Event: Round 5: Viegas, Rivanho - Tchilulo, Celio
Date: 2025-07-25
White: Viegas, Rivanho
WhiteElo: 1655
Black: Tchilulo, Celio
BlackElo: 1750
Result: 0-1
ECO: D79
Opening: Neo-Grünfeld Defense: Ultra-Delayed Exchange Variation
Variant: Standard

1. Nf3 { [%eval 0.1] [%clk 1:00:56] } 1... Nf6 { [%eval 0.18] [%clk 1:00:03] } 2. g3 { [%eval 0.11] [%clk 1:00:59] } 2... g6 { [%eval 0.21] [%clk 0:59:22] } 3. Bg2 { [%eval 0.13] [%clk 1:01:01] } 3... Bg7 { [%eval 0.23] [%clk 0:59:19] } 4. d4 { [%eval 0.07] [%clk 1:00:46] } 4... c5 { [%eval 0.1] [%clk 0:59:27] } 5. c3 { [%eval 0.2] [%clk 0:59:26] } 5... cxd4 { [%eval 0.18] [%clk 0:59:32] } 6. cxd4 { [%eval 0.1] [%clk 0:58:32] } 6... O-O { [%eval 0.18] [%clk 0:58:16] } 7. O-O { [%eval 0.14] [%clk 0:58:48] } 7... d5 { [%eval 0.12] [%clk 0:58:31] } 8. Nc3 { [%eval 0.16] [%clk 0:58:21] } 8... Nc6 { [%eval 0.18] [%clk 0:57:24] } 9. Be3 { [%eval 0.03] [%clk 0:58:12] } 9... Ne4 { [%eval 0.1] [%clk 0:46:50] } 10. Qc1 { [%eval -0.23] [%clk 0:54:06] } 10... Re8 { [%eval 0.01] [%clk 0:44:43] } 11. Rd1 { [%eval -0.01] [%clk 0:52:17] } 11... Nxc3 { [%eval 0.11] [%clk 0:43:27] } 12. Qxc3 { [%eval 0.15] [%clk 0:50:31] } 12... Bg4 { [%eval 0.04] [%clk 0:35:14] } 13. h3 { [%eval -0.1] [%clk 0:49:07] } 13... Bxf3 { [%eval 0.0] [%clk 0:35:30] } 14. Bxf3 { [%eval -0.06] [%clk 0:48:53] } 14... e6 { [%eval -0.06] [%clk 0:35:39] } 15. Rd3 { [%eval 0.0] [%clk 0:45:59] } 15... Qb6 { [%eval 0.08] [%clk 0:34:47] } 16. Rad1? { [%eval -1.42] } { Mistake. Qd2 was best. } { [%clk 0:44:35] } 16... Nb4 { [%eval -1.41] [%clk 0:34:00] } 17. R3d2 { [%eval -1.39] [%clk 0:40:19] } 17... Nxa2 { [%eval -1.24] [%clk 0:33:49] } 18. Qc5?! { [%eval -2.15] } { Inaccuracy. Qa3 was best. } { [%clk 0:37:00] } 18... Qxc5 { [%eval -2.08] [%clk 0:33:04] } 19. dxc5 { [%eval -2.12] [%clk 0:37:03] } 19... Nb4 { [%eval -2.08] [%clk 0:33:20] } 20. Bd4?! { [%eval -2.75] } { Inaccuracy. Bf4 was best. } { [%clk 0:33:12] } 20... Rac8? { [%eval -0.95] } { Mistake. Bxd4 was best. } { [%clk 0:26:17] } 21. e3? { [%eval -2.74] } { Mistake. e4 was best. } { [%clk 0:27:49] } 21... Nc6?! { [%eval -1.9] } { Inaccuracy. Bxd4 was best. } { [%clk 0:19:50] } 22. Rb1? { [%eval -3.61] } { Mistake. Bxg7 was best. } { [%clk 0:23:49] } 22... e5 { [%eval -3.54] [%clk 0:18:20] } 23. Bc3 { [%eval -3.56] [%clk 0:20:54] } 23... d4 { [%eval -3.39] [%clk 0:18:14] } 24. exd4?! { [%eval -4.67] } { Inaccuracy. Bxc6 was best. } { [%clk 0:15:57] } 24... exd4 { [%eval -4.81] [%clk 0:18:08] } 25. Bxc6 { [%eval -4.98] [%clk 0:15:34] } 25... dxc3 { [%eval -4.95] [%clk 0:18:12] } 26. Bxe8 { [%eval -5.69] [%clk 0:15:12] } 26... cxd2 { [%eval -5.67] [%clk 0:18:26] } 27. Ba4 { [%eval -6.04] [%clk 0:14:55] } 27... Rxc5 { [%eval -5.92] [%clk 0:17:52] } 28. Rd1 { [%eval -5.83] [%clk 0:13:57] } 28... Rc1 { [%eval -5.75] [%clk 0:16:16] } 29. b4 { [%eval -6.44] [%clk 0:12:06] } 29... b5 { [%eval -6.71] [%clk 0:15:49] } 30. Bb3 { [%eval -6.47] [%clk 0:11:39] } 30... Bc3 { [%eval -6.34] [%clk 0:16:01] } 31. Kf1 { [%eval -6.7] [%clk 0:11:07] } 31... Bxb4 { [%eval -6.62] [%clk 0:14:56] } 32. Ke2 { [%eval -6.35] [%clk 0:10:33] } 32... Rxd1 { [%eval -5.93] [%clk 0:15:06] } 33. Kxd1 { [%eval -5.79] [%clk 0:09:46] } 33... Kf8 { [%eval -5.19] [%clk 0:13:17] } 34. Bd5 { [%eval -5.11] [%clk 0:09:25] } 34... Bc3 { [%eval -5.15] [%clk 0:13:36] } 35. Kc2 { [%eval -5.03] [%clk 0:09:14] } 35... Ke7 { [%eval -4.95] [%clk 0:13:29] } 36. Bc6 { [%eval -5.9] [%clk 0:09:04] } 36... b4 { [%eval -5.72] [%clk 0:12:13] } 37. Bd5 { [%eval -5.99] [%clk 0:08:54] } 37... f6 { [%eval -5.86] [%clk 0:12:20] } 38. f3 { [%eval -6.17] [%clk 0:08:35] } 38... a5 { [%eval -6.58] [%clk 0:12:26] } 39. Bb3 { [%eval -6.47] [%clk 0:08:36] } 39... Kd6 { [%eval -6.18] [%clk 0:12:30] } 40. Kd3 { [%eval -6.45] [%clk 0:08:42] } 40... Kc5 { [%eval -6.25] [%clk 0:12:41] } 41. Ba4 { [%eval -6.34] [%clk 0:08:32] } 41... h5 { [%eval -5.94] [%clk 0:10:58] } 42. g4?! { [%eval -8.03] } { Inaccuracy. h4 was best. } { [%clk 0:07:44] } 42... hxg4 { [%eval -8.25] [%clk 0:10:50] } 43. hxg4 { [%eval -8.07] [%clk 0:08:00] } 43... Kd5 { [%eval -7.0] [%clk 0:10:58] } 44. f4 { [%eval -6.99] [%clk 0:07:08] } 44... g5 { [%eval -6.86] [%clk 0:09:34] } 45. f5 { [%eval -9.75] [%clk 0:06:27] } 45... Kc5 { [%eval -9.78] [%clk 0:09:19] } 46. Bb3 { [%eval -12.8] [%clk 0:04:16] } 46... Kb5 { [%eval -11.16] [%clk 0:09:21] } 47. Bc4+?! { [%eval #-19] } { Checkmate is now unavoidable. Bd1 was best. } { [%clk 0:04:07] } 47... Ka4 { [%eval #-19] [%clk 0:09:18] } 48. Kc2 { [%eval -64.45] [%clk 0:04:15] } 48... Ka3 { [%eval #-34] [%clk 0:09:23] } 49. Be2 { [%eval -19.1] [%clk 0:03:21] } 49... a4 { [%eval -12.37] [%clk 0:09:02] } 50. Kb1?! { [%eval #-7] } { Checkmate is now unavoidable. Kd3 was best. } { [%clk 0:03:15] } 50... Be5 { [%eval #-11] [%clk 0:08:45] } 51. Bd1 { [%eval #-11] [%clk 0:03:10] } 51... Bf4 { [%eval #-10] [%clk 0:08:48] } 52. Bc2 { [%eval #-5] [%clk 0:02:45] } 52... b3 { [%eval #-4] [%clk 0:09:00] } 53. Bd1 { [%eval #-4] [%clk 0:03:00] } 53... Kb4 { [%eval #-3] [%clk 0:09:18] } 54. Kb2 { [%eval #-3] [%clk 0:02:52] } 54... a3+ { [%eval #-2] [%clk 0:09:34] } 55. Ka1 { [%eval #-2] [%clk 0:02:45] } 55... Be5+ { [%eval #-1] [%clk 0:09:45] } 56. Kb1 { [%clk 0:03:01] } 56... a2# { [%clk 0:10:05] } 0-1