Event: Round 9: Rendon Martinez, Isabela - Ospina Soto, Sara Lucia
Site: https://lichess.org/broadcast/fide-world-youth-u16-chess-olympiad-2025--matches-1-18/round-9/FsaVk8po/tCAFuu4D
White: Rendon Martinez, Isabela
WhiteElo: 1639
Black: Ospina Soto, Sara Lucia
BlackElo: 1536
Result: 0-1
ECO: D00
Opening: Queen's Pawn Game: Accelerated London System
Variant: Standard
TimeControl: 45+10

1. d4 { [%eval 0.17] [%clk 0:45:11] } 1... d5 { [%eval 0.2] [%clk 0:45:11] } 2. Bf4 { [%eval 0.0] [%clk 0:45:14] } 2... Bf5 { [%eval 0.12] [%clk 0:45:03] } 3. e3 { [%eval 0.1] [%clk 0:45:05] } 3... Nf6 { [%eval 0.18] [%clk 0:44:56] } 4. Nd2 { [%eval 0.11] [%clk 0:44:50] } 4... e6 { [%eval 0.12] [%clk 0:44:40] } 5. Ngf3 { [%eval 0.08] [%clk 0:44:44] } 5... Be7 { [%eval 0.2] [%clk 0:44:23] } 6. Be2 { [%eval 0.12] [%clk 0:43:08] } 6... O-O { [%eval 0.26] [%clk 0:44:12] } 7. O-O { [%eval 0.14] [%clk 0:43:09] } 7... c5 { [%eval 0.25] [%clk 0:41:28] } 8. c4 { [%eval 0.0] [%clk 0:39:56] } 8... h6 { [%eval 0.38] [%clk 0:39:21] } 9. dxc5 { [%eval 0.38] [%clk 0:35:00] } 9... Bxc5 { [%eval 0.31] [%clk 0:39:11] } 10. Nb3 { [%eval -0.01] [%clk 0:34:47] } 10... Be7 { [%eval -0.07] [%clk 0:38:16] } 11. Rc1 { [%eval -0.01] [%clk 0:31:18] } 11... Nc6 { [%eval 0.28] [%clk 0:37:07] } 12. Ne5 { [%eval -0.04] [%clk 0:25:18] } 12... Nxe5 { [%eval 0.01] [%clk 0:30:04] } 13. Bxe5 { [%eval 0.09] [%clk 0:25:15] } 13... dxc4 { [%eval 0.2] [%clk 0:28:20] } 14. Rxc4 { [%eval 0.2] [%clk 0:23:49] } 14... Rc8 { [%eval 0.22] [%clk 0:23:30] } 15. Qc1 { [%eval -0.03] [%clk 0:20:09] } 15... Rxc4 { [%eval 0.13] [%clk 0:17:25] } 16. Qxc4 { [%eval 0.14] [%clk 0:19:52] } 16... Qc8 { [%eval 0.46] [%clk 0:17:04] } 17. Qd4 { [%eval 0.27] [%clk 0:15:56] } 17... b6 { [%eval 0.53] [%clk 0:11:35] } 18. Rc1 { [%eval 0.65] [%clk 0:15:27] } 18... Qd8?! { [%eval 1.71] } { Inaccuracy. Qa8 was best. } { [%clk 0:08:11] } 19. Rc7 { [%eval 1.73] [%clk 0:14:35] } 19... a5 { [%eval 1.63] [%clk 0:03:15] } 20. Rb7 { [%eval 1.37] [%clk 0:09:34] } 20... Be4 { [%eval 1.31] [%clk 0:01:38] } 21. Rxb6 { [%eval 1.18] [%clk 0:08:15] } 21... Qxd4 { [%eval 1.51] [%clk 0:00:51] } 22. Bxd4 { [%eval 1.31] [%clk 0:07:33] } 22... Ra8?! { [%eval 2.25] } { Inaccuracy. a4 was best. } { [%clk 0:00:28] } 23. Nd2? { [%eval 0.92] } { Mistake. Ra6 was best. } { [%clk 0:04:21] } 23... Bd5 { [%eval 0.92] [%clk 0:00:20] } 24. Bf3?! { [%eval 0.28] } { Inaccuracy. a3 was best. } { [%clk 0:03:50] } 24... Bxf3? { [%eval 1.98] } { Mistake. Rc8 was best. } { [%clk 0:00:24] } 25. Nxf3 { [%eval 1.94] [%clk 0:03:56] } 25... Nd5 { [%eval 2.3] [%clk 0:00:26] } 26. Rb7 { [%eval 2.24] [%clk 0:03:45] } 26... Bd8 { [%eval 2.45] [%clk 0:00:32] } 27. Ne5 { [%eval 2.26] [%clk 0:03:48] } 27... f6 { [%eval 2.39] [%clk 0:00:34] } 28. Nc6? { [%eval 0.75] } { Mistake. Nd3 was best. } { [%clk 0:03:33] } 28... a4?? { [%eval 3.05] } { Blunder. Rc8 was best. } { [%clk 0:00:14] } 29. g3 { [%eval 2.72] [%clk 0:02:55] } 29... e5? { [%eval 4.55] } { Mistake. Rc8 was best. } { [%clk 0:00:15] } 30. Bc5?! { [%eval 2.98] } { Inaccuracy. Ba7 was best. } { [%clk 