[Event "Balmaceda Segura Memorial op"]
[Site "Santa Barbara de Heredia"]
[Date "2022.06.25"]
[Round "6"]
[White "Badilla Hernandez, Johans"]
[Black "Quiros Cajina, Allan"]
[Result "0-1"]
[ECO "D43"]
[WhiteElo "1545"]
[BlackElo "1551"]
[PlyCount "81"]
[EventDate "2022.05.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bf4 Bb4 6. Rc1 Qa5 7. a3 Bxc3+ 8. bxc3 Ne4 9. Qb3 dxc4 10. Qb4 Qxb4 11. cxb4 b5 12. e3 Nd7 13. a4 Ndf6 14. Ne5 Bb7 15. f3 g5 16. fxe4 gxf4 17. exf4 Nxe4 18. Be2 Rd8 19. Nf3 Nf6 20. 0-0 Nd5 21. Rfd1 Nxf4 22. Kf2 Rg8 23. g3 Nd5 24. Ne5 f6 25. Ng4 Ke7 26. Bf3 Nxb4 27. axb5 Nd3+ 28. Rxd3 cxd3 29. bxc6 Rc8 30. Ra1 Bxc6 31. Rxa7+ Bd7 32. Rxd7+ Kxd7 33. Nxf6+ Kd6 34. Nxg8 Rxg8 35. Ke3 Rf8 36. Be4 h6 37. h4 Rg8 38. Kf2 d2 39. Bf3 Rf8 40. Ke3 Rxf3+ 41. Kxf3 0-1

[Event "Balmaceda Segura Memorial op"]
[Site "Santa Barbara de Heredia"]
[Date "2022.06.11"]
[Round "4"]
[White "Guillen Murillo, Sergio Guillermo"]
[Black "Quiros Cajina, Allan"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "1739"]
[BlackElo "1551"]
[PlyCount "75"]
[EventDate "2022.05.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. d3 e6 3. Nf3 Nc6 4. g3 Qc7 5. Bg2 Nf6 6. 0-0 b5 7. a4 b4 8. Re1 d6 9. Nbd2 Bb7 10. Nc4 a5 11. Bf4 Nh5 12. Bd2 Be7 13. b3 Nf6 14. h3 0-0 15. Bf4 Nd7 16. g4 Nd4 17. Nxd4 cxd4 18. Bg3 e5 19. Qe2 Nb6 20. Nd2 Rac8 21. Rac1 Qd8 22. f4 Bh4 23. Qf2 Bxg3 24. Qxg3 Rc5 25. Rf1 Qc7 26. Nc4 Nd7 27. g5 d5 28. exd5 Bxd5 29. Bxd5 Rxd5 30. f5 Nb6 31. f6 Nxc4 32. dxc4 Rd7 33. Rf5 e4 34. Qxc7 Rxc7 35. Re1 Re8 36. Rd5 gxf6 37. gxf6 Rc6 38. Rxe4 1-0

[Event "Balmaceda Segura Memorial op"]
[Site "Santa Barbara de Heredia"]
[Date "2022.06.04"]
[Round "3"]
[White "Quiros Cajina, Allan"]
[Black "Bolanos Arguello, Alexis"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "1551"]
[PlyCount "76"]
[EventDate "2022.05.21"]
[EventType "swiss"]
[EventRounds "6"]
[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 Nf6 5. Nc3 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 Nxd5 9. Bd2 Qe7+ 10. Be2 Ba6 11. Nxd5 Bxd2+ 12. Qxd2 cxd5 13. 0-0 Bxe2 14. Rfe1 0-0 15. Rxe2 Qd6 16. Rd1 c6 17. Qd4 Rfe8 18. Rxe8+ Rxe8 19. g3 Qe7 20. Qc3 Qe2 21. Qd3 Re4 22. Kg2 f5 23. Rd2 Qh5 24. f3 Re7 25. Qa6 Qe8 26. Kf2 Re1 27. Re2 Rxe2+ 28. Qxe2 Qxe2+ 29. Kxe2 Kf7 30. Ke3 Ke6 31. Kd4 Kd6 32. b4 a6 33. f4 g6 34. h3 h6 35. h4 a5 36. a3 axb4 37. axb4 h5 38. c3 Kc7 1/2-1/2

