Event: Round 4: Beltran Serna, Ian Samuel - Andrade Salcedo, Jorge Mario
Site: https://lichess.org/broadcast/final-nacional-colombia-intercolegiados-clasico-2025--juvenil-masculino/round-4/mXCKRHbV/JCi4MWtr
Date: 2025-10-26
White: Beltran Serna, Ian Samuel
WhiteElo: 1978
Black: Andrade Salcedo, Jorge Mario
BlackElo: 2022
Result: 1-0
ECO: B32
Opening: Sicilian Defense: Kalashnikov Variation
Variant: Standard
TimeControl: 60+30

1. e4 { [%eval 0.18] [%clk 1:00:23] } 1... c5 { [%eval 0.24] [%clk 1:00:53] } 2. Nf3 { [%eval 0.2] [%clk 1:00:02] } 2... Nc6 { [%eval 0.3] [%clk 1:01:17] } 3. d4 { [%eval 0.27] [%clk 1:00:26] } 3... cxd4 { [%eval 0.27] [%clk 1:01:43] } 4. Nxd4 { [%eval 0.21] [%clk 1:00:51] } 4... e5 { [%eval 0.42] [%clk 1:02:07] } 5. Nb5 { [%eval 0.21] [%clk 1:00:11] } 5... d6 { [%eval 0.37] [%clk 1:02:25] } 6. c4 { [%eval 0.37] [%clk 1:00:06] } 6... Be7 { [%eval 0.52] [%clk 1:02:41] } 7. Bd3 { [%eval 0.38] [%clk 0:58:00] } 7... Nf6 { [%eval 0.39] [%clk 0:57:07] } 8. O-O { [%eval 0.5] [%clk 0:56:56] } 8... O-O { [%eval 0.5] [%clk 0:57:31] } 9. N1c3 { [%eval 0.31] [%clk 0:56:54] } 9... a6 { [%eval 0.3] [%clk 0:57:56] } 10. Na3 { [%eval 0.33] [%clk 0:57:19] } 10... Be6 { [%eval 0.31] [%clk 0:57:59] } 11. Nc2 { [%eval 0.4] [%clk 0:55:05] } 11... Rc8 { [%eval 0.36] [%clk 0:57:11] } 12. Nd5 { [%eval 0.3] [%clk 0:55:15] } 12... b5?! { [%eval 1.05] } { Inaccuracy. Nd7 was best. } { [%clk 0:50:30] } 13. Nxf6+ { [%eval 1.09] [%clk 0:45:29] } 13... Bxf6 { [%eval 1.17] [%clk 0:50:52] } 14. cxb5 { [%eval 1.0] [%clk 0:45:54] } 14... axb5 { [%eval 1.07] [%clk 0:51:18] } 15. Bxb5 { [%eval 1.21] [%clk 0:45:37] } 15... Qb6 { [%eval 1.08] [%clk 0:51:39] } 16. Bd3 { [%eval 0.92] [%clk 0:39:46] } 16... Ra8?! { [%eval 1.72] } { Inaccuracy. Rfd8 was best. } { [%clk 0:51:18] } 17. b3?! { [%eval 1.09] } { Inaccuracy. b4 was best. } { [%clk 0:37:31] } 17... Rfd8 { [%eval 1.1] [%clk 0:49:39] } 18. Be3 { [%eval 1.08] [%clk 0:36:12] } 18... Qa5 { [%eval 1.34] [%clk 0:47:10] } 19. Qe2 { [%eval 1.26] [%clk 0:32:42] } 19... d5 { [%eval 1.27] [%clk 0:46:04] } 20. exd5? { [%eval -0.01] } { Mistake. Rfd1 was best. } { [%clk 0:27:06] } 20... Bxd5 { [%eval 0.02] [%clk 0:45:32] } 21. Bd2 { [%eval -0.04] [%clk 0:27:16] } 21... Qb6 { [%eval 0.31] [%clk 0:43:25] } 22. Ne3 { [%eval 0.14] [%clk 0:22:41] } 22... Nd4 { [%eval 0.11] [%clk 0:34:52] } 23. Qg4 { [%eval -0.07] [%clk 0:20:04] } 23... Be6 { [%eval 0.02] [%clk 0:34:42] } 24. Qe4 { [%eval 