Shymanskyi,Oleksandr vs Sierra Vallina,Lionel

1. Nf3 d5 2. b3 e6 3. Bb2 Nf6 4. d3 Be7 5. Nbd2 O-O 6. e4 b6 7. e5 Nfd7 8. d4 c5 9. c3 Ba6 10. Bxa6 Nxa6 11. Qe2 Qc8 12. O-O cxd4 13. cxd4 Nb4 14. a3 Nc6 15. Rfc1 Qb7 16. b4 Rfc8 17. Nb3 b5 18. Nc5 Nxc5 19. dxc5 a5 20. Bc3 axb4 21. axb4 h6 22. Nd4 Bg5 23. Rcb1 Nxd4 24. Bxd4 Be7 25. h3 Ra6 26. Rxa6 Qxa6 27. Ra1 Qc6 28. Ra5 Rb8 29. Qa2 f6 30. Ra6 Qd7 31. Ra8 Qc7 32. Rxb8+ Qxb8 33. f4 fxe5 34. Bxe5 Qc8 35. Qa7 Bf6 36. Bxf6 gxf6 37. Qb6 d4 38. Qxb5 Qa8 39. c6 Qa1+ 40. Kh2 Qc1 41. Qb8+ Kg7 42. Qd6 e5 43. Qd7+ Kf8 44. Qf5 Qxc6 45. fxe5 Ke7 46. Qh7+ Ke6 47. exf6 Qd6+ 48. Kh1 Qxb4 49. Qxh6 Qe1+ 50. Kh2 Qe5+ 51. Kg1 Qe1+ 52. Kh2 Qe5+ 53. g3 Qe2+ 54. Kg1 Qe1+ 55. Kg2 Qe2+ 56. Kg1 Qe1+ 57. Kg2 Qe2+ 58. Kg1