Event: Round 2: Castro Silva, Juan David - Vera Alean, Carlos Geronimo
Site: https://lichess.org/broadcast/final-nacional-colombia-intercolegiados-blitz-2025--juvenil-masculino/round-2/2bTosmuS/Z9k52pj9
Date: 2025-10-28
White: Castro Silva, Juan David
Black: Vera Alean, Carlos Geronimo
BlackElo: 1638
Result: 0-1
ECO: B50
Opening: Sicilian Defense: Modern Variations
Variant: Standard
TimeControl: 4+2

1. e4 { [%eval 0.18] [%clk 0:04:00] } 1... c5 { [%eval 0.24] [%clk 0:04:01] } 2. Nf3 { [%eval 0.2] [%clk 0:04:00] } 2... d6 { [%eval 0.31] [%clk 0:04:01] } 3. Bc4 { [%eval 0.0] [%clk 0:04:01] } 3... e6 { [%eval 0.2] [%clk 0:04:02] } 4. O-O { [%eval 0.16] [%clk 0:04:01] } 4... Nf6 { [%eval 0.17] [%clk 0:04:02] } 5. d3 { [%eval 0.0] [%clk 0:04:00] } 5... Be7 { [%eval 0.07] [%clk 0:04:02] } 6. Be3 { [%eval -0.22] [%clk 0:04:01] } 6... Nc6 { [%eval -0.1] [%clk 0:04:02] } 7. Nc3?? { [%eval -2.25] } { Blunder. Re1 was best. } { [%clk 0:04:01] } 7... a6?? { [%eval -0.08] } { Blunder. d5 was best. } { [%clk 0:04:03] } 8. a4?? { [%eval -3.5] } { Blunder. d4 was best. } { [%clk 0:04:00] } 8... O-O?? { [%eval -0.17] } { Blunder. d5 was best. } { [%clk 0:04:03] } 9. Qd2?? { [%eval -3.59] } { Blunder. Bf4 was best. } { [%clk 0:04:02] } 9... Na5?? { [%eval -0.24] } { Blunder. d5 was best. } { [%clk 0:03:59] } 10. b3? { [%eval -1.59] } { Mistake. Ba2 was best. } { [%clk 0:04:01] } 10... Nxc4?? { [%eval 0.27] } { Blunder. Nc6 was best. } { [%clk 0:03:59] } 11. bxc4 { [%eval 0.0] [%clk 0:04:01] } 11... b6 { [%eval 0.0] [%clk 0:04:00] } 12. d4?! { [%eval -0.58] } { Inaccuracy. Rfb1 was best. } { [%clk 0:03:37] } 12... Bb7?! { [%eval 0.16] } { Inaccuracy. cxd4 was best. } { [%clk 0:03:54] } 13. d5 { [%eval 0.17] [%clk 0:03:30] } 13... exd5 { [%eval 0.3] [%clk 0:03:52] } 14. exd5 { [%eval -0.24] [%clk 0:03:30] } 14... Ng4?! { [%eval 0.49] } { Inaccuracy. Bc8 was best. } { [%clk 0:03:44] } 15. h3?! { [%eval -0.22] } { Inaccuracy. Bf4 was best. } { [%clk 0:03:26] } 15... Nxe3 { [%eval -0.25] [%clk 0:03:44] } 16. Qxe3 { [%eval -0.24] [%clk 0:03:20] } 16... Re8 { [%eval 0.0] [%clk 0:03:45] } 17. Qd2 { [%eval -0.47] [%clk 0:03:18] } 17... Bf6 { [%eval -0.08] [%clk 0:03:46] } 18. Rfe1 { [%eval -0.46] [%clk 0:03:13] } 18... Qd7?! { [%eval 0.15] } { Inaccuracy. Bc8 was best. } { [%clk 0:03:34] } 19. Rxe8+?! { [%eval -0.65] } { Inaccuracy. Reb1 was best. } { [%clk 0:03:03] } 19... Rxe8 { [%eval -0.7] [%clk 0:03:33] } 20. Re1?? { [%eval -2.52] } { Blunder. Rb1 was best. } { [%clk 0:03:03] } 20... Rxe1+ { [%eval -2.45] [%clk 0:03:15] } 21. Qxe1 { [%eval -2.54] [%clk 0:03:04] } 21... Bxc3 { [%eval -2.47] [%clk 0:03:13] } 22. Qxc3 { [%eval -2.43] [%clk 0:03:04] } 22... Qxa4 { [%eval -2.4] [%clk 0:03:12] } 23. Nh4 { [%eval -2.78] [%clk 0:02:53] } 23... Bc8 { [%eval -3.08] [%clk 0:02:59] } 24. g4 { [%eval -2.73] [%clk 0:02:52] } 24... h6 { [%eval -2.6] [%clk 0:02:59] } 25. Nf5? { [%eval -4.52] } { Mistake. Ng2 was best. } { [%clk 0:02:52] } 25... Bxf5 { [%eval -4.38] [%clk 0:03:00] } 26. gxf5 { [%eval -4.47] [%clk 0:02:53] } 26... Qe8?! { [%eval -3.27] } { Inaccuracy. b5 was best. } { [%clk 0:02:57] } 