Event: Round 4: Rincon Barrera, Oliver Alexander - Sebastian Rondano Pastrana
Site: https://lichess.org/broadcast/final-nacional-colombia-intercolegiados-blitz-2025--juvenil-masculino/round-4/dRUOPKrL/ps3aOBT8
Date: 2025-10-28
White: Rincon Barrera, Oliver Alexander
Black: Sebastian Rondano Pastrana
Result: 0-1
ECO: A45
Opening: Indian Defense
Variant: Standard
TimeControl: 4+2

1. d4 { [%eval 0.17] [%clk 0:04:02] } 1... Nf6 { [%eval 0.19] [%clk 0:04:03] } 2. Bf4 { [%eval 0.0] [%clk 0:04:02] } 2... e6 { [%eval 0.1] [%clk 0:04:04] } 3. e3 { [%eval 0.0] [%clk 0:04:02] } 3... d5 { [%eval 0.1] [%clk 0:04:05] } 4. Nf3 { [%eval 0.0] [%clk 0:04:03] } 4... c5 { [%eval 0.14] [%clk 0:04:06] } 5. Nbd2 { [%eval 0.07] [%clk 0:03:59] } 5... Nc6 { [%eval 0.1] [%clk 0:04:04] } 6. c3 { [%eval 0.14] [%clk 0:04:00] } 6... Bd6 { [%eval 0.13] [%clk 0:04:03] } 7. Bg3 { [%eval 0.14] [%clk 0:04:01] } 7... h5 { [%eval 0.34] [%clk 0:04:03] } 8. Be2 { [%eval 0.4] [%clk 0:03:44] } 8... Ne4?! { [%eval 1.17] } { Inaccuracy. Bxg3 was best. } { [%clk 0:04:03] } 9. O-O? { [%eval -0.09] } { Mistake. Nxe4 was best. } { [%clk 0:03:38] } 9... Nxg3 { [%eval -0.14] [%clk 0:03:52] } 10. fxg3 { [%eval -0.37] [%clk 0:03:37] } 10... Bd7 { [%eval -0.38] [%clk 0:03:43] } 11. h4?! { [%eval -1.33] } { Inaccuracy. Rc1 was best. } { [%clk 0:03:13] } 11... Bxg3 { [%eval -1.25] [%clk 0:03:42] } 12. Ng5 { [%eval -1.37] [%clk 0:03:11] } 12... f6? { [%eval 0.26] } { Mistake. f5 was best. } { [%clk 0:03:35] } 13. Nh3?? { [%eval -1.76] } { Blunder. Bxh5+ was best. } { [%clk 0:02:43] } 13... g6 { [%eval -1.2] [%clk 0:03:09] } 14. dxc5 { [%eval -1.41] [%clk 0:02:43] } 14... Qe7 { [%eval -1.21] [%clk 0:03:08] } 15. b4 { [%eval -1.24] [%clk 0:02:42] } 15... O-O-O?! { [%eval -0.46] } { Inaccuracy. Ne5 was best. } { [%clk 0:03:07] } 16. b5 { [%eval -0.42] [%clk 0:02:28] } 16... Ne5 { [%eval -0.27] [%clk 0:03:05] } 17. c6 { [%eval -0.29] [%clk 0:02:23] } 17... bxc6 { [%eval -0.34] [%clk 0:02:26] } 18. bxc6 { [%eval -0.51] [%clk 0:02:24] } 18... Bxc6 { [%eval -0.57] [%clk 0:02:20] } 19. Ba6+? { [%eval -1.82] } { Mistake. Nb3 was best. } { [%clk 0:02:24] } 19... Kd7 { [%eval -1.63] [%clk 0:02:07] } 20. e4? { [%eval -3.1] } { Mistake. Nb3 was best. } { [%clk 0:02:20] } 20... Qc5+ { [%eval -3.08] [%clk 0:01:45] } 21. Kh1 { [%eval -2.94] [%clk 0:02:14] } 