[Event "Iberoamerican-ch 9th"]
[Site "Panama City"]
[Date "2023.12.02"]
[Round "9"]
[White "Rosas Valdes, Javier Alfonso"]
[Black "Sierra, Guillermo"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1039"]
[BlackElo "1394"]
[PlyCount "77"]
[EventDate "2023.11.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAN"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. Nc3 Nf6 5. d3 Bc5 6. 0-0 Nd4 7. Nxe5 d5 8. Nxd5 0-0 9. c3 Ne6 10. Nxf6+ Qxf6 11. Nf3 Qe7 12. Be3 Bxe3 13. fxe3 a6 14. a4 Bd7 15. Ne5 Be8 16. Qf3 Ng5 17. Qf4 Ne6 18. Bxe6 Qxe6 19. Nc4 Rc8 20. Qf5 Qxf5 21. exf5 Bd7 22. b3 Rfe8 23. e4 f6 24. h3 b5 25. axb5 Bxb5 26. Nb2 Ra8 27. c4 Bc6 28. Rfe1 Rab8 29. Ra3 Rbd8 30. g4 Bb7 31. Kf2 c5 32. Na4 Rc8 33. Nb6 Rc7 34. Nd5 Rd7 35. Ra5 Rc8 36. Nb6 Rxd3 37. Nxc8 Bxc8 38. Rxc5 Bd7 39. Rd5 1-0

[Event "Iberoamerican-ch 9th"]
[Site "Panama City"]
[Date "2023.12.01"]
[Round "8"]
[White "Reinhard Moller, Friedrich Stefan"]
[Black "Rosas Valdes, Javier Alfonso"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1114"]
[BlackElo "1039"]
[PlyCount "70"]
[EventDate "2023.11.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAN"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. f4 Nc6 3. Bc4 e6 4. a3 d6 5. Nf3 Nf6 6. d3 Be7 7. Nc3 Qc7 8. 0-0 a6 9. Qe1 b5 10. Ba2 0-0 11. Bd2 Re8 12. Qg3 Nh5 13. Qf2 Bb7 14. Ng5 h6 15. Nf3 Rad8 16. Rfe1 Nf6 17. Ne2 a5 18. d4 Nxe4 19. Qe3 Nxd2 20. Qxd2 cxd4 21. Nexd4 Qb6 22. Kh1 Bf6 23. Rad1 Nxd4 24. Nxd4 e5 25. Nb3 a4 26. Nc1 exf4 27. Rxe8+ Rxe8 28. Qxf4 Qc6 29. Qd2 Bxb2 30. Bd5 Qxd5 31. Qxd5 Bxd5 32. Nd3 Bxa3 33. Kg1 Be4 34. Re1 Bc6 35. Ra1 Bc5+ 0-1

[Event "Iberoamerican-ch 9th"]
[Site "Panama City"]
[Date "2023.11.30"]
[Round "7"]
[White "Rosas Valdes, Javier Alfonso"]
[Black "Barcia Dominguez, Andrea Alejandra"]
[Result "0-1"]
[ECO "D12"]
[WhiteElo "1039"]
[BlackElo "1237"]
[PlyCount "146"]
[EventDate "2023.11.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAN"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 Bf5 5. e3 e6 6. g3 Be7 7. cxd5 Nxd5 8. Bg2 Nd7 9. 0-0 N7b6 10. Re1 Bb4 11. Bd2 Bg4 12. a3 Nxc3 13. Bxc3 Be7 14. b4 0-0 15. h3 Bh5 16. a4 Nd5 17. Qb3 Qb6 18. Rab1 Rac8 19. Ne5 Qa6 20. Bf1 b5 21. a5 Qb7 22. e4 Nf6 23. Bg2 Bg6 24. Nxg6 hxg6 25. Red1 Rfd8 26. Rb2 Rd7 27. Rbd2 Rcd8 28. d5 cxd5 29. Bxf6 gxf6 30. exd5 exd5 31. Bxd5 Qc7 32. Bxf7+ Kg7 33. Rxd7 Rxd7 34. Rxd7 Qxd7 35. Bg8 Bxb4 36. Qxb4 Kxg8 37. Kf1 Qd1+ 38. Qe1 Qxe1+ 39. Kxe1 a6 40. Kd2 Kf7 41. f4 Ke6 42. Kd3 f5 43. Kd4 Kf6 44. h4 Ke6 45. Kc5 Kd7 46. Kd5 Ke7 47. Ke5 Kd7 48. h5 gxh5 49. Kxf5 Kd6 50. Ke4 Ke6 51. f5+ Kf6 52. Kf4 b4 53. Ke3 b3 54. Kd2 b2 55. Kc2 b1Q+ 56. Kxb1 Kxf5 57. Kc2 Kg4 58. Kb3 Kxg3 59. Kb4 h4 60. Kc5 h3 61. Kb6 h2 62. Kxa6 h1Q 63. Kb6 Qb1+ 64. Kc6 Qb8 65. a6 Kf4 66. Kc5 Ke5 67. Kc6 Kd4 68. a7 Qxa7 69. Kb5 Qc7 70. Ka6 Qb8 71. Ka5 Kc4 72. Ka6 Kc5 73. Ka5 Qb5# 0-1

