[Event "Pan American-ch Amateur U1700"]
[Site "San Jose"]
[Date "2019.10.23"]
[Round "2.15"]
[White "Barboza Viquez, Martin Eduardo"]
[Black "Rojas Montero, Alfonso"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1397"]
[PlyCount "41"]
[EventDate "2019.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Bg5 Nc6 3. e3 f6 4. Bh4 e6 5. Nf3 Bd6 6. Bb5 Bd7 7. Nbd2 Nge7 8. c4 Bb4 9. Bg3 g6 10. Bxc6 Bxc6 11. c5 0-0 12. a3 Bxd2+ 13. Qxd2 b6 14. Rc1 Rc8 15. 0-0 Bb5 16. Rfe1 Bc4 17. Qc2 Nf5 18. b3 Bxb3 19. Qxb3 Nxg3 20. hxg3 Rb8 21. Qd3 1-0

[Event "Pan American-ch Amateur U1700"]
[Site "San Jose"]
[Date "2019.10.23"]
[Round "1.34"]
[White "Rojas Montero, Alfonso"]
[Black "Frajman Kierszenson, Lior"]
[Result "1-0"]
[ECO "B31"]
[BlackElo "1247"]
[PlyCount "111"]
[EventDate "2019.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c3 g6 4. Bb5 Bg7 5. 0-0 Nf6 6. Bxc6 bxc6 7. d3 0-0 8. Re1 d5 9. Nbd2 d4 10. Nb3 dxc3 11. Nxc5 Ng4 12. d4 cxb2 13. Bxb2 Rb8 14. Rb1 Qa5 15. h3 Nf6 16. a3 Nd7 17. Qc2 Nxc5 18. dxc5 Be6 19. Bxg7 Rxb1 20. Rxb1 Kxg7 21. Qb2+ Kg8 22. Qb4 Qxb4 23. Rxb4 Rd8 24. Rb7 Rd7 25. Rxd7 Bxd7 26. Ne5 Be8 27. f3 f6 28. Nd3 Kf7 29. Kf2 Ke6 30. Ke3 g5 31. Kd4 h5 32. Kc4 a5 33. Kb3 f5 34. Ka4 g4 35. exf5+ Kxf5 36. fxg4+ hxg4 37. hxg4+ Kxg4 38. Kxa5 Kg3 39. Kb6 Kxg2 40. a4 Kf3 41. a5 Ke4 42. a6 Kxd3 43. a7 e5 44. a8Q Bf7 45. Qa3+ Kc2 46. Kxc6 e4 47. Qe3 Bg6 48. Qf2+ Kd3 49. Qg3+ e3 50. Qxg6+ Kd2 51. Qg5 Kd3 52. Kd5 e2 53. Qg3+ Kd2 54. Qf2 Kd1 55. Qxe2+ Kxe2 56. c6 1-0

