[Event "Pan American-ch Amateur U1700"]
[Site "San Jose"]
[Date "2019.10.23"]
[Round "2.1"]
[White "Guevara Cornejo, Gabriel"]
[Black "Osorio Castanon, Juan Gera"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "1338"]
[BlackElo "1667"]
[PlyCount "88"]
[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 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 d6 5. Nc3 Nf6 6. h3 g6 7. Be3 Bg7 8. Qd2 Nd7 9. Bb5 Nxd4 10. Bxd4 Bxd4 11. Qxd4 0-0 12. Bxd7 Bxd7 13. Nd5 f6 14. Qc4 Be6 15. Qxc7 Bxd5 16. Qxd8 Raxd8 17. exd5 Rc8 18. Rc1 Rc5 19. c4 Rfc8 20. b3 Rxd5 21. Ke2 Re8+ 22. Kf3 Rd3+ 23. Kf4 Re2 24. Rhf1 Kf7 25. h4 Rxa2 26. Rb1 Rdd2 27. Kg3 Rd3+ 28. f3 b6 29. Ra1 Rdd2 30. Rg1 Rxg2+ 31. Rxg2 Rxa1 32. Rd2 Ke6 33. Re2+ Kd7 34. f4 Rc1 35. Re3 f5 36. Kg2 Rc2+ 37. Kg1 Rd2 38. h5 Rd4 39. hxg6 hxg6 40. Rf3 Re4 41. Kf2 Kc6 42. Kg3 d5 43. cxd5+ Kxd5 44. Rc3 Rb4 0-1

[Event "Pan American-ch Amateur U1700"]
[Site "San Jose"]
[Date "2019.10.23"]
[Round "1.1"]
[White "Osorio Castanon, Juan Gera"]
[Black "Ramirez Aguilar, Julian"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "1667"]
[BlackElo "1212"]
[PlyCount "59"]
[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. f4 Nc6 3. Nf3 d6 4. h3 g6 5. c3 Bg7 6. Be2 Nf6 7. d3 e6 8. Be3 b6 9. Nbd2 d5 10. e5 Ng8 11. d4 c4 12. Nh2 Qh4+ 13. Kf1 Qg3 14. Ndf3 Nge7 15. Qd2 Bh6 16. Ng4 Nf5 17. Nxh6 Nxe3+ 18. Qxe3 Ne7 19. Ng4 Nf5 20. Qd2 h5 21. Nf6+ Kf8 22. h4 b5 23. Rh3 Qxh3 24. gxh3 a5 25. Kf2 Rb8 26. Bd1 a4 27. Bc2 Ne7 28. b3 axb3 29. axb3 Nc6 30. b4 1-0

[Event "Pan American-ch Amateur U1700"]
[Site "San Jose"]
[Date "2019.10.??"]
[Round "6"]
[White "Barboza Viquez, Martin Eduardo"]
[Black "Osorio Castanon, Juan Gera"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1397"]
[BlackElo "1667"]
[PlyCount "92"]
[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 Nf6 2. Bg5 e6 3. Bxf6 Qxf6 4. e3 d5 5. g3 c5 6. c3 cxd4 7. cxd4 Bb4+ 8. Nc3 Bd7 9. a3 Bd6 10. Bg2 Bc6 11. Nge2 Nd7 12. 0-0 g5 13. b4 a6 14. Nc1 h5 15. Nb3 g4 16. Nc5 Qg7 17. Qb3 h4 18. a4 Nxc5 19. bxc5 Bc7 20. a5 hxg3 21. hxg3 Qh6 22. Rfb1 Bxg3 23. Qc2 Bh2+ 24. Kf1 f5 25. Ke2 Bc7 26. Qa2 Qf6 27. Bxd5 exd5 28. Nxd5 Qf7 29. Nxc7+ Qxc7 30. Qe6+ Qe7 31. Qa2 Qe4 32. Rb6 Bb5+ 33. Rxb5 axb5 34. Qb2 0-0-0 35. Rf1 g3 36. Qxb5 g2 37. Rg1 Rh1 38. a6 Rxg1 39. a7 Qc2+ 40. Kf3 Qd1+ 41. Kf4 Qg4+ 42. Ke5 Qe4+ 43. Kf6 Rf8+ 44. Kg7 Qe7+ 45. Kg6 Qf6+ 46. Kh5 Rh1# 0-1