[Event "Balmaceda Segura Memorial op"]
[Site "Santa Barbara de Heredia"]
[Date "2022.05.28"]
[Round "2"]
[White "Quiros Cajina, Allan"]
[Black "Jimenez Esquivel, Greivin"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "1551"]
[BlackElo "1904"]
[PlyCount "162"]
[EventDate "2022.05.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. d3 Nf6 4. g3 e6 5. Bg2 d5 6. f4 dxe4 7. Nxe4 Be7 8. Be3 e5 9. h3 exf4 10. Bxf4 0-0 11. Ne2 Nh5 12. 0-0 Nxf4 13. Nxf4 c4 14. Kh1 Qb6 15. Rb1 cxd3 16. Nxd3 Be6 17. a3 Rad8 18. Qh5 Rd5 19. Qe2 Rb5 20. Nc3 Rg5 21. Ne4 Rf5 22. Rxf5 Bxf5 23. Rf1 Bg6 24. c3 h6 25. Nf4 Rd8 26. Nxg6 fxg6 27. Nf2 Bd6 28. Qe6+ Kh7 29. Ne4 Be5 30. b3 Qe3 31. Nf6+ gxf6 32. Bxc6 Rg8 33. Bd5 Rg7 34. Qg4 Qxc3 35. Qf3 Qxf3+ 36. Rxf3 b6 37. Kg2 Rc7 38. Rd3 Kg7 39. Bc4 Re7 40. a4 f5 41. Rd1 Bc7 42. Rd3 g5 43. Kf3 f4 44. gxf4 Bxf4 45. Bb5 Kf6 46. h4 Bc7 47. Rd7 g4+ 48. Kxg4 Re4+ 49. Kf3 Rf4+ 50. Ke3 Be5 51. Rxa7 Rxh4 52. Bc4 Bd4+ 53. Kf3 Bc5 54. Ra6 Ke5 55. a5 bxa5 56. Rxa5 Kd4 57. Ra6 Rh3+ 58. Kg4 Rh1 59. Ra2 Kc3 60. Rg2 h5+ 61. Kf3 h4 62. Rg8 Bd6 63. Kg2 Rh2+ 64. Kg1 Bg3 65. Rg4 Rb2 66. Rg8 Kd2 67. Re8 Kc3 68. Re2 Rb1+ 69. Kg2 Ra1 70. Bd5 Kd4 71. Bc4 Ra7 72. Rd2+ Ke3 73. Rd1 Ra2+ 74. Kh1 h3 75. Bd5 Ke2 76. Rb1 Rd2 77. Bb7 Bf4 78. b4 Kf2 79. b5 Be3 80. Bc6 Kg3 81. Bb7 Rh2# 0-1

[Event "Balmaceda Segura Memorial op"]
[Site "Santa Barbara de Heredia"]
[Date "2022.05.21"]
[Round "1"]
[White "Quesada Leon, Joshua"]
[Black "Quiros Cajina, Allan"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "1868"]
[BlackElo "1551"]
[PlyCount "102"]
[EventDate "2022.05.21"]
[EventType "swiss"]
[EventRounds "6"]
[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. d3 e6 4. g3 Nf6 5. Bg2 a6 6. 0-0 b5 7. Nbd2 Bb7 8. c3 Qc7 9. Qe2 d6 10. Re1 Be7 11. Nf1 0-0 12. h4 Rac8 13. N1h2 Nd7 14. Bd2 Nce5 15. Nxe5 dxe5 16. f4 c4 17. d4 exd4 18. cxd4 Nf6 19. g4 Rfd8 20. g5 Ne8 21. Be3 c3 22. bxc3 Qxc3 23. Rac1 Qa5 24. h5 Bb4 25. Red1 Rxc1 26. Rxc1 Nd6 27. Bf2 Bd2 28. Rc5 Bxf4 29. g6 Rc8 30. e5 Rxc5 31. dxc5 Bxg2 32. exd6 Bc6 33. Ng4 Qc3 34. gxf7+ Kxf7 35. Be3 Bxe3+ 36. Qxe3 Qxe3+ 37. Nxe3 e5 38. Nf5 Ke6 39. Nxg7+ Kd5 40. h6 Kxc5 41. Nh5 Kxd6 42. Nf6 a5 43. Kf2 Ke6 44. Nxh7 Kf7 45. Ng5+ Kg6 46. h7 Kg7 47. Nf7 Kxh7 48. Nxe5 Bd5 49. a3 Kg7 50. Ke3 Kf6 51. Kd4 Ke6 1/2-1/2

[Event "Pan American-ch Amateur U1700"]
[Site "San Jose"]
[Date "2019.10.23"]
[Round "1.5"]
[White "Quiros Cajina, Allan"]
[Black "Araya Tropper, Ariel"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1651"]
[BlackElo "1130"]
[PlyCount "61"]
[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 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nf6 5. Bg5 Be7 6. Nf3 Bg4 7. Nbd2 Nc6 8. c3 Qd6 9. 0-0 0-0 10. Qc2 h6 11. Bh4 Qd7 12. Rfe1 Rfe8 13. h3 Be6 14. Ne5 Nxe5 15. Rxe5 g5 16. Bg3 Nh5 17. Bh2 Bd6 18. Re3 Bxh2+ 19. Kxh2 Nf4 20. Bh7+ Kf8 21. Rae1 Re7 22. Nf3 f6 23. Bg6 Rg7 24. g3 Rxg6 25. gxf4 Bf5 26. Qb3 gxf4 27. Re7 Qc6 28. Nh4 Rg5 29. Nxf5 Rxf5 30. Qc2 Re5 31. Qh7 1-0