[Event "Iberoamerican-ch 9th"]
[Site "Panama City"]
[Date "2023.11.29"]
[Round "6"]
[White "Reinhard Moller, Gustavo"]
[Black "Rosas Valdes, Javier Alfonso"]
[Result "1-0"]
[ECO "B24"]
[WhiteElo "1320"]
[BlackElo "1039"]
[PlyCount "95"]
[EventDate "2023.11.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAN"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 e6 4. Bg2 d6 5. d3 Nf6 6. Nge2 Be7 7. 0-0 0-0 8. f4 g6 9. f5 exf5 10. Bh6 Re8 11. exf5 Bxf5 12. Nf4 Bf8 13. Bxf8 Rxf8 14. Ncd5 Nxd5 15. Nxd5 f6 16. g4 Be6 17. Qe1 Bxg4 18. Qh4 f5 19. Qh6 Rc8 20. h3 Bh5 21. Nf4 Qe8 22. Rae1 Qf7 23. Bd5 Qxd5 24. Nxd5 Ne5 25. Rxe5 dxe5 26. Ne7+ Kf7 27. Qxh7+ Kf6 28. Nxc8 Rxc8 29. Qxb7 Rh8 30. Qxa7 Be2 31. Rf2 Bd1 32. Qxc5 Rxh3 33. Qd6+ Kf7 34. Qxe5 Bf3 35. Rxf3 Rxf3 36. Qd5+ Ke7 37. Qxf3 f4 38. Qxf4 g5 39. Qxg5+ Ke6 40. c4 Kd6 41. Qd5+ Ke7 42. c5 Kf6 43. c6 Ke7 44. c7 Kf6 45. c8R Ke7 46. Rc7+ Ke8 47. Qf7+ Kd8 48. Qe7# 1-0

[Event "Iberoamerican-ch 9th"]
[Site "Panama City"]
[Date "2023.11.28"]
[Round "5"]
[White "Rosas Valdes, Javier Alfonso"]
[Black "Lobo Jimenez, Mariana Esther"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1039"]
[BlackElo "1554"]
[PlyCount "82"]
[EventDate "2023.11.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAN"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nf3 Bg4 4. Be2 Nf6 5. Nc3 Qa5 6. d3 c6 7. Bd2 Qc7 8. 0-0 e6 9. h3 h5 10. a3 Nbd7 11. d4 Bd6 12. Kh1 0-0-0 13. b4 a6 14. Re1 e5 15. dxe5 Nxe5 16. Nxe5 Bxe5 17. Bxg4+ hxg4 18. Qe2 Rhe8 19. Rad1 Bxc3 20. Bf4 Rxe2 21. Bxc7 Rxe1+ 22. Rxe1 Bxe1 23. Bxd8 Kxd8 24. Kg1 gxh3 25. gxh3 a5 26. bxa5 Bxa5 27. Kg2 b5 28. f3 Bc3 29. h4 Bb2 30. f4 Bxa3 31. f5 Ke7 32. h5 Nxh5 33. f6+ Kxf6 34. c4 bxc4 35. Kf3 c3 36. Ke4 c2 37. Kd4 c1Q 38. Ke4 Qf4+ 39. Kd3 Bb4 40. Ke2 Ng3+ 41. Kd3 Qe4# 0-1

