[Event "Cali Valle Colombia op-B"]
[Site "Cali Valle Colombia"]
[Date "2022.12.30"]
[Round "8"]
[White "Simancas Maradei, Miguel Alejandro"]
[Black "Guelgua, Alvaro"]
[Result "0-1"]
[ECO "E76"]
[WhiteElo "2027"]
[BlackElo "2039"]
[PlyCount "21"]
[EventDate "2022.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. e4 Bg7 5. f4 Nbd7 6. e5 Ng8 7. Nf3 e6 8. Be3 Nh6 9. Bd3 Qe7 10. Qd2 0-0 11. Ng1 0-1

[Event "Cali Valle Colombia op-B"]
[Site "Cali Valle Colombia"]
[Date "2022.12.29"]
[Round "7"]
[White "Guelgua, Alvaro"]
[Black "Arrieta Hernandez, Cristian"]
[Result "1/2-1/2"]
[ECO "C03"]
[WhiteElo "2039"]
[BlackElo "2082"]
[PlyCount "93"]
[EventDate "2022.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 f5 4. exf5 exf5 5. Bd3 Nf6 6. Ngf3 Bd6 7. 0-0 0-0 8. c4 c6 9. Qb3 a5 10. a4 Na6 11. cxd5 cxd5 12. Ne5 Nb4 13. Bb5 Ne4 14. Ndf3 Be6 15. Bd2 g5 16. Rad1 g4 17. Ne1 f4 18. f3 Nxd2 19. Rxd2 g3 20. h3 Bxe5 21. dxe5 Rc8 22. Nc2 Nxc2 23. Rxc2 Qb6+ 24. Kh1 Qe3 25. Bd3 Rxc2 26. Qxc2 Qxe5 27. Bxh7+ Kf7 28. Qg6+ Ke7 29. Qb1 Qh5 30. Re1 Kf6 31. Qc2 Qf7 32. Qc3+ Kg5 33. Qe5+ Kh6 34. Bd3 Bc8 35. Qd6+ Qf6 36. Qxd5 b6 37. Qe4 Rf7 38. Rc1 Bd7 39. b3 Re7 40. Qd5 Qe5 41. Qc4 Be8 42. Be4 Bf7 43. Qc8 Kg7 44. Qg4+ Kf8 45. Qh4 Bh5 46. Rd1 Rd7 47. Rc1 1/2-1/2

[Event "Cali Valle Colombia op-B"]
[Site "Cali Valle Colombia"]
[Date "2022.12.29"]
[Round "6"]
[White "Navia Alvarez, Edwin Adrian"]
[Black "Guelgua, Alvaro"]
[Result "0-1"]
[ECO "E94"]
[WhiteElo "2023"]
[BlackElo "2039"]
[PlyCount "74"]
[EventDate "2022.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d6 3. c4 g6 4. Nc3 Bg7 5. e4 0-0 6. Be2 Nbd7 7. 0-0 e5 8. d5 Nc5 9. Qc2 a5 10. Bg5 h6 11. Be3 b6 12. Nd2 Nh7 13. a3 f5 14. f3 f4 15. Bf2 g5 16. b4 axb4 17. axb4 Rxa1 18. Rxa1 Nd7 19. Nb5 g4 20. fxg4 Ng5 21. Ra7 Nf6 22. h3 h5 23. gxh5 f3 24. Bxf3 Bxh3 25. Rxc7 Ne8 26. Bxb6 Nxc7 27. Bxc7 Qf6 28. Bxd6 Bxg2 29. Bxf8 Bxf3 30. Bxg7 Kxg7 31. Nf1 Nh3+ 32. Kh2 Qh4 33. Qd2 Ng5+ 34. Kg1 Qh1+ 35. Kf2 Nxe4+ 36. Ke3 Nxd2 37. Nxd2 Bxh5 0-1

