Event: Round 4: Otero, Juan David - Andrade Salcedo, Jorge Mario
Site: https://lichess.org/broadcast/final-nacional-colombia-intercolegiados-blitz-2025--juvenil-masculino/round-4/dRUOPKrL/bQPjwDmO
Date: 2025-10-28
White: Otero, Juan David
WhiteElo: 1524
Black: Andrade Salcedo, Jorge Mario
BlackElo: 1920
Result: 0-1
ECO: D37
Opening: Queen's Gambit Declined: Harrwitz Attack, Orthodox Defense
Variant: Standard
TimeControl: 4+2

1. d4 { [%eval 0.17] [%clk 0:04:04] } 1... d5 { [%eval 0.18] [%clk 0:04:04] } 2. c4 { [%eval 0.18] [%clk 0:04:04] } 2... Nf6 { [%eval 0.52] [%clk 0:04:03] } 3. Nf3 { [%eval 0.22] [%clk 0:04:05] } 3... e6 { [%eval 0.17] [%clk 0:04:04] } 4. Bf4 { [%eval -0.12] [%clk 0:04:05] } 4... Be7 { [%eval 0.27] [%clk 0:04:03] } 5. Nc3 { [%eval 0.17] [%clk 0:04:00] } 5... O-O { [%eval 0.23] [%clk 0:04:03] } 6. e3 { [%eval 0.25] [%clk 0:03:56] } 6... c6 { [%eval 0.33] [%clk 0:03:57] } 7. cxd5 { [%eval 0.15] [%clk 0:03:51] } 7... cxd5 { [%eval 0.38] [%clk 0:03:56] } 8. Be2 { [%eval 0.19] [%clk 0:03:51] } 8... Nc6 { [%eval 0.2] [%clk 0:03:53] } 9. O-O { [%eval 0.12] [%clk 0:03:50] } 9... a6 { [%eval 0.38] [%clk 0:03:53] } 10. a4 { [%eval -0.13] [%clk 0:03:42] } 10... Qb6 { [%eval 0.15] [%clk 0:03:46] } 11. Qc2 { [%eval -0.02] [%clk 0:03:43] } 11... Nb4 { [%eval 0.29] [%clk 0:03:43] } 12. Qc1 { [%eval 0.0] [%clk 0:03:24] } 12... a5 { [%eval 0.41] [%clk 0:03:31] } 13. Nb5 { [%eval 0.4] [%clk 0:03:14] } 13... Bd7 { [%eval 0.47] [%clk 0:03:24] } 14. Qd2?! { [%eval -0.2] } { Inaccuracy. Bc7 was best. } { [%clk 0:03:07] } 14... Ne4 { [%eval -0.26] [%clk 0:03:20] } 15. Qd1 { [%eval -0.36] [%clk 0:02:57] } 15... Rac8 { [%eval 0.0] [%clk 0:03:19] } 16. Ne5 { [%eval -0.33] [%clk 0:02:47] } 16... Bc6 { [%eval -0.02] [%clk 0:02:52] } 17. Bd3? { [%eval -1.17] } { Mistake. f3 was best. } { [%clk 0:02:09] } 17... Nxd3 { [%eval -0.76] [%clk 0:02:17] } 18. Qxd3 { [%eval -0.83] [%clk 0:02:09] } 18... Bb4?! { [%eval -0.22] } { Inaccuracy. Bxb5 was best. } { [%clk 0:02:15] } 19. Rfc1 { [%eval -0.35] [%clk 0:01:54] } 19... f6 { [%eval -0.21] [%clk 0:02:04] } 20. Nxc6 { [%eval -0.2] [%clk 0:01:54] } 20... bxc6 { [%eval -0.21] [%clk 0:02:04] } 21. Nc3 { [%eval -0.23] [%clk 0:01:48] } 21... f5?! { [%eval 0.33] } { Inaccuracy. Bxc3 was best. } { [%clk 0:01:56] } 22. Qe2 { [%eval 0.22] [%clk 0:01:23] } 22... Bxc3 { [%eval 0.63] } 23. bxc3 { [%eval 0.64] [%clk 0:01:23] } 23... Qb3? { [%eval 2.39] } { Mistake. c5 was best. } { [%clk 0:01:17] } 24. Qa2? { [%eval 0.77] } { Mistake. f3 was best. } { [%clk 0:01:05] } 24... Qxa2 { [%eval 0.96] [%clk 0:01:01] } 25. Rxa2 { [%eval 1.07] [%clk 0:01:06] } 25... c5 { [%eval 1.05] [%clk 0:01:03] } 26. Rac2?! { [%eval 