Event: 45th FIDE Chess Olympiad
Site: Budapest, Hungary
Date: 2024-09-12
White: Pereira, Sergio
WhiteElo: 1988
Black: Delgado Rosas, Alex Antonio
BlackTitle: CM
BlackElo: 2157
Result: 0-1
ECO: B40
Opening: Sicilian Defense: Four Knights Variation
Variant: Standard
TimeControl: 40/5400+30:1800+30\

1. e4 { [%eval 0.18] [%clk 1:30:23] } 1... c5 { [%eval 0.25] [%clk 1:30:55] } 2. Nc3 { [%eval 0.21] [%clk 1:30:30] } 2... e6 { [%eval 0.28] [%clk 1:31:11] } 3. Nge2 { [%eval 0.4] [%clk 1:30:00] } 3... Nc6 { [%eval 0.33] [%clk 1:31:25] } 4. d4 { [%eval 0.37] [%clk 1:28:15] } 4... cxd4 { [%eval 0.32] [%clk 1:31:49] } 5. Nxd4 { [%eval 0.24] [%clk 1:28:39] } 5... Nf6 { [%eval 0.42] [%clk 1:32:11] } 6. a3 { [%eval 0.24] [%clk 1:25:58] } 6... Qc7 { [%eval 0.39] [%clk 1:27:05] } 7. Be2 { [%eval 0.25] [%clk 1:24:29] } 7... a6 { [%eval 0.26] [%clk 1:26:12] } 8. Be3 { [%eval 0.29] [%clk 1:21:37] } 8... Be7 { [%eval 0.25] [%clk 1:23:40] } 9. O-O { [%eval 0.21] [%clk 1:20:42] } 9... O-O { [%eval 0.3] [%clk 1:23:26] } 10. f4 { [%eval 0.16] [%clk 1:19:12] } 10... d6 { [%eval 0.23] [%clk 1:15:51] } 11. Kh1 { [%eval -0.06] [%clk 1:08:38] } 11... Bd7 { [%eval 0.12] [%clk 1:15:18] } 12. Nb3 { [%eval 0.05] [%clk 1:03:54] } 12... Rac8 { [%eval 0.28] [%clk 1:02:39] } 13. a4 { [%eval 0.18] [%clk 0:54:08] } 13... Nb4 { [%eval 0.48] [%clk 1:00:35] } 14. Nd4?! { [%eval -0.34] } { Inaccuracy. a5 was best. } { [%clk 0:50:56] } 14... d5 { [%eval 0.0] [%clk 0:43:38] } 15. e5 { [%eval -0.08] [%clk 0:46:19] } 15... Ne4 { [%eval -0.03] [%clk 0:43:59] } 16. Nxe4 { [%eval -0.08] [%clk 0:46:26] } 16... dxe4 { [%eval -0.1] [%clk 0:44:26] } 17. c3 { [%eval -0.05] [%clk 0:46:41] } 17... Nd5 { [%eval -0.1] [%clk 0:44:40] } 18. Qd2 { [%eval -0.36] [%clk 0:45:11] } 18... Bc5 { [%eval -0.2] [%clk 0:38:04] } 19. Bg1 { [%eval -0.14] [%clk 0:41:02] } 19... g5 { [%eval -0.08] [%clk 0:32:50] } 20. Be3?! { [%eval -0.69] } { Inaccuracy. fxg5 was best. } { [%clk 0:31:06] } 20... Kh8 { [%eval -0.77] [%clk 0:28:44] } 21. a5 { [%eval -1.14] [%clk 0:20:52] } 21... Be8? { [%eval 0.0] } { Mistake. f5 was best. } { [%clk 0:21:56] } 22. Bg4 { [%eval -0.38] [%clk 0:14:24] } 22... Rg8 { [%eval -0.06] [%clk 0:16:16] } 23. h3 { [%eval -0.38] [%clk 0:08:28] } 23... Rd8 { [%eval 0.0] [%clk 0:11:55] } 24. Rae1 { [%eval -0.09] [%clk 0:06:23] } 24... Bf8? { [%eval 1.38] } { Mistake. Bb5 was best. } { [%clk 