[Event "Cali Valle Colombia op-B"]
[Site "Cali Valle Colombia"]
[Date "2022.12.28"]
[Round "4"]
[White "Dominguez Rincon, Miller Duvan"]
[Black "Guelgua, Alvaro"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "1991"]
[BlackElo "2039"]
[PlyCount "90"]
[EventDate "2022.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d6 3. Bg5 h6 4. Bxf6 exf6 5. g3 g6 6. Bg2 Bg7 7. 0-0 0-0 8. c4 Re8 9. Nc3 f5 10. e3 Nd7 11. Rc1 c6 12. b4 Nf6 13. Qb3 Ne4 14. Rfd1 Be6 15. Nd2 d5 16. cxd5 cxd5 17. Rc2 Rc8 18. Rdc1 Qd7 19. Nf3 f6 20. Ne1 g5 21. Nd3 b6 22. b5 Bf8 23. a4 Rc4 24. Na2 Rec8 25. Nab4 Bxb4 26. Nxb4 Rxc2 27. Rxc2 Rc4 28. Bf1 Rxc2 29. Qxc2 Qd6 30. Nc6 Qc7 31. Qd1 Kg7 32. Bd3 Bd7 33. Nb4 Be6 34. Qc2 Qd6 35. Nc6 Qc7 36. Qa2 g4 37. Bc2 h5 38. Bb3 h4 39. gxh4 f4 40. a5 fxe3 41. fxe3 Kh6 42. axb6 axb6 43. Qa7 Qd6 44. Qe7 Qxe7 45. Nxe7 Nc3 1/2-1/2

[Event "Cali Valle Colombia op-B"]
[Site "Cali Valle Colombia"]
[Date "2022.12.28"]
[Round "5"]
[White "Guelgua, Alvaro"]
[Black "Rodriguez Velasco, German Enrique"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "2039"]
[BlackElo "2071"]
[PlyCount "81"]
[EventDate "2022.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Ne7 6. 0-0 Nec6 7. Nf3 Qc7 8. b3 Be7 9. Bb2 Bf6 10. Bxf6 gxf6 11. Nbd2 d6 12. Nc4 Nd7 13. Be2 Ke7 14. Qd2 b5 15. Ne3 Nc5 16. Bd3 Bb7 17. Rfe1 Ne5 18. Nd4 Rhg8 19. f4 Ncxd3 20. cxd3 Qc5 21. fxe5 Qxd4 22. exf6+ Qxf6 23. Rf1 Qg7 24. Qa5 Bc8 25. Rac1 Qd4 26. Qd2 Bd7 27. Rf3 Rac8 28. Rcf1 Be8 29. Kh1 Rc7 30. h3 Qc3 31. Qf2 Kd8 32. Ng4 Qc5 33. d4 Qg5 34. Nf6 Rg7 35. d5 Ke7 36. g4 Qe5 37. Qb6 Rc2 38. R3f2 Qc3 39. Rxc2 Qxc2 40. Qb7+ Kd8 41. Qb8+ 1-0

[Event "Cali Valle Colombia op-B"]
[Site "Cali Valle Colombia"]
[Date "2022.12.27"]
[Round "3"]
[White "Guelgua, Alvaro"]
[Black "Schuettler, Thomas"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2039"]
[BlackElo "1890"]
[PlyCount "115"]
[EventDate "2022.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Qc2 Bg4 5. Be2 Qc7 6. 0-0 Nbd7 7. d3 e6 8. Be3 Be7 9. Nbd2 0-0 10. Rfe1 Rac8 11. Nf1 Rfd8 12. Ng3 d5 13. h3 Bxf3 14. Bxf3 Bd6 15. Nf1 Ne5 16. Be2 Ng6 17. g3 Qe7 18. f4 dxe4 19. dxe4 Bb8 20. Rad1 c4 21. Rxd8+ Qxd8 22. Nd2 b5 23. Nf3 a6 24. Bf1 Qc7 25. Bd4 Ba7 26. Rd1 h5 27. e5 Nd5 28. Qf2 Bxd4 29. Rxd4 Nge7 30. Ng5 Nf5 31. Rd2 Qc5 32. Ne4 Qxf2+ 33. Kxf2 Nfe7 34. Nd6 Rc6 35. Bg2 g6 36. g4 hxg4 37. hxg4 Rb6 38. f5 Nf4 39. f6 Ned5 40. Bxd5 Nxd5 41. Kf3 Rb8 42. Ke4 Rd8 43. g5 Rd7 44. Rd4 Rc7 45. a4 Rc5 46. axb5 axb5 47. Rd1 Nb6 48. Ra1 Na4 49. Nxb5 Rxb5 50. Rxa4 Rxb2 51. Rxc4 Re2+ 52. Kf4 Rf2+ 53. Ke4 Rg2 54. Rc8+ Kh7 55. Rf8 Rxg5 56. Rxf7+ Kg8 57. Re7 Rg4+ 58. Kd3 1-0