[Event "Iberoamerican-ch 9th"]
[Site "Panama City"]
[Date "2023.11.27"]
[Round "4"]
[White "Perez, William"]
[Black "Rosas Valdes, Javier Alfonso"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "1893"]
[BlackElo "1039"]
[PlyCount "117"]
[EventDate "2023.11.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAN"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 d6 4. Bg2 Nf6 5. Nf3 e6 6. 0-0 Be7 7. d4 cxd4 8. Nxd4 d5 9. cxd5 exd5 10. Qa4 Qd7 11. Rd1 0-0 12. Nb3 Nb4 13. Qxd7 Bxd7 14. Bg5 Bc6 15. a3 Na6 16. Rd2 Rfe8 17. Bxf6 Bxf6 18. Nxd5 Bxd5 19. Bxd5 Rad8 20. Rad1 b6 21. e4 Rb8 22. f4 Nc5 23. Nxc5 bxc5 24. e5 Be7 25. a4 a5 26. b3 g6 27. Bc4 h5 28. Rd7 Rbd8 29. R1d5 Kf8 30. Ra7 Ra8 31. Rdd7 Rad8 32. Rxd8 Rxd8 33. Rxa5 Rd1+ 34. Kg2 Bd8 35. Ra8 Ke7 36. Ra7+ Rd7 37. Rxd7+ Kxd7 38. Bxf7 g5 39. Bxh5 gxf4 40. gxf4 Ke6 41. Kf3 Kf5 42. Bg4+ Kg6 43. Ke4 Kf7 44. Kd5 Be7 45. Bh5+ Kf8 46. a5 Bd8 47. a6 Bb6 48. Kd6 Kg7 49. e6 Kh6 50. Bg4 c4 51. bxc4 Bc7+ 52. Kxc7 Kg7 53. e7 Kf6 54. e8Q Kg7 55. Qe7+ Kg6 56. Qe6+ Kg7 57. Bf5 Kh8 58. Qh6+ Kg8 59. Be6# 1-0

[Event "Iberoamerican-ch 9th"]
[Site "Panama City"]
[Date "2023.11.26"]
[Round "2"]
[White "Caballero Guevara, Luis Carlos"]
[Black "Rosas Valdes, Javier Alfonso"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1353"]
[BlackElo "1039"]
[PlyCount "76"]
[EventDate "2023.11.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAN"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. cxd5 exd5 4. Nc3 Nf6 5. Bg5 Be7 6. e3 Be6 7. Nf3 Ne4 8. Bxe7 Qxe7 9. Qc2 Nxc3 10. Qxc3 Nc6 11. Bb5 Bd7 12. Ne5 Nxe5 13. Bxd7+ Nxd7 14. Qxc7 Qb4+ 15. Qc3 Qxc3+ 16. bxc3 0-0 17. Rb1 b6 18. Ke2 Nf6 19. Rb5 Rac8 20. Rc1 Ne4 21. Rb3 Rc7 22. f3 Nd6 23. Kd3 Nc4 24. e4 dxe4+ 25. fxe4 Rd8 26. Ke2 Re8 27. Kd3 Re6 28. Rb4 Nd6 29. e5 Nf5 30. g4 Ne7 31. a4 h6 32. a5 bxa5 33. Ra4 Kh7 34. Rxa5 Nc6 35. Rc5 Rd7 36. Kc4 f6 37. Kb5 a6+ 38. Kxa6 Nxd4+ 0-1

[Event "Iberoamerican-ch 9th"]
[Site "Panama City"]
[Date "2023.11.26"]
[Round "3"]
[White "Rosas Valdes, Javier Alfonso"]
[Black "Rodriguez Arrieta, Maria Elena"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1039"]
[BlackElo "1875"]
[PlyCount "54"]
[EventDate "2023.11.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAN"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Bc5 4. Bc4 Nf6 5. 0-0 d6 6. h3 0-0 7. d3 Be6 8. Bg5 h6 9. Bh4 a6 10. Nd5 Bxd5 11. Bxd5 g5 12. Bxc6 bxc6 13. Nxg5 hxg5 14. Bxg5 Kg7 15. Bxf6+ Qxf6 16. Qg4+ Qg6 17. Qxg6+ fxg6 18. c3 Rf4 19. b4 Bb6 20. a4 Raf8 21. Ra2 g5 22. a5 Ba7 23. Rd2 g4 24. hxg4 Rxg4 25. g3 Rxg3+ 26. Kh2 Rg6 27. Rg1 Rh8# 0-1