27. Kf1?! { [%eval -4.27] } { Inaccuracy. f6 was best. } { [%clk 0:02:52] } 27... Qd7 { [%eval -3.48] [%clk 0:02:53] } 28. Qd3 { [%eval -3.64] [%clk 0:02:49] } 28... a5 { [%eval -3.52] [%clk 0:02:48] } 29. Kg2 { [%eval -4.4] [%clk 0:02:49] } 29... a4 { [%eval -3.94] [%clk 0:02:49] } 30. h4?! { [%eval -5.04] } { Inaccuracy. f6 was best. } { [%clk 0:02:48] } 30... Qa7?! { [%eval -3.86] } { Inaccuracy. Qe7 was best. } { [%clk 0:02:45] } 31. Qa3 { [%eval -4.68] [%clk 0:02:41] } 31... Qa5? { [%eval -2.59] } { Mistake. Qd7 was best. } { [%clk 0:02:43] } 32. Kf1?? { [%eval -5.58] } { Blunder. f6 was best. } { [%clk 0:02:40] } 32... Qb4 { [%eval -5.67] [%clk 0:02:44] } 33. Qxb4?! { [%eval -9.06] } { Inaccuracy. Qg3 was best. } { [%clk 0:02:40] } 33... cxb4 { [%eval -9.27] [%clk 0:02:44] } 34. Ke1? { [%eval #-15] } { Checkmate is now unavoidable. Ke2 was best. } { [%clk 0:02:41] } 34... a3 { [%eval #-14] [%clk 0:02:45] } 35. Kd2 { [%eval #-14] [%clk 0:02:42] } 35... a2 { [%eval #-15] [%clk 0:02:46] } 36. Kc1 { [%eval #-14] [%clk 0:02:43] } 36... a1=Q+ { [%eval #-13] [%clk 0:02:45] } 37. Kd2 { [%eval #-13] [%clk 0:02:44] } 37... Qd4+ { [%eval #-13] [%clk 0:02:44] } 38. Kc1 { [%eval #-10] [%clk 0:02:44] } 38... Qxf2 { [%eval #-10] [%clk 0:02:45] } 39. Kb2 { [%eval #-9] [%clk 0:02:45] } 39... Qxf5?! { [%eval -10.13] } { Lost forced checkmate sequence. Qd2 was best. } { [%clk 0:02:45] } 40. Kb3 { [%eval -78.27] [%clk 0:02:46] } 40... Qf4 { [%eval -83.0] [%clk 0:02:41] } 41. Kxb4 { [%eval -51.08] [%clk 0:02:46] } 41... Qxh4 { [%eval -13.91] [%clk 0:02:41] } 42. Kb5 { [%eval -10.68] [%clk 0:02:47] } 42... Qd8 { [%eval -54.49] [%clk 0:02:42] } 43. Ka6?! { [%eval #-10] } { Checkmate is now unavoidable. c5 was best. } { [%clk 0:02:46] } 43... h5 { [%eval #-8] [%clk 0:02:42] } 44. Kb7 { [%eval #-8] [%clk 0:02:47] } 44... h4 { [%eval #-7] [%clk 0:02:43] } 45. c5 { [%eval #-7] [%clk 0:02:48] } 45... bxc5 { [%eval #-6] [%clk 0:02:43] } 46. c4 { [%eval #-6] [%clk 0:02:49] } 46... h3 { [%eval #-5] [%clk 0:02:35] } 47. Kc6 { [%eval #-5] [%clk 0:02:49] } 47... h2 { [%eval #-4] [%clk 0:02:35] } 48. Kb7 { [%eval #-4] [%clk 0:02:50] } 48... f5 { [%eval #-3] [%clk 0:02:33] } 49. Kc6 { [%eval #-3] [%clk 0:02:50] } 49... f4 { [%eval #-4] [%clk 0:02:33] } 50. Kb7 { [%eval #-4] [%clk 0:02:51] } 50... f3 { [%eval #-3] [%clk 0:02:34] } 51. Kc6 { [%eval #-3] [%clk 0:02:50] } 51... f2 { [%eval #-4] [%clk 0:02:35] } 52. Kb7 { [%eval #-4] [%clk 0:02:51] } 52... f1=R { [%eval #-3] [%clk 0:02:34] } 53. Kc6 { [%eval #-3] [%clk 0:02:52] } 53... Rf6 { [%eval #-4] [%clk 0:02:32] } 54. Kb7 { [%eval #-4] [%clk 0:02:53] } 54... Rf7+ { [%eval #-3] [%clk 0:02:32] } 55. Kc6 { [%eval #-3] [%clk 0:02:54] } 55... Qd7+ { [%eval #-3] [%clk 0:02:12] } 56. Kb6 { [%eval #-3] [%clk 0:02:54] } 56... Qb7+ { [%eval #-2] [%clk 0:02:12] } 57. Ka5 { [%eval #-2] [%clk 0:02:55] } 57... Qb4+ { [%eval #-2] [%clk 0:02:13] } 58. Ka6 { [%eval #-2] [%clk 0:02:56] } 58... Rf8 { [%eval #-2] [%clk 0:01:53] } 59. Ka7 { [%eval #-2] [%clk 0:02:54] } 59... Rb8 { [%eval #-1] [%clk 0:01:52] } 60. Ka6 { [%eval #-1] [%clk 0:02:54] } 60... Qb6# { [%clk 0:01:48] } 0-1