Event: Round 5: Morrison Martinez, Janis Ariane - Ospina Soto, Sara Lucia
Site: https://lichess.org/broadcast/fide-world-youth-u16-chess-olympiad-2025--matches-19/round-5/QJnNr6Ds/2GaXACa6
White: Morrison Martinez, Janis Ariane
WhiteElo: 1623
Black: Ospina Soto, Sara Lucia
BlackElo: 1536
Result: 1/2-1/2
ECO: D10
Opening: Slav Defense
Variant: Standard
TimeControl: 45+10

1. d4 { [%eval 0.17] [%clk 0:45:15] } 1... d5 { [%eval 0.2] [%clk 0:45:04] } 2. c4 { [%eval 0.18] [%clk 0:45:16] } 2... c6 { [%eval 0.21] [%clk 0:44:52] } 3. Nc3 { [%eval 0.17] [%clk 0:45:21] } 3... Nf6 { [%eval 0.2] [%clk 0:44:36] } 4. cxd5 { [%eval 0.23] [%clk 0:45:05] } 4... cxd5 { [%eval 0.2] [%clk 0:44:23] } 5. Bg5 { [%eval 0.0] [%clk 0:44:55] } 5... e6 { [%eval 0.33] [%clk 0:44:14] } 6. e3 { [%eval 0.34] [%clk 0:44:51] } 6... Nc6 { [%eval 0.31] [%clk 0:43:54] } 7. Nf3 { [%eval 0.14] [%clk 0:44:38] } 7... Be7 { [%eval 0.39] [%clk 0:43:22] } 8. Bd3 { [%eval 0.41] [%clk 0:44:08] } 8... O-O { [%eval 0.39] [%clk 0:42:41] } 9. O-O { [%eval 0.41] [%clk 0:43:52] } 9... b6 { [%eval 0.44] [%clk 0:40:00] } 10. Ne5 { [%eval 0.21] [%clk 0:43:12] } 10... Nb4 { [%eval 0.63] [%clk 0:34:26] } 11. Rc1 { [%eval 0.34] [%clk 0:39:49] } 11... Nxd3 { [%eval 0.3] [%clk 0:31:34] } 12. Qxd3 { [%eval 0.39] [%clk 0:39:52] } 12... Bb7 { [%eval 0.46] [%clk 0:31:24] } 13. a4 { [%eval 0.01] [%clk 0:38:28] } 13... Nd7 { [%eval -0.02] [%clk 0:27:24] } 14. Bxe7 { [%eval -0.06] [%clk 0:36:58] } 14... Qxe7 { [%eval -0.05] [%clk 0:27:30] } 15. f4 { [%eval -0.16] [%clk 0:36:06] } 15... Nf6 { [%eval 0.08] [%clk 0:23:33] } 16. Nb5 { [%eval 0.0] [%clk 0:34:43] } 16... Ba6 { [%eval 0.0] [%clk 0:19:02] } 17. Rc6 { [%eval -0.06] [%clk 0:29:43] } 17... Rac8 { [%eval 0.2] [%clk 0:14:05] } 18. Rfc1 { [%eval 0.02] [%clk 0:29:01] } 18... Ne4 { [%eval 0.01] [%clk 0:07:05] } 19. Rxc8 { [%eval 0.05] [%clk 0:27:15] } 19... Rxc8 { [%eval 0.09] [%clk 0:07:12] } 20. Rxc8+ { [%eval 0.02] [%clk 0:27:08] } 20... Bxc8 { [%eval 0.07] [%clk 0:07:20] } 21. Nc6 { [%eval 0.05] [%clk 0:23:56] } 21... Qd7? { [%eval 1.34] } { Mistake. Qb7 was best. } { [%clk 0:02:04] } 22. Nbxa7 { [%eval 1.3] [%clk 0:19:09] } 22... Bb7 { [%eval 1.3] [%clk 0:00:44] } 23. Qc2?! { [%eval 0.46] } { Inaccuracy. Qb5 was best. } { [%clk 0:15:28] } 23... f6 { [%eval 0.89] [%clk 0:00:23] } 24. Nb4?! { [%eval 0.07] } { Inaccuracy. b4 was best. } { [%clk 0:14:49] } 24... Ba6?? { [%eval 3.51] } { Blunder. Nd6 was best. } { [%clk 0:00:25] } 25. Nxa6 { [%eval 3.51] [%clk 0:14:22] } 25... Qxa7 { [%eval 3.47] [%clk 0:00:33] } 26. Qc8+ { [%eval 3.41] [%clk 