Event: Round 7: Alzate Arango, John Ubaldo - Zapata, Olga Maria
Date: 2024-06-02
White: Alzate Arango, John Ubaldo
WhiteElo: 1574
Black: Zapata, Olga Maria
BlackTitle: WFM
BlackElo: 1788
Result: 1/2-1/2
ECO: D00
Opening: Queen's Pawn Game: Accelerated London System
Variant: Standard

1. d4 { [%eval 0.14] } 1... d5 { [%eval 0.24] } 2. Bf4 { [%eval 0.0] } 2... Nf6 { [%eval 0.12] } 3. e3 { [%eval 0.07] } 3... Bf5 { [%eval 0.16] } 4. Bd3 { [%eval 0.11] } 4... Bxd3 { [%eval 0.16] } 5. Qxd3 { [%eval 0.0] } 5... c6 { [%eval 0.22] } 6. Nf3 { [%eval 0.2] } 6... Nbd7 { [%eval 0.18] } 7. O-O { [%eval 0.2] } 7... e6 { [%eval 0.26] } 8. c4 { [%eval 0.16] } 8... dxc4 { [%eval 0.27] } 9. Qxc4 { [%eval 0.27] } 9... Nb6 { [%eval 0.45] } 10. Qb3 { [%eval 0.3] } 10... Bd6 { [%eval 0.4] } 11. Ne5 { [%eval 0.03] } 11... O-O { [%eval 0.25] } 12. Nd2 { [%eval 0.0] } 12... Nh5 { [%eval 0.0] } 13. Bg3?? { [%eval -3.92] } { Blunder. Rfd1 was best. } 13... Nxg3 { [%eval -3.83] } 14. hxg3 { [%eval -3.76] } 14... Bxe5 { [%eval -3.8] } 15. Ne4 { [%eval -4.52] } 15... Bc7 { [%eval -4.6] } 16. Nc5 { [%eval -4.56] } 16... Qd5 { [%eval -3.97] } 17. Nxb7 { [%eval -3.96] } 17... Qxb3 { [%eval -4.02] } 18. axb3 { [%eval -3.93] } 18... e5 { [%eval -3.71] } 19. Rfc1 { [%eval -3.8] } 19... exd4 { [%eval -3.8] } 20. exd4 { [%eval -3.96] } 20... Nd5 { [%eval -3.98] } 21. Rxc6 { [%eval -3.99] } 21... Bb6 { [%eval -3.98] } 22. Nc5 { [%eval -4.34] } 22... Ne7 { [%eval -4.32] } 23. Rd6 { [%eval -4.3] } 23... Rfd8 { [%eval -4.28] } 24. Rxd8+ { [%eval -4.42] } 24... Rxd8 { [%eval -4.39] } 25. Re1 { [%eval -4.41] } 25... Ng6 { [%eval -4.42] } 26. Re4 { [%eval -4.55] } 26... h6 { [%eval -4.25] } 27. Na4 { [%eval -4.48] } 27... Bxd4 { [%eval -4.46] } 28. Nc3 { [%eval -4.4] } 28... Bb6 { [%eval -4.52] } 29. Re2 { [%eval -4.56] } 29... Rd4 { [%eval -4.5] } 30. Na4 { [%eval -4.58] } 30... Rd1+ { [%eval -4.57] } 31. Kh2 { [%eval -4.53] } 31... Bd4 { [%eval -4.58] } 32. f3 { [%eval -4.51] } 32... Kh7 { [%eval -4.54] } 33. Nc3 { [%eval -4.58] } 33... Rd3 { [%eval -4.54] } 34. Rc2 { [%eval -4.64] } 34... Be5 { [%eval -4.42] } 35. Kh3 { [%eval -4.53] } 35... Ne7 { [%eval -4.44] } 36. b4 { [%eval -4.62] } 36... Nf5 { [%eval -4.62] } 37. Nb5?! { [%eval -6.69] } { Inaccuracy. Ne4 was best. } 37... a6?! { [%eval -4.95] } { Inaccuracy. Rd1 was best. } 38. Nc7? { [%eval -10.85] } { Mistake. Rc5 was best. } 38... Rd6?? { [%eval -2.88] } { Blunder. Rd1 was best. } 39. b5?? { [%eval #-10] } { Checkmate is now unavoidable. Rc5 was best. } 39... axb5?? { [%eval -3.43] } { Lost forced checkmate sequence. Rd1 was best. } 40. Nxb5? { [%eval -6.67] } { Mistake. Rc5 was best. } 40... Rb6? { [%eval -3.81] } { Mistake. Rd1 was best. } 41. Rc5 { [%eval -3.76] } 41... Re6?? { [%eval 0.0] } { Blunder. Nd6 was best. } 42. f4 { [%eval 0.0] } 42... Bxb2 { [%eval 0.0] } 43. Rxf5 { [%eval 0.02] } 43... Bf6 { [%eval 0.0] } 44. Nc7 { [%eval 0.0] } 44... Re7 { [%eval 0.0] } 45. Nd5 { [%eval 0.02] } 45... Re6 { [%eval 0.0] } 46. Nxf6+ { [%eval 0.0] } 46... gxf6 { [%eval 0.0] } 47. Kg4 { [%eval 0.0] } 47... Re2 { [%eval 0.0] } 48. Kh3 { [%eval 0.0] } 48... Kg6 { [%eval 0.0] } 49. g4 { [%eval 0.0] } 49... Re3+ { [%eval 0.0] } 50. g3 { [%eval 0.0] } 50... Re1 { [%eval 0.0] } 51. Kg2 { [%eval 0.0] } 51... h5 { [%eval 0.05] } 52. Rxh5 { [%eval 0.05] } 52... Re2+ { [%eval 0.05] } 53. Kf3 { [%eval 0.05] } 53... Re7 { [%eval 0.03] } 54. Ra5 { [%eval 0.03] } 54... Rc7 { [%eval 0.03] } 55. Ra3 { [%eval 0.03] } 55... Re7 { [%eval 0.05] } 56. Re3 { [%eval 0.0] } 56... Rb7 { [%eval 0.0] } 57. Rc3 { [%eval 0.0] } 57... Re7 { [%eval 0.04] } 58. Re3 { [%eval 0.02] } 58... Rc7 { [%eval 0.02] } 59. Re8 { [%eval 0.05] } 59... Rc3+ { [%eval 0.05] } 60. Re3 { [%eval 0.0] } 60... Rc7 { [%eval 0.0] } 1/2-1/2