Duran Vega, Sergio vs Alfaro Rojas, Alfonso Jose
ch-CRC 2011 · Round 8 · 2011.10.25 · 1/2-1/2 · B42 Sicilian Defense: Kan Variation, Polugaevsky Variation
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PGN
[Event "ch-CRC 2011"] [Site "San Jose CRC"] [Date "2011.10.25"] [Round "8"] [White "Duran Vega, Sergio"] [Black "Alfaro Rojas, Alfonso Jose"] [Result "1/2-1/2"] [PlyCount "114"] [WhiteElo "2211"] [WhiteFideId "6501311"] [WhiteTitle "IM"] [BlackElo "2239"] [BlackFideId "6500013"] [BlackTitle "FM"] [ECO "B42g"] [Source "PGNMentor"] [SourceQuality "1"] [ImportDate "2026-01-06"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Ba7 7. O-O Nc6 8. Qg4 g6 9. Qg3 Nf6 10. Bg5 h6 11. Qh4 hxg5 12. Qxh8+ Ke7 13. Qh6 g4 14. Qg5 Qc7 15. Nc3 Ne5 16. Nd2 d6 17. Kh1 Bd7 18. Be2 Rh8 19. f3 Rh5 20. Qf4 g5 21. Qg3 Qc5 22. fxg4 Rh6 23. h3 b5 24. a3 Bc6 25. Rad1 Qe3 26. Qxe3 Bxe3 27. Rxf6 Rxf6 28. Nf1 Bb6 29. Nh2 Rh6 30. Nf1 Rh8 31. Kh2 Rc8 32. Bd3 Bb7 33. Nd2 Bf2 34. Nf3 Nxg4+ 35. Kh1 Ne5 36. Nxg5 Bh4 37. Nf3 Nxf3 38. gxf3 f5 39. Rf1 Bf6 40. exf5 Bxc3 41. bxc3 e5 42. Kg2 Kf6 43. Kf2 d5 44. a4 Rxc3 45. axb5 axb5 46. Rb1 Bc6 47. h4 e4 48. fxe4 dxe4 49. Bxb5 Kxf5 50. Bxc6 Rxc2+ 51. Ke3 Rxc6 52. Rb5+ Kg4 53. Kxe4 Re6+ 54. Kd5 Rh6 55. Rb4+ Kh3 56. Ke5 Rxh4 57. Rxh4+ Kxh4 1/2-1/2