0:13:42] } 26... Kf7 { [%eval 3.41] [%clk 0:00:41] } 27. Qc7+?! { [%eval 2.58] } { Inaccuracy. f5 was best. } { [%clk 0:13:51] } 27... Qxc7 { [%eval 2.35] [%clk 0:00:49] } 28. Nxc7 { [%eval 2.25] [%clk 0:14:00] } 28... Nd6 { [%eval 2.6] [%clk 0:00:22] } 29. Kf2?! { [%eval 1.83] } { Inaccuracy. Na8 was best. } { [%clk 0:11:09] } 29... Ke7 { [%eval 1.73] [%clk 0:00:31] } 30. g4? { [%eval 0.16] } { Mistake. Na8 was best. } { [%clk 0:11:06] } 30... Kd7 { [%eval 0.23] [%clk 0:00:18] } 31. Nb5 { [%eval 0.0] [%clk 0:11:13] } 31... Nxb5 { [%eval 0.0] [%clk 0:00:27] } 32. axb5 { [%eval 0.0] [%clk 0:11:22] } 32... Ke7 { [%eval 0.32] [%clk 0:00:35] } 33. h4 { [%eval 0.0] [%clk 0:10:43] } 33... f5 { [%eval 0.0] [%clk 0:00:38] } 34. Kf3 { [%eval 0.0] [%clk 0:10:34] } 34... g6 { [%eval 0.0] [%clk 0:00:44] } 35. h5 { [%eval 0.0] [%clk 0:09:27] } 35... gxh5 { [%eval 0.0] [%clk 0:00:52] } 36. gxh5 { [%eval 0.0] [%clk 0:08:31] } 36... h6 { [%eval 0.0] [%clk 0:01:01] } 37. b3 { [%eval 0.0] [%clk 0:08:18] } 37... Kd7 { [%eval 0.0] [%clk 0:00:59] } 38. b4 { [%eval 0.0] [%clk 0:07:51] } 38... Ke7 { [%eval 0.0] [%clk 0:01:07] } 39. Kg3 { [%eval 0.0] [%clk 0:07:59] } 39... Kd7 { [%eval 0.0] [%clk 0:01:13] } 40. Kh4 { [%eval 0.0] [%clk 0:08:07] } 40... Ke7 { [%eval 0.0] [%clk 0:01:22] } 41. Kg3 { [%eval 0.0] [%clk 0:08:08] } 41... Kd7 { [%eval 0.0] [%clk 0:01:30] } 42. Kf3 { [%eval 0.0] } 42... Ke7 { [%eval 0.0] [%clk 0:01:39] } 43. Ke2 { [%eval 0.0] } 43... Kd7 { [%eval 0.0] [%clk 0:01:48] } 44. Kd3 { [%eval 0.0] [%clk 0:08:36] } 44... Kc7 { [%eval 0.0] [%clk 0:01:51] } 45. Kc2 { [%eval 0.0] [%clk 0:08:25] } 45... Kd7 { [%eval 0.0] [%clk 0:01:59] } 46. Kb3 { [%eval 0.0] [%clk 0:08:34] } 46... Kc7 { [%eval 0.0] [%clk 0:02:08] } 47. Ka4 { [%eval 0.0] [%clk 0:08:42] } 47... Kd7 { [%eval 0.0] [%clk 0:02:14] } 48. Kb3 { [%eval 0.0] [%clk 0:08:50] } 48... Kc7 { [%eval 0.0] [%clk 0:02:23] } 49. Kb2 { [%eval 0.0] [%clk 0:08:59] } 49... Kd7 { [%eval 0.0] [%clk 0:02:28] } 50. Kc3 { [%eval 0.0] [%clk 0:09:08] } 50... Kc7 { [%eval 0.0] [%clk 0:02:36] } 51. Kd2 { [%eval 0.0] [%clk 0:09:17] } 51... Kd7 { [%eval 0.0] [%clk 0:02:45] } 52. Ke2 { [%eval 0.0] [%clk 0:09:23] } 52... Ke7 { [%eval 0.0] [%clk 0:02:45] } 53. Kd2 { [%eval 0.0] [%clk 0:09:31] } 53... Kd7 { [%eval 0.0] [%clk 0:02:54] } 54. Ke2 { [%eval 0.0] [%clk 0:09:41] } 54... Ke7 { [%eval 0.0] [%clk 0:03:02] } 55. Kd2 { [%eval 0.0] [%clk 0:09:50] } 55... Kd7 { [%eval 0.0] [%clk 0:03:11] } 56. Ke2 { [%eval 0.0] [%clk 0:09:59] } 56... Ke7 { [%eval 0.0] [%clk 0:03:20] } 57. Kd2 { [%eval 0.0] [%clk 0:10:08] } 1/2-1/2