0.06] [%clk 0:19:03] } 24... g6 { [%eval 0.07] [%clk 0:35:07] } 25. Bc4 { [%eval 0.03] [%clk 0:17:55] } 25... Nxb3 { [%eval 0.06] [%clk 0:20:59] } 26. axb3 { [%eval 0.0] [%clk 0:07:07] } 26... Rxa1 { [%eval 0.0] [%clk 0:21:17] } 27. Rxa1 { [%eval 0.0] [%clk 0:07:34] } 27... Rxd2 { [%eval 0.02] [%clk 0:21:36] } 28. h3 { [%eval 0.0] [%clk 0:05:29] } 28... Bxc4 { [%eval 0.08] [%clk 0:15:13] } 29. bxc4 { [%eval 0.03] [%clk 0:04:58] } 29... Qd4 { [%eval 0.05] [%clk 0:12:46] } 30. Ra8+ { [%eval -0.14] [%clk 0:03:10] } 30... Kg7 { [%eval -0.09] [%clk 0:13:10] } 31. Qg4 { [%eval -0.46] [%clk 0:03:11] } 31... Qxg4 { [%eval 0.0] [%clk 0:09:24] } 32. Nxg4 { [%eval -0.11] [%clk 0:03:16] } 32... Rd1+ { [%eval 0.0] [%clk 0:09:20] } 33. Kh2 { [%eval 0.0] [%clk 0:03:44] } 33... Bg5 { [%eval 0.0] [%clk 0:09:34] } 34. g3 { [%eval 0.0] [%clk 0:03:52] } 34... e4 { [%eval 0.0] [%clk 0:09:16] } 35. h4 { [%eval 0.09] [%clk 0:02:05] } 35... Bf6 { [%eval 0.0] [%clk 0:07:23] } 36. Re8 { [%eval 0.03] [%clk 0:02:05] } 36... Bd4 { [%eval 0.0] [%clk 0:07:02] } 37. Rxe4 { [%eval 0.0] [%clk 0:01:37] } 37... f5 { [%eval 0.0] [%clk 0:06:53] } 38. Ne3 { [%eval 0.0] [%clk 0:01:59] } 38... Rd2 { [%eval 0.0] [%clk 0:07:04] } 39. Re7+ { [%eval 0.0] [%clk 0:01:27] } 39... Kf8 { [%eval 0.0] [%clk 0:07:09] } 40. Nd5 { [%eval 0.0] [%clk 0:01:50] } 40... Rxf2+ { [%eval 0.0] [%clk 0:02:54] } 41. Kh3 { [%eval 0.0] [%clk 0:01:29] } 41... Rc2 { [%eval 0.0] [%clk 0:02:26] } 42. Rxh7 { [%eval -0.03] [%clk 0:01:45] } 42... Bg7 { [%eval 0.0] [%clk 0:01:43] } 43. h5 { [%eval 0.0] [%clk 0:01:14] } 43... g5 { [%eval 0.03] [%clk 0:02:12] } 44. h6 { [%eval 0.0] [%clk 0:01:28] } 44... Bb2?? { [%eval 1.96] } { Blunder. Bd4 was best. } { [%clk 0:02:27] } 45. Rb7? { [%eval 0.48] } { Mistake. Ne3 was best. } { [%clk 0:00:49] } 45... Bc1?? { [%eval 5.35] } { Blunder. Bd4 was best. } { [%clk 0:02:18] } 46. g4 { [%eval 5.16] [%clk 0:00:49] } 46... fxg4+ { [%eval 5.36] [%clk 0:02:24] } 47. Kxg4 { [%eval 4.81] [%clk 0:00:53] } 47... Rxc4+ { [%eval 5.61] [%clk 0:02:42] } 48. Kh5 { [%eval 4.99] [%clk 0:00:49] } 48... Rh4+ { [%eval 5.16] [%clk 0:02:47] } 49. Kg6 { [%eval 4.93] [%clk 0:01:12] } 49... Bf4?? { [%eval #12] } { Checkmate is now unavoidable. Ke8 was best. } { [%clk 0:01:48] } 50. Nf6 { [%eval #11] [%clk 0:01:12] } 50... Rxh6+ { [%eval #11] [%clk 0:01:46] } 51. Kxh6 { [%eval #10] [%clk 0:01:40] } 51... g4+ { [%eval #3] [%clk 0:02:16] } 52. Kg6 { [%eval #2] [%clk 0:02:08] } 1-0