0.24] } { Inaccuracy. f3 was best. } { [%clk 0:01:06] } 26... Rf7 { [%eval 0.16] [%clk 0:01:03] } 27. f3 { [%eval 0.17] [%clk 0:00:56] } 27... Nf6 { [%eval 0.25] [%clk 0:00:54] } 28. c4 { [%eval 0.0] [%clk 0:00:51] } 28... cxd4 { [%eval 0.0] [%clk 0:00:51] } 29. exd4 { [%eval 0.0] [%clk 0:00:52] } 29... dxc4 { [%eval 0.0] [%clk 0:00:40] } 30. Rxc4 { [%eval 0.0] [%clk 0:00:53] } 30... Rxc4 { [%eval 0.0] [%clk 0:00:41] } 31. Rxc4 { [%eval 0.0] [%clk 0:00:53] } 31... Rd7 { [%eval 0.25] [%clk 0:00:40] } 32. Be5 { [%eval 0.11] [%clk 0:00:54] } 32... Kf7? { [%eval 1.23] } { Mistake. Nd5 was best. } { [%clk 0:00:37] } 33. Rc8?! { [%eval 0.34] } { Inaccuracy. Rc7 was best. } { [%clk 0:00:52] } 33... Ra7?? { [%eval 2.95] } { Blunder. Nd5 was best. } { [%clk 0:00:22] } 34. Rc7+ { [%eval 3.04] [%clk 0:00:48] } 34... Rxc7 { [%eval 2.86] [%clk 0:00:23] } 35. Bxc7 { [%eval 3.27] [%clk 0:00:50] } 35... Nd5 { [%eval 3.37] [%clk 0:00:24] } 36. Bxa5 { [%eval 3.23] [%clk 0:00:50] } 36... Ke7 { [%eval 3.01] [%clk 0:00:24] } 37. Kf2 { [%eval 2.97] [%clk 0:00:50] } 37... Kd6 { [%eval 3.06] [%clk 0:00:21] } 38. Ke2 { [%eval 3.0] [%clk 0:00:47] } 38... Nf4+ { [%eval 2.76] [%clk 0:00:22] } 39. Kf2 { [%eval 2.7] [%clk 0:00:47] } 39... Nd3+?! { [%eval 3.44] } { Inaccuracy. Kc6 was best. } { [%clk 0:00:22] } 40. Ke3 { [%eval 3.79] [%clk 0:00:48] } 40... Nb2 { [%eval 3.53] [%clk 0:00:24] } 41. Bb4+ { [%eval 3.39] [%clk 0:00:46] } 41... Kd5 { [%eval 3.82] [%clk 0:00:24] } 42. Bf8?? { [%eval 0.0] } { Blunder. a5 was best. } { [%clk 0:00:46] } 42... g5 { [%eval 0.01] [%clk 0:00:21] } 43. a5 { [%eval 0.0] [%clk 0:00:44] } 43... Nc4+ { [%eval 0.0] [%clk 0:00:22] } 44. Kd3 { [%eval 0.0] [%clk 0:00:44] } 44... Nxa5 { [%eval 0.0] [%clk 0:00:19] } 45. Bh6 { [%eval 0.0] [%clk 0:00:40] } 45... Nc6 { [%eval 0.0] [%clk 0:00:20] } 46. Bxg5 { [%eval -0.01] [%clk 0:00:40] } 46... Nxd4 { [%eval -0.02] [%clk 0:00:21] } 47. Be3 { [%eval -0.04] [%clk 0:00:35] } 47... Nc6 { [%eval 0.0] [%clk 0:00:23] } 48. Ke2 { [%eval 0.0] [%clk 0:00:36] } 48... e5 { [%eval 0.0] [%clk 0:00:23] } 49. Kf2 { [%eval 0.0] [%clk 0:00:37] } 49... Kc4 { [%eval 0.0] [%clk 0:00:24] } 50. f4 { [%eval -0.02] [%clk 0:00:38] } 50... e4 { [%eval -0.2] [%clk 0:00:25] } 51. Kg3?? { [%eval -4.71] } { Blunder. h3 was best. } { [%clk 0:00:39] } 51... Kd3 { [%eval -4.4] [%clk 0:00:27] } 52. Bc1?! { [%eval -6.2] } { Inaccuracy. Bf2 was best. } { [%clk 0:00:40] } 52... e3 { [%eval -6.42] [%clk 0:00:28] } 53. Kf3?? { [%eval #-9] } { Checkmate is now unavoidable. Bb2 was best. } { [%clk 0:00:40] } 53... Nd4+ { [%eval #-8] [%clk 0:00:29] } 54. Kg3 { [%eval -48.21] [%clk 0:00:33] } 54... Ne2+ { [%eval -9.62] [%clk 0:00:26] } 0-1