Event: Ronda 1: Vallejo, Flavieth - Ospina Castro, Santiago
Date: 2024-09-28
White: Vallejo, Flavieth
WhiteElo: 1784
Black: Ospina Castro, Santiago
BlackTitle: FM
BlackElo: 2106
Result: 0-1
ECO: B50
Opening: Sicilian Defense: Modern Variations
Variant: Standard

1. e4 { [%eval 0.18] } 1... c5 { [%eval 0.25] } 2. Nf3 { [%eval 0.31] } 2... d6 { [%eval 0.21] } 3. d3 { [%eval -0.06] } 3... Nc6 { [%eval 0.02] } 4. g3 { [%eval -0.14] } 4... g6 { [%eval -0.14] } 5. Bg2 { [%eval -0.17] } 5... Bg7 { [%eval -0.1] } 6. Nbd2 { [%eval -0.34] } 6... e5 { [%eval -0.3] } 7. O-O { [%eval -0.27] } 7... Nge7 { [%eval -0.23] } 8. c3 { [%eval -0.3] } 8... O-O { [%eval -0.35] } 9. Qb3 { [%eval -0.77] } 9... Rb8 { [%eval -0.82] } 10. a4 { [%eval -0.81] } 10... Be6 { [%eval -0.85] } 11. Qc2 { [%eval -0.78] } 11... h6 { [%eval -0.78] } 12. Re1 { [%eval -0.97] } 12... a6 { [%eval -0.56] } 13. Nc4 { [%eval -0.5] } 13... b5 { [%eval -0.24] } 14. axb5 { [%eval -0.25] } 14... axb5 { [%eval -0.22] } 15. Ne3 { [%eval -0.29] } 15... f5 { [%eval -0.24] } 16. Bh3 { [%eval -0.37] } 16... Qd7 { [%eval -0.31] } 17. Qe2 { [%eval -0.68] } 17... f4 { [%eval -0.73] } 18. Bxe6+ { [%eval -0.67] } 18... Qxe6 { [%eval -0.68] } 19. Nf1 { [%eval -0.62] } 19... g5 { [%eval -0.34] } 20. N1d2?! { [%eval -1.19] } { Inaccuracy. h4 was best. } 20... g4 { [%eval -0.74] } 21. Nh4 { [%eval -0.7] } 21... Bf6 { [%eval -0.72] } 22. Nf5 { [%eval -0.76] } 22... Nxf5 { [%eval -0.87] } 23. exf5 { [%eval -0.71] } 23... Qxf5 { [%eval -0.85] } 24. Qe4 { [%eval -0.83] } 24... Ne7 { [%eval -0.65] } 25. Qxf5?! { [%eval -1.4] } { Inaccuracy. Ra6 was best. } 25... Nxf5 { [%eval -1.47] } 26. gxf4 { [%eval -1.71] } 26... exf4 { [%eval -1.6] } 27. Ne4?! { [%eval -2.4] } { Inaccuracy. h3 was best. } 27... Bg5? { [%eval -1.03] } { Mistake. Be5 was best. } 28. Ra6? { [%eval -2.28] } { Mistake. h3 was best. } 28... Rbe8 { [%eval -2.02] } 29. Rd1?! { [%eval -2.82] } { Inaccuracy. Kf1 was best. } 29... Ra8? { [%eval -1.44] } { Mistake. c4 was best. } 30. Rxa8 { [%eval -1.38] } 30... Rxa8 { [%eval -1.32] } 31. f3?! { [%eval -2.12] } { Inaccuracy. h3 was best. } 31... gxf3? { [%eval -0.75] } { Mistake. Ra1 was best. } 32. Kf2 { [%eval -0.78] } 32... Ra1?! { [%eval 0.0] } { Inaccuracy. Kf7 was best. } 33. Rg1 { [%eval 0.0] } 33... Kf7 { [%eval 0.0] } 34. Nxg5+ { [%eval 0.0] } 34... hxg5 { [%eval 0.0] } 35. Rxg5 { [%eval 0.0] } 35... Rxc1 { [%eval 0.0] } 36. Rxf5+ { [%eval 0.0] } 36... Ke6 { [%eval 0.0] } 37. Rxf4 { [%eval 0.0] } 37... Rc2+ { [%eval 0.0] } 38. Kxf3 { [%eval 0.0] } 38... Rxh2 { [%eval 0.0] } 39. b4 { [%eval 0.0] } 39... Rc2 { [%eval 0.0] } 40. Ke3 { [%eval 0.0] } 40... Rxc3 { [%eval 0.0] } 41. Kd2 { [%eval 0.0] } 41... Ra3 { [%eval 0.0] } 42. bxc5 { [%eval 0.0] } 42... dxc5 { [%eval 0.0] } 43. Kc2 { [%eval 0.0] } 43... b4 { [%eval 0.0] } 44. Rh4 { [%eval 0.0] } 44... Rc3+ { [%eval 0.0] } 45. Kd2 { [%eval 0.0] } 45... Kd5 { [%eval 0.0] } 46. Rh8 { [%eval -0.04] } 46... Kc6 { [%eval 0.0] } 47. Rb8 { [%eval 0.0] } 47... Rb3 { [%eval 0.0] } 48. Kc2 { [%eval 0.0] } 48... Ra3 { [%eval 0.0] } 49. d4 { [%eval 0.0] } 49... Rc3+ { [%eval 0.0] } 50. Kd2 { [%eval 0.0] } 50... Kd5 { [%eval 0.0] } 51. dxc5 { [%eval 0.0] } 51... Kc4 { [%eval 0.0] } 52. c6 { [%eval 0.0] } 52... Kb3 { [%eval 0.0] } 53. Rc8 { [%eval 0.0] } 53... Kb2 { [%eval 0.0] } 54. c7?? { [%eval -5.84] } { Blunder. Rb8 was best. } 54... b3 { [%eval -5.46] } 55. Kd1 { [%eval -5.45] } 55... Rd3+ { [%eval -4.9] } 56. Ke2 { [%eval -6.26] } 56... Rd7 { [%eval -6.12] } 57. Rb8 { [%eval -6.18] } 57... Rxc7 { [%eval -5.42] } 58. Kd3 { [%eval -5.12] } 58... Ka2 { [%eval -6.62] } 59. Ra8+ { [%eval -7.05] } 59... Kb1 { [%eval -7.02] } 60. Rb8 { [%eval -7.48] } 60... b2 { [%eval -6.29] } 61. Kd2?! { [%eval -9.41] } { Inaccuracy. Ke4 was best. } 61... Rc5 { [%eval -9.25] } 62. Rb7 { [%eval -9.86] } 62... Rc8 { [%eval -7.09] } 63. Rb6 { [%eval -8.35] } 63... Rd8+ { [%eval -10.4] } 64. Kc3?? { [%eval #-22] } { Checkmate is now unavoidable. Ke3 was best. } 64... Kc1 { [%eval -5.07] } 65. Rh6?? { [%eval #-10] } { Checkmate is now unavoidable. Rxb2 was best. } 65... b1=Q { [%eval #-9] } 0-1