[Event "Cali Valle Colombia op-B"]
[Site "Cali Valle Colombia"]
[Date "2022.12.27"]
[Round "2"]
[White "Hernandez Grajales, Andres"]
[Black "Guelgua, Alvaro"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "1795"]
[BlackElo "2039"]
[PlyCount "62"]
[EventDate "2022.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bd7 8. Bxc6 bxc6 9. 0-0 Bc5 10. f3 Ng5 11. f4 Ne4 12. Be3 0-0 13. Nd2 Nxd2 14. Qxd2 Bb6 15. Nb3 Qe7 16. Qc3 Rfe8 17. Rae1 a5 18. a4 Qb4 19. Kh1 Qxa4 20. Nc5 Bxc5 21. Bxc5 Bf5 22. b3 Qb5 23. Rf3 a4 24. Rg3 Re6 25. Rg5 g6 26. g4 Be4+ 27. Rxe4 Qf1+ 28. Bg1 dxe4 29. f5 Rxe5 30. fxg6 Rxg5 31. gxh7+ Kxh7 0-1

[Event "Cali Valle Colombia op-B"]
[Site "Cali Valle Colombia"]
[Date "2022.12.26"]
[Round "1"]
[White "Guelgua, Alvaro"]
[Black "Mata Zambrano, Luis Enrique"]
[Result "1-0"]
[ECO "C90"]
[WhiteElo "2039"]
[BlackElo "1544"]
[PlyCount "97"]
[EventDate "2022.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. h3 Na5 9. c3 Nxb3 10. axb3 Bb7 11. d3 0-0 12. Nbd2 Re8 13. Nf1 Bf8 14. Ng3 g6 15. c4 Bg7 16. Bg5 h6 17. Bd2 c6 18. Qc1 Kh7 19. Nf1 Nd7 20. N1h2 d5 21. c5 Nf6 22. g4 Qd7 23. Bc3 dxe4 24. dxe4 Ng8 25. Qe3 Qe6 26. b4 Rad8 27. Rad1 Ne7 28. Rd2 Rxd2 29. Qxd2 f6 30. Rd1 Bc8 31. Nf1 f5 32. exf5 gxf5 33. Qc2 Nd5 34. Ng3 Qg6 35. gxf5 Qf6 36. Bxe5 Rxe5 37. Nxe5 Kg8 38. Ng4 Qg5 39. Qe4 Nf4 40. Qe8+ Kh7 41. Rd8 Bxf5 42. Qg8+ Kg6 43. Rd6+ Be6 44. Rxe6+ Nxe6 45. Qxe6+ Kh7 46. Qe4+ Kg8 47. Qxc6 h5 48. Qe8+ Bf8 49. Nxh5 1-0