21... Bxh4? { [%eval -1.11] } { Mistake. Ke7 was best. } { [%clk 0:01:18] } 22. Rb1? { [%eval -2.34] } { Mistake. exd5 was best. } { [%clk 0:02:06] } 22... Qxc3?? { [%eval -0.01] } { Blunder. Ke7 was best. } { [%clk 0:01:09] } 23. exd5?? { [%eval -2.81] } { Blunder. Nf3 was best. } { [%clk 0:01:34] } 23... Bxd5 { [%eval -2.49] [%clk 0:00:55] } 24. Bb5+?? { [%eval -5.74] } { Blunder. Ne4 was best. } { [%clk 0:01:31] } 24... Nc6?? { [%eval 4.83] } { Blunder. Ke7 was best. } { [%clk 0:00:51] } 25. Ne4 { [%eval 4.78] [%clk 0:01:24] } 25... Qxh3+ { [%eval 5.43] [%clk 0:00:46] } 26. gxh3 { [%eval 4.97] [%clk 0:01:24] } 26... Ke7 { [%eval 4.87] [%clk 0:00:43] } 27. Re1? { [%eval 3.05] } { Mistake. Qa4 was best. } { [%clk 0:00:51] } 27... Bxe4+ { [%eval 3.34] [%clk 0:00:42] } 28. Rxe4 { [%eval 3.4] [%clk 0:00:51] } 28... Rxd1+ { [%eval 3.22] [%clk 0:00:43] } 29. Rxd1 { [%eval 3.07] [%clk 0:00:52] } 29... Ne5 { [%eval 3.21] [%clk 0:00:18] } 30. Rxh4 { [%eval 3.06] [%clk 0:00:48] } 30... g5 { [%eval 3.72] [%clk 0:00:18] } 31. Rhd4 { [%eval 3.0] [%clk 0:00:41] } 31... f5 { [%eval 2.89] [%clk 0:00:18] } 32. Rc1 { [%eval 2.3] [%clk 0:00:38] } 32... Kf6 { [%eval 2.83] [%clk 0:00:13] } 33. Rc7? { [%eval 1.39] } { Mistake. Ba4 was best. } { [%clk 0:00:29] } 33... Rb8 { [%eval 1.41] [%clk 0:00:10] } 34. Bd7? { [%eval 0.12] } { Mistake. Be2 was best. } { [%clk 0:00:27] } 34... Rb1+?! { [%eval 0.85] } { Inaccuracy. Rb2 was best. } { [%clk 0:00:08] } 35. Kg2 { [%eval 0.81] [%clk 0:00:27] } 35... Rb2+ { [%eval 0.66] [%clk 0:00:06] } 36. Kg1?? { [%eval -6.26] } { Blunder. Kf1 was best. } { [%clk 0:00:24] } 36... Nf3+ { [%eval -6.12] [%clk 0:00:06] } 37. Kf1 { [%eval -6.01] [%clk 0:00:24] } 37... Nxd4 { [%eval -6.07] [%clk 0:00:07] } 38. Ke1 { [%eval -6.48] [%clk 0:00:10] } 38... Nf3+ { [%eval -6.11] [%clk 0:00:07] } 39. Kf1 { [%eval -6.12] [%clk 0:00:11] } 39... Nd2+ { [%eval -6.01] [%clk 0:00:07] } 40. Ke1 { [%eval -6.57] [%clk 0:00:12] } 40... Ne4 { [%eval -5.77] [%clk 0:00:08] } 41. Kf1 { [%eval -6.07] [%clk 0:00:12] } 41... Rxa2 { [%eval -5.99] [%clk 0:00:09] } 42. Rc6 { [%eval -6.03] [%clk 0:00:04] } 42... Ng3+ { [%eval -6.15] [%clk 0:00:08] } 43. Ke1 { [%eval -6.26] [%clk 0:00:04] } 43... Ra1+ { [%eval -5.91] [%clk 0:00:07] } 44. Kd2 { [%eval -5.9] [%clk 0:00:05] } 44... Ne4+ { [%eval -5.72] [%clk 0:00:08] } 0-1