[Event "Pan American-ch Amateur U1700"]
[Site "San Jose"]
[Date "2019.10.??"]
[Round "4"]
[White "Melendez Arce, Caleth"]
[Black "Osorio Castanon, Juan Gera"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1628"]
[BlackElo "1667"]
[PlyCount "129"]
[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 Nf6 2. Bf4 e6 3. e3 d5 4. Nf3 b6 5. Nbd2 c5 6. c3 c4 7. Ne5 Bd7 8. e4 Nc6 9. Nxd7 Nxd7 10. exd5 exd5 11. Qf3 Qe7+ 12. Be2 Nf6 13. Nxc4 Qe4 14. Nd2 Qxf3 15. Nxf3 0-0-0 16. Ba6+ Kd7 17. Bb5 Bd6 18. Bxd6 Kxd6 19. Bxc6 Kxc6 20. Ne5+ Kc7 21. Nxf7 Rde8+ 22. Ne5 Ng4 23. f4 Rhf8 24. 0-0 Ne3 25. Rf2 Nc4 26. g3 Nd6 27. Re2 Nf5 28. Rae1 Nd6 29. Kg2 b5 30. Nd3 Rxe2+ 31. Rxe2 Rf7 32. Nb4 Nc4 33. b3 Nb6 34. Re5 Kd6 35. Nd3 Nd7 36. Re8 Nf6 37. Rb8 Ne4 38. Rxb5 Nxc3 39. Ra5 Rc7 40. Rc5 Nxa2 41. Ra5 Nc3 42. Nc5 Kc6 43. b4 Ne2 44. Ne6 Rd7 45. Kf2 Re7 46. f5 g6 47. Ra6+ Kb5 48. Rd6 Nc3 49. f6 Rf7 50. Ng5 Rf8 51. Re6 Ne4+ 52. Nxe4 dxe4 53. Ke3 Kxb4 54. Kxe4 a5 55. Ke5 a4 56. Ra6 a3 57. Ke6 Kb3 58. Ke7 Rb8 59. f7 Rb7+ 60. Kf6 Rb8 61. Kg7 Rb7 62. Kg8 Ka2 63. f8Q Rb3 64. Qf7 Kb2 65. Qxb3+ 1-0

[Event "Pan American-ch Amateur U1700"]
[Site "San Jose"]
[Date "2019.10.??"]
[Round "3"]
[White "Osorio Castanon, Juan Gera"]
[Black "Vasquez Jaen, Lourdes Lorena"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1667"]
[BlackElo "1482"]
[PlyCount "115"]
[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 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. h3 d6 6. d3 h6 7. 0-0 a6 8. Nh2 Na5 9. Bb3 Nxb3 10. axb3 0-0 11. Kh1 d5 12. Qf3 Be6 13. Qg3 dxe4 14. Bxh6 Nh5 15. Qxe5 gxh6 16. Qxh5 Qg5 17. Qxg5+ hxg5 18. Nxe4 Be7 19. Nf3 g4 20. hxg4 Bxg4 21. Nh2 Be6 22. f4 f5 23. Nc3 Bf6 24. Nf3 Rf7 25. g3 Rg7 26. Kg2 Kf7 27. Rh1 Rag8 28. Rh3 Ke7 29. Rah1 Rg4 30. Kf2 Kd6 31. Re1 b5 32. Ne5 Bxe5 33. Rxe5 R4g6 34. b4 c6 35. Ne2 Bc8 36. Rh7 Re6 37. Rxe6+ Bxe6 38. Nd4 Bd7 39. Rh6+ Kc7 40. Rf6 Rh8 41. Kg2 Rh5 42. Ne6+ Bxe6 43. Rxe6 Kd7 44. Rf6 Kc7 45. Rg6 Rh7 46. Rg5 Rf7 47. Kf3 Kd6 48. g4 fxg4+ 49. Rxg4 Kd5 50. Rg5+ Ke6 51. Re5+ Kd6 52. Re2 Kd5 53. Kg4 Rg7+ 54. Kf5 Rf7+ 55. Kg5 Rg7+ 56. Kf6 Rg8 57. f5 Rf8+ 58. Kg6 1-0

