Event: Round 4: Juan David Castro Silva - Otero, Juan David
Site: https://lichess.org/broadcast/final-nacional-colombia-intercolegiados-clasico-2025--juvenil-masculino/round-4/mXCKRHbV/MhnMzCte
Date: 2025-10-26
White: Juan David Castro Silva
Black: Otero, Juan David
Result: 0-1
ECO: D35
Opening: Queen's Gambit Declined: Harrwitz Attack
Variant: Standard
TimeControl: 60+30

1. d4 { [%eval 0.17] [%clk 0:59:04] } 1... d5 { [%eval 0.18] [%clk 1:00:55] } 2. c4 { [%eval 0.18] [%clk 0:58:58] } 2... e6 { [%eval 0.17] [%clk 1:01:12] } 3. Nc3 { [%eval 0.22] [%clk 0:58:51] } 3... Nf6 { [%eval 0.24] [%clk 1:00:26] } 4. Bf4 { [%eval -0.06] [%clk 0:58:51] } 4... Bb4 { [%eval 0.05] [%clk 0:59:28] } 5. e3 { [%eval -0.04] [%clk 0:58:20] } 5... c6 { [%eval 0.37] [%clk 0:57:23] } 6. Bd3 { [%eval 0.14] [%clk 0:57:17] } 6... O-O { [%eval 0.2] [%clk 0:56:20] } 7. Nf3 { [%eval 0.29] [%clk 0:56:33] } 7... Qa5 { [%eval 0.66] [%clk 0:54:46] } 8. Qc2 { [%eval 0.48] [%clk 0:55:18] } 8... dxc4 { [%eval 0.45] [%clk 0:47:36] } 9. Bxc4 { [%eval 0.52] [%clk 0:52:43] } 9... Ne4? { [%eval 2.0] } { Mistake. Nd5 was best. } { [%clk 0:45:42] } 10. O-O { [%eval 2.02] [%clk 0:51:47] } 10... Nxc3 { [%eval 2.12] [%clk 0:42:57] } 11. bxc3 { [%eval 2.0] [%clk 0:50:55] } 11... Bxc3 { [%eval 2.12] [%clk 0:42:57] } 12. Ng5 { [%eval 2.19] [%clk 0:50:55] } 12... g6 { [%eval 2.1] [%clk 0:42:57] } 13. Rac1?! { [%eval 1.4] } { Inaccuracy. Rab1 was best. } { [%clk 0:50:55] } 13... b5?! { [%eval 2.53] } { Inaccuracy. Bb4 was best. } { [%clk 0:31:43] } 14. Qxc3 { [%eval 2.13] [%clk 0:47:28] } 14... Qxc3 { [%eval 1.96] [%clk 0:38:33] } 15. Rxc3 { [%eval 1.97] [%clk 0:47:42] } 15... bxc4 { [%eval 1.93] [%clk 0:38:37] } 16. Rxc4?? { [%eval -1.0] } { Blunder. Rfc1 was best. } { [%clk 0:47:57] } 16... Ba6 { [%eval -1.11] [%clk 0:34:56] } 17. Rfc1 { [%eval -1.56] [%clk 0:43:43] } 17... Bxc4 { [%eval -1.6] [%clk 0:39:29] } 18. Rxc4 { [%eval -1.59] [%clk 0:42:02] } 18... Rc8 { [%eval -1.37] [%clk 0:36:18] } 19. e4?! { [%eval -2.23] } { Inaccuracy. g4 was best. } { [%clk 0:41:24] } 19... Nd7 { [%eval -2.03] [%clk 0:36:43] } 20. Rb4? { [%eval -3.68] } { Mistake. Bd6 was best. } { [%clk 0:40:13] } 20... h6 { [%eval -3.62] [%clk 0:33:29] } 21. Nf3 { [%eval -3.78] [%clk 0:39:52] } 21... Kg7?? { [%eval -1.33] } { Blunder. c5 was best. } { [%clk 0:32:20] } 22. Ne5?? { [%eval -4.39] } { Blunder. Rb7 was best. } { [%clk 0:39:10] } 22... Rab8 { [%eval -4.36] [%clk 0:26:56] } 23. a3 { [%eval -4.15] [%clk 0:38:59] } 23... Rxb4 { [%eval -3.96] [%clk 0:25:40] } 24. axb4 { [%eval -3.88] [%clk 0:39:14] } 24... Nxe5 { [%eval -3.83] [%clk 0:25:27] } 25. Bxe5+ { [%eval -3.74] [%clk 0:39:34] } 25... f6 { [%eval -3.61] [%clk 0:25:33] } 26. Bd6 { [%eval -3.72] [%clk 0:39:54] } 26... a6 { [%eval -3.54] [%clk 0:23:26] } 27. f4 { [%eval -4.02] [%clk 0:39:54] } 27... f5 { [%eval -3.69] [%clk 0:21:36] } 28. e5 { [%eval -4.56] [%clk 0:40:04] } 28... h5 { [%eval -3.87] [%clk 0:21:16] } 29. Kf2 { [%eval -3.84] [%clk 0:40:23] } 29... Kh6 { [%eval -3.78] [%clk 0:21:40] } 30. h4 { [%eval -3.67] [%clk 0:40:36] } 30... Ra8 { [%eval -3.22] [%clk 0:21:40] } 31. Kf3? { [%eval -5.14] } { Mistake. Bc7 was best. } { [%clk 0:40:36] } 31... a5 { [%eval -5.19] [%clk 0:21:48] } 32. bxa5 { [%eval -5.18] [%clk 0:40:51] } 32... Rxa5 { [%eval -4.98] [%clk 0:22:16] } 33. Ke3 { [%eval -4.95] [%clk 0:40:52] } 33... Ra2 { [%eval -5.03] [%clk 0:22:04] } 34. g3 { [%eval -5.11] [%clk 0:40:45] } 34... Rb2 { [%eval -4.84] [%clk 0:20:30] } 35. Kf3 { [%eval -5.7] [%clk 0:39:32] } 35... Rb3+ { [%eval -5.58] [%clk 0:20:29] } 36. Kg2 { [%eval -6.25] [%clk 0:39:45] } 36... Rd3 { [%eval -6.23] [%clk 0:20:51] } 37. Bc5 { [%eval -6.22] [%clk 0:38:38] } 37... Kg7 { [%eval -6.1] [%clk 0:20:08] } 38. Kf2 { [%eval -5.81] [%clk 0:39:04] } 38... Kf7 { [%eval -6.49] [%clk 0:20:21] } 39. Kg2 { [%eval -6.55] [%clk 0:39:03] } 39... Ke8 { [%eval -5.87] [%clk 0:20:21] } 40. Kf2 { [%eval -6.38] [%clk 0:39:03] } 40... Kd7 { [%eval -6.18] [%clk 0:20:21] } 41. Ba7 { [%eval -6.99] [%clk 0:39:03] } 41... Kc8 { [%eval -6.98] [%clk 0:20:21] } 42. Bc5 { [%eval -6.99] [%clk 0:39:03] } 42... Kb7 { [%eval -6.53] [%clk 0:20:21] } 43. Kg2 { [%eval -6.95] [%clk 0:39:03] } 43... Ka6 { [%eval -8.15] [%clk 0:20:21] } 44. Kf2 { [%eval -8.36] [%clk 0:39:03] } 44... Kb5 { [%eval -8.28] [%clk 0:20:21] } 45. Ba7 { [%eval -8.27] [%clk 0:38:52] } 45... Kc4 { [%eval -7.86] [%clk 0:22:54] } 46. Bc5 { [%eval -8.53] [%clk 0:38:52] } 46... Rxd4 { [%eval -7.66] [%clk 0:22:54] } 47. Bxd4? { [%eval #-18] } { Checkmate is now unavoidable. Ba3 was best. } { [%clk 0:38:52] } 47... Kxd4 { [%eval #-17] [%clk 0:22:54] } 48. Ke1 { [%eval #-18] [%clk 0:39:28] } 48... Kc3 { [%eval #-20] [%clk 0:22:43] } 49. Kd1 { [%eval #-19] [%clk 0:39:46] } 49... c5 { [%eval #-24] [%clk 0:23:13] } 50. Kc1 { [%eval #-11] [%clk 0:39:58] } 50... c4 { [%eval #-10] [%clk 0:23:25] } 51. Kb1 { [%eval #-10] [%clk 0:40:09] } 51... Kd2 { [%eval #-9] [%clk 0:23:48] } 52. Kb2 { [%eval #-9] [%clk 0:39:51] } 52... c3+ { [%eval #-8] [%clk 0:24:17] } 53. Kb1 { [%eval #-6] [%clk 0:40:08] } 53... c2+ { [%eval #-5] [%clk 0:24:45] } 54. Ka2 { [%eval #-5] [%clk 0:40:21] } 54... c1=Q { [%eval #-4] [%clk 0:24:43] } 55. g4 { [%eval #-2] [%clk 0:40:33] } 55... Kc2 { [%eval #-1] [%clk 0:24:33] } 0-1