[Event "Pan American-ch Amateur U1700"]
[Site "San Jose"]
[Date "2019.10.??"]
[Round "9"]
[White "Valverde Mora, Mauricio"]
[Black "Quiros Cajina, Allan"]
[Result "1-0"]
[ECO "A96"]
[WhiteElo "1600"]
[BlackElo "1651"]
[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. c4 f5 2. Nf3 Nf6 3. g3 e6 4. Bg2 Be7 5. 0-0 0-0 6. Nc3 d6 7. d4 c6 8. Qc2 Na6 9. e4 fxe4 10. Nxe4 Qe8 11. Bf4 Nxe4 12. Qxe4 Qh5 13. a3 Nc7 14. c5 Ne8 15. b4 Nf6 16. Qe2 dxc5 17. dxc5 a5 18. Be5 Nd5 19. Qe4 Qf5 20. Qd4 Bf6 21. Rfe1 Qc2 22. Bh3 axb4 23. axb4 Rxa1 24. Rxa1 Qb3 25. Bxf6 gxf6 26. Nd2 Qxb4 27. Qxb4 Nxb4 28. Nc4 Na6 29. Nd6 Kg7 30. Nxc8 Rxc8 31. Bxe6 Re8 32. Bd7 Ra8 33. Kg2 Kf7 34. Kf3 Ke7 35. Bf5 Rh8 36. Rc1 h5 37. Ke3 h4 38. Bd3 hxg3 39. hxg3 Nb4 40. Rb1 Nd5+ 41. Kd4 Rb8 42. Be4 b5 43. Bxd5 Rd8 44. Re1+ Kf8 1-0

[Event "San Jose Bronstein Memorial"]
[Site "San Jose"]
[Date "2016.02.28"]
[Round "6"]
[White "Quiros Cajina, Allan"]
[Black "Gomez Huertas, Stanley"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "1842"]
[BlackElo "2118"]
[PlyCount "88"]
[EventDate "2016.02.21"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "CRI"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bb4+ 5. c3 Bc5 6. Be2 Nge7 7. 0-0 0-0 8. Be3 Bb6 9. Nd2 d5 10. Bf3 Nxd4 11. Bxd4 Bxd4 12. cxd4 dxe4 13. Nxe4 Nf5 14. d5 Nd6 15. Re1 Bf5 16. Rc1 Re8 17. Ng3 Bg6 18. Qd2 h6 19. Qc3 Rc8 20. Nh5 Bxh5 21. Bxh5 Qh4 22. Bf3 Rxe1+ 23. Rxe1 Qc4 24. Qxc4 Nxc4 25. b3 Nd6 26. Kf1 Re8 27. Rxe8+ Nxe8 28. Ke2 Kf8 29. Kd3 Ke7 30. a4 Kd6 31. Kd4 g6 32. h3 a5 33. g3 Nf6 34. Bg2 Nd7 35. Bf1 Nc5 36. Bc4 f5 37. f3 g5 38. f4 Ne4 39. fxg5 Nxg5 40. h4 Nh7 41. Bd3 Nf6 42. Bxf5 Nxd5 43. Be4 Ne7 44. g4 b6 1/2-1/2

[Event "San Jose Bronstein Memorial"]
[Site "San Jose"]
[Date "2016.02.27"]
[Round "5"]
[White "Quiros Cajina, Allan"]
[Black "Fernandez Sibaja, Felipe Josue"]
[Result "0-1"]
[ECO "B25"]
[WhiteElo "1842"]
[BlackElo "2130"]
[PlyCount "108"]
[EventDate "2016.02.21"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "CRI"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. g3 d6 6. Bg2 e6 7. 0-0 Nge7 8. d3 0-0 9. Be3 Nd4 10. e5 Nef5 11. Bf2 Nxf3+ 12. Qxf3 Nd4 13. Qd1 dxe5 14. fxe5 Bxe5 15. Ne4 f5 16. Nxc5 Qc7 17. Nb3 Nxb3 18. axb3 Bxb2 19. Ra4 Bf6 20. Rc4 Qd7 21. Qd2 a5 22. Rc5 a4 23. bxa4 Rxa4 24. Rb1 Rd8 25. Rcb5 Ra1 26. Qb4 Rxb1+ 27. Qxb1 Qd6 28. Bxb7 Bxb7 29. Rxb7 Ra8 30. Qb5 Bd4 31. Rd7 Bxf2+ 32. Kxf2 Qb8 33. Qxb8+ Rxb8 34. Rc7 e5 35. Kf3 Re8 36. h3 h5 37. c4 Rd8 38. Ke3 g5 39. Re7 f4+ 40. gxf4 exf4+ 41. Ke2 g4 42. hxg4 hxg4 43. Re4 Rf8 44. Kf2 Kg7 45. c5 Kg6 46. d4 Kg5 47. Re5+ Kh4 48. Re7 f3 49. Rh7+ Kg5 50. Rg7+ Kh5 51. Rh7+ Kg6 52. Re7 g3+ 53. Kxg3 f2 54. Re6+ Kg7 0-1