[Event "Pan American-ch Amateur U1700"]
[Site "San Jose"]
[Date "2019.10.??"]
[Round "7"]
[White "Valverde Mora, Mauricio"]
[Black "Osorio Castanon, Juan Gera"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "1600"]
[BlackElo "1667"]
[PlyCount "63"]
[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. c4 e5 2. g3 Be7 3. Bg2 d6 4. Nc3 c6 5. d4 Bg4 6. Nf3 Nd7 7. e4 Bf6 8. d5 c5 9. Be3 Nb6 10. Qd3 Ne7 11. h3 Bd7 12. a4 a6 13. a5 Nbc8 14. 0-0 h6 15. Rfb1 b6 16. axb6 Nxb6 17. b4 cxb4 18. Rxb4 Nbc8 19. Rb7 g5 20. Nd2 a5 21. Nb5 Bxb5 22. Rxb5 Ng6 23. Qc3 a4 24. Qb4 h5 25. c5 dxc5 26. Bxc5 Be7 27. Nc4 Qd7 28. Bxe7 Ngxe7 29. Rb7 Qd8 30. d6 Nc6 31. Qc5 Nb8 32. Qxe5+ 1-0

[Event "Pan American-ch U18"]
[Site "Oaxtepec"]
[Date "2014.07.11"]
[Round "1"]
[White "Osorio Castanon, Juan Gera"]
[Black "Gracia Alvarez, Gerardo Antonio"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1655"]
[BlackElo "2059"]
[PlyCount "116"]
[EventDate "2014.07.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nc6 3. d3 Nf6 4. Be2 g6 5. Be3 d6 6. f4 Bg7 7. Nf3 0-0 8. 0-0 c4 9. d4 Nxe4 10. Bxc4 d5 11. Bd3 Nd6 12. h3 Bd7 13. Nbd2 Rc8 14. Ne5 Na5 15. Qf3 Be6 16. Qg3 Bf5 17. Bxf5 Nxf5 18. Qf3 e6 19. Bf2 Nd6 20. g4 f5 21. g5 Ne4 22. Be3 Bxe5 23. dxe5 Nxd2 24. Bxd2 Nc4 25. Bc1 Rf7 26. b3 Nb6 27. Bb2 Qc7 28. Rac1 Qc5+ 29. Qf2 Rfc7 30. Qxc5 Rxc5 31. Rfd1 R5c6 32. Kf2 Nd7 33. c4 Nb6 34. cxd5 Nxd5 35. Kf3 Rc2 36. Rxc2 Rxc2 37. Bd4 a6 38. a4 Kf7 39. Rd3 Rh2 40. Kg3 Rxh3+ 41. Kxh3 Nxf4+ 42. Kg3 Nxd3 43. Kf3 Nb4 44. Bc5 Nc6 45. Kf4 Kg7 46. b4 b5 47. axb5 axb5 48. Bd6 h6 49. gxh6+ Kxh6 50. Bf8+ Kh5 51. Bd6 g5+ 52. Kg3 Nd4 53. Bc5 f4+ 54. Kf2 Nc6 55. Bd6 g4 56. Kg2 Kg5 57. Bc5 Kf5 58. Kh1 Nxe5 0-1