0:02:59] } 30... Ba5? { [%eval 5.02] } { Mistake. Rc8 was best. } { [%clk 0:00:17] } 31. Ra7?? { [%eval 2.24] } { Blunder. e4 was best. } { [%clk 0:01:54] } 31... Rxa7 { [%eval 1.99] [%clk 0:00:21] } 32. Bxa7 { [%eval 2.9] [%clk 0:02:01] } 32... Bb6 { [%eval 3.13] [%clk 0:00:28] } 33. e4 { [%eval 2.78] [%clk 0:01:17] } 33... Bxa7 { [%eval 2.67] [%clk 0:00:22] } 34. exd5 { [%eval 1.65] [%clk 0:01:26] } 34... Bb8?? { [%eval 7.66] } { Blunder. Bc5 was best. } { [%clk 0:00:29] } 35. Kf1?? { [%eval 3.06] } { Blunder. Nxb8 was best. } { [%clk 0:01:30] } 35... Bd6 { [%eval 3.12] [%clk 0:00:33] } 36. Ke2 { [%eval 2.97] [%clk 0:01:36] } 36... Kf8 { [%eval 3.62] [%clk 0:00:41] } 37. Kd3 { [%eval 3.65] [%clk 0:01:41] } 37... Ke8 { [%eval 3.64] [%clk 0:00:44] } 38. Kc4 { [%eval 3.76] [%clk 0:01:39] } 38... a3 { [%eval 4.53] [%clk 0:00:51] } 39. b4 { [%eval 4.32] [%clk 0:01:30] } 39... Kd7 { [%eval 4.46] [%clk 0:00:47] } 40. b5? { [%eval 2.7] } { Mistake. Na7 was best. } { [%clk 0:01:03] } 40... Kc7 { [%eval 2.77] [%clk 0:00:51] } 41. f3 { [%eval 2.33] [%clk 0:00:35] } 41... f5 { [%eval 2.54] [%clk 0:00:37] } 42. Na5 { [%eval 2.81] [%clk 0:00:19] } 42... g5?! { [%eval 4.23] } { Inaccuracy. Kb6 was best. } { [%clk 0:00:23] } 43. Nb3? { [%eval 2.47] } { Mistake. Kc3 was best. } { [%clk 0:00:24] } 43... Kb6 { [%eval 2.44] [%clk 0:00:16] } 44. Nd2 { [%eval 2.31] [%clk 0:00:29] } 44... h5 { [%eval 2.08] [%clk 0:00:22] } 45. Nf1? { [%eval 0.47] } { Mistake. h3 was best. } { [%clk 0:00:16] } 45... g4?? { [%eval 5.3] } { Blunder. Bc5 was best. } { [%clk 0:00:19] } 46. Nd2?? { [%eval 0.0] } { Blunder. fxg4 was best. } { [%clk 0:00:20] } 46... Kc7?? { [%eval 2.51] } { Blunder. Bc5 was best. } { [%clk 0:00:14] } 47. fxg4 { [%eval 3.68] [%clk 0:00:18] } 47... hxg4 { [%eval 1.92] [%clk 0:00:22] } 48. Kb3? { [%eval 0.26] } { Mistake. Nf1 was best. } { [%clk 0:00:19] } 48... Kb6 { [%eval 0.28] [%clk 0:00:30] } 49. Kc4 { [%eval 0.0] [%clk 0:00:28] } 49... Bc5 { [%eval 0.0] [%clk 0:00:30] } 50. Nb3 { [%eval 0.0] [%clk 0:00:26] } 50... Bd6 { [%eval 0.0] [%clk 0:00:39] } 51. Nd2 { [%eval 0.0] [%clk 0:00:34] } 51... Be7 { [%eval 0.05] [%clk 0:00:31] } 52. Nb3 { [%eval 0.0] [%clk 0:00:30] } 52... f4 { [%eval 0.49] [%clk 0:00:25] } 53. gxf4 { [%eval 0.0] [%clk 0:00:33] } 53... exf4 { [%eval 0.0] [%clk 0:00:34] } 54. Nd4 { [%eval -0.01] [%clk 0:00:41] } 54... f3 { [%eval 0.0] [%clk 0:00:23] } 55. Kd3 { [%eval -0.21] [%clk 0:00:48] } 55... Bd6 { [%eval -0.25] [%clk 0:00:21] } 56. h4 { [%eval -0.37] [%clk 0:00:27] } 56... gxh3 { [%eval -0.59] [%clk 0:00:25] } 57. Nxf3 { [%eval -0.84] [%clk 0:00:36] } 57... h2?! { [%eval 0.0] } { Inaccuracy. Kxb5 was best. } { [%clk 0:00:33] } 58. Nxh2 { [%eval 0.0] [%clk 0:00:40] } 58... Bxh2 { [%eval -0.02] [%clk 0:00:42] } 59. Ke4 { [%eval 0.0] [%clk 0:00:49] } 59... Kxb5 { [%eval 0.0] [%clk 0:00:49] } 60. Kf5?? { [%eval #-28] } { Checkmate is now unavoidable. Kd3 was best. } { [%clk 0:00:57] } 60... Kc5 { [%eval #-23] [%clk 0:00:58] } 61. Ke6 { [%eval #-20] [%clk 0:01:06] } 61... Bd6 { [%eval -83.08] [%clk 0:01:03] } 0-1