { [%eval -3.66] [%clk 0:47:08] } 40. Ne3 { [%eval -4.5] [%clk 0:00:00] } 40... b4 { [%eval -4.58] [%clk 0:47:07] } 41. Rd1 { [%eval -4.87] [%clk 0:00:00] } 41... b3 { [%eval -4.76] [%clk 0:47:17] } 42. Qd2 { [%eval -5.45] [%clk 0:00:00] } 42... Qe5 { [%eval -4.37] [%clk 0:43:06] } 43. Nc4 { [%eval -4.75] [%clk 0:00:00] } 43... Qc5 { [%eval -4.63] [%clk 0:43:36] } 44. Bf1 { [%eval -4.73] [%clk 0:00:00] } 44... Bc2 { [%eval -5.15] [%clk 0:42:59] } 45. Re1 { [%eval -4.92] [%clk 0:00:00] } 45... Ne4 { [%eval -4.9] [%clk 0:42:37] } 46. Qe3 { [%eval -5.2] [%clk 0:00:00] } 46... Re6 { [%eval -4.41] [%clk 0:43:06] } 0-1