0:07:20] } 25. f5 { [%eval 1.42] [%clk 0:05:35] } 25... Qxe5 { [%eval 1.16] [%clk 0:07:20] } 26. Nc6? { [%eval 0.0] } { Mistake. fxe6 was best. } { [%clk 0:04:11] } 26... Nxe3 { [%eval 0.0] [%clk 0:05:51] } 27. Nxe5 { [%eval 0.0] [%clk 0:04:32] } 27... Rxd2 { [%eval 0.0] [%clk 0:06:05] } 28. Rxe3 { [%eval 0.0] [%clk 0:04:56] } 28... exf5 { [%eval 0.0] [%clk 0:02:49] } 29. Nc4?! { [%eval -0.71] } { Inaccuracy. Bxf5 was best. } { [%clk 0:03:43] } 29... Bc5 { [%eval -0.87] [%clk 0:02:40] } 30. Nxd2?? { [%eval -4.05] } { Blunder. Rxe4 was best. } { [%clk 0:03:53] } 30... Bxe3 { [%eval -4.18] [%clk 0:03:08] } 31. Nc4 { [%eval -4.25] [%clk 0:04:13] } 31... Bf4?! { [%eval -3.25] } { Inaccuracy. Bb5 was best. } { [%clk 0:03:05] } 32. Bxf5 { [%eval -3.21] [%clk 0:04:27] } 32... Bb5 { [%eval -3.19] [%clk 0:03:27] } 33. b3 { [%eval -3.12] [%clk 0:04:42] } 33... Bxc4 { [%eval -3.04] [%clk 0:03:43] } 34. bxc4 { [%eval -2.92] [%clk 0:05:07] } 34... Re8 { [%eval -2.85] [%clk 0:03:56] } 35. Re1 { [%eval -3.16] [%clk 0:05:00] } 35... e3 { [%eval -3.28] [%clk 0:04:17] } 36. Re2?! { [%eval -4.18] } { Inaccuracy. Bd3 was best. } { [%clk 0:04:48] } 36... h5?! { [%eval -2.94] } { Inaccuracy. Bc7 was best. } { [%clk 0:03:02] } 37. Kg1 { [%eval -3.2] [%clk 0:03:38] } 37... Re5 { [%eval -3.12] [%clk 0:02:06] } 38. Bc8 { [%eval -3.31] [%clk 0:03:38] } 38... h4 { [%eval -2.89] [%clk 0:02:15] } 39. Bxb7 { [%eval -3.3] [%clk 0:03:17] } 39... Rxa5 { [%eval -3.28] [%clk 0:02:32] } 40. g4?! { [%eval -4.52] } { Inaccuracy. Kf1 was best. } { [%clk 0:03:35] } 40... hxg3 { [%clk 0:02:40] } 41. Kg2 { [%clk 0:02:14] } 41... Kg7 { [%clk 0:02:52] } 42. Kf3 { [%clk 0:02:02] } 42... Ra1 { [%clk 0:01:34] } 43. h4 { [%clk 0:01:54] } 43... a5 { [%clk 0:00:51] } 44. hxg5 { [%clk 0:01:48] } 44... Rf1+ { [%clk 0:01:03] } 45. Kg2 { [%clk 0:01:58] } 45... Rf2+ { [%clk 0:01:21] } 46. Rxf2 { [%clk 0:02:23] } 46... gxf2 { [%clk 0:01:39] } 47. c5 { [%clk 0:02:25] } 47... a4 { [%clk 0:01:36] } 48. Bd5 { [%clk 0:02:38] } 48... Bxg5 { [%clk 0:01:48] } 49. Bc4 { [%clk 0:02:37] } 49... a3 { [%clk 0:02:04] } 50. c6 { [%clk 0:02:28] } 50... Bd8 { [%clk 0:02:30] } 51. Ba2 { [%clk 0:01:14] } 51... f5 { [%clk 0:02:28] } 52. c4 { [%clk 0:01:38] } 52... f4 { [%clk 0:02:47] } 53. c5 { [%clk 0:02:00] } 53... f3+ { [%clk 0:02:10] } 54. Kf1 { [%clk 0:02:24] } 54... Bh4 { [%clk 0:02:16] } 0-1