[Event "San Jose Bronstein Memorial"]
[Site "San Jose"]
[Date "2016.02.25"]
[Round "4"]
[White "Bonilla Sequeira, Pablo"]
[Black "Quiros Cajina, Allan"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "2146"]
[BlackElo "1842"]
[PlyCount "75"]
[EventDate "2016.02.21"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "CRI"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. 0-0 Nf6 7. Qe2 Bc5 8. Nb3 Be7 9. Nc3 Nc6 10. a4 0-0 11. f4 d6 12. Be3 Bd7 13. a5 Nb4 14. Kh1 Rac8 15. Rae1 Nxd3 16. cxd3 Bc6 17. Rf3 d5 18. Bb6 Qb8 19. e5 Nd7 20. Bd4 b5 21. Rh3 g6 22. Qe3 Rfe8 23. f5 Bf8 24. fxg6 fxg6 25. Qf2 b4 26. Nb1 Ba4 27. N1d2 Qb5 28. Nf3 Bg7 29. Nbd2 Bc2 30. Ng5 Nf8 31. Qf7+ Kh8 32. Ndf3 h6 33. Qf4 Bxd3 34. Nf7+ Kg8 35. Nxh6+ Bxh6 36. Qxh6 Bf5 37. Qh8+ Kf7 38. Qf6+ 1-0

[Event "San Jose Bronstein Memorial"]
[Site "San Jose"]
[Date "2016.02.23"]
[Round "3"]
[White "Quiros Cajina, Allan"]
[Black "Araya Solano, Edgar"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "1842"]
[BlackElo "1823"]
[PlyCount "92"]
[EventDate "2016.02.21"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "CRI"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. d3 g6 4. g3 Bg7 5. Bg2 Rb8 6. a4 a6 7. f4 b5 8. e5 b4 9. Ne4 Qa5 10. Nf3 Nd4 11. Be3 b3+ 12. Bd2 Nxc2+ 13. Kf2 Qb6 14. Rc1 Nh6 15. h3 Nf5 16. Ke2 d5 17. exd6 exd6 18. g4 Nfd4+ 19. Nxd4 Bxd4 20. Nc3 Bb7 21. Kf1 0-0 22. Nd5 Bxd5 23. Bxd5 Bxb2 24. Rb1 c4 25. Bxc4 Qd4 26. Qf3 Rfe8 27. Rh2 Bc3 28. Bxc3 Ne3+ 29. Kg1 Qxc3 30. Bxa6 Qc5 31. Kh1 b2 32. Re2 Qc1+ 33. Re1 Qc5 34. Bb5 Re7 35. Rxb2 d5 36. Rbe2 d4 37. f5 Rb6 38. f6 Reb7 39. h4 h6 40. Qe4 Rb8 41. Rf2 Re6 42. Qf4 Qd5+ 43. Kg1 Rbb6 44. Qxh6 Rxf6 45. Rc1 Qb7 46. Rxf6 Qg2# 0-1

[Event "San Jose Bronstein Memorial"]
[Site "San Jose"]
[Date "2016.02.21"]
[Round "2"]
[White "Aguilar Pina, Luis Gerardo"]
[Black "Quiros Cajina, Allan"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2036"]
[BlackElo "1842"]
[PlyCount "67"]
[EventDate "2016.02.21"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "CRI"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. Nf3 e6 2. d4 f5 3. Bf4 Nf6 4. e3 d6 5. h3 Nc6 6. c4 Be7 7. d5 Nb8 8. dxe6 Bxe6 9. Nd4 Qd7 10. Nc3 0-0 11. Bd3 Nc6 12. Nxe6 Qxe6 13. 0-0 Ne5 14. Be2 c6 15. b3 Ng6 16. Bg3 Rad8 17. Qc2 Nd7 18. Rfd1 f4 19. exf4 Nxf4 20. Bg4 Qf6 21. Re1 Ne5 22. Rad1 Qg5 23. Qd2 h5 24. Bxf4 Rxf4 25. Ne2 Rff8 26. Qxg5 Bxg5 27. Bxh5 Bh4 28. Rf1 d5 29. cxd5 cxd5 30. Nd4 Rd6 31. f4 Nc6 32. Bg4 Bf6 33. Nb5 Rdd8 34. Be6+ 1-0