[Event "Palmira op-B"]
[Site "Palmira"]
[Date "2022.12.17"]
[Round "7"]
[White "Borrero, Alexander"]
[Black "Guelgua, Alvaro"]
[Result "1/2-1/2"]
[ECO "A49"]
[WhiteElo "1988"]
[BlackElo "2039"]
[PlyCount "160"]
[EventDate "2022.12.14"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d6 3. d4 g6 4. Bg2 Bg7 5. 0-0 0-0 6. b3 Nbd7 7. Bb2 c5 8. e3 Qc7 9. c4 a6 10. Nc3 e6 11. Rc1 Rb8 12. Qe2 b6 13. Rfd1 Bb7 14. a3 Rfd8 15. Rd2 cxd4 16. exd4 Bxf3 17. Bxf3 Bh6 18. Rcd1 Bxd2 19. Qxd2 b5 20. cxb5 axb5 21. Qf4 Rdc8 22. Rc1 Qb6 23. h4 e5 24. dxe5 dxe5 25. Qg5 b4 26. Nd5 Rxc1+ 27. Bxc1 Nxd5 28. Bxd5 Qd6 29. Qd2 Qe7 30. a4 Nf6 31. Bc4 Ne4 32. Qd3 Nc5 33. Qf3 Ne6 34. Bh6 Rd8 35. Kg2 Rd4 36. Qa8+ Qd8 37. Qc6 Qd7 38. Qb6 Qd6 39. Qb7 Nd8 40. Qf3 Rd1 41. a5 Ra1 42. a6 Qd1 43. Qxd1 Rxd1 44. Bb5 Ne6 45. a7 Nc7 46. Be3 Rd8 47. Bc6 Na8 48. Bb7 f5 49. Bc5 Kf7 50. Bxb4 Ke6 51. Ba5 Re8 52. b4 Kd6 53. Kf3 e4+ 54. Ke3 Re7 55. Bxa8 Rxa7 56. Bxe4 fxe4 57. Kxe4 Rf7 58. Bb6 Rf5 59. Bc5+ Ke6 60. Bd4 h5 61. f3 Rb5 62. Bc5 Rb8 63. Kf4 Kf6 64. Bd4+ Kf7 65. Bc5 Kf6 66. Ke4 Ke6 67. g4 hxg4 68. fxg4 Rh8 69. Bf2 Rf8 70. Bd4 Rb8 71. Bc3 Rc8 72. Kd3 Kd5 73. h5 gxh5 74. gxh5 Rc4 75. h6 Rh4 76. Bd2 Kc6 77. Bg5 Rh5 78. Bd2 Kb5 79. Kc3 Rh3+ 80. Kd4 Rxh6 1/2-1/2

[Event "Palmira op-B"]
[Site "Palmira"]
[Date "2022.12.17"]
[Round "6"]
[White "Guelgua, Alvaro"]
[Black "Chavez Duero, Brayan Steven"]
[Result "0-1"]
[ECO "B27"]
[WhiteElo "2039"]
[BlackElo "1890"]
[PlyCount "87"]
[EventDate "2022.12.14"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. c3 Bg7 4. d4 cxd4 5. cxd4 d5 6. e5 Bg4 7. Bb5+ Nc6 8. Nc3 Bxf3 9. Qxf3 e6 10. Be3 Nge7 11. 0-0 0-0 12. Rfd1 f6 13. exf6 Bxf6 14. Qg4 Nf5 15. Rac1 Qd6 16. Bxc6 bxc6 17. Na4 e5 18. dxe5 Nxe3 19. fxe3 Bxe5 20. h3 Rf5 21. Nc5 Bxb2 22. Rc2 Raf8 23. Rxb2 Qxc5 24. Qd4 Qxd4 25. exd4 Rf4 26. Rc2 Rc8 27. a4 Kf7 28. a5 Ke6 29. a6 Kd6 30. Rb2 Rf7 31. Rc1 Re7 32. Kf2 c5 33. Rb7 c4 34. Rcb1 c3 35. Rxe7 Kxe7 36. Ke2 c2 37. Rc1 Rc4 38. Kd3 Kd6 39. Rxc2 Rxc2 40. Kxc2 Kc6 41. Kb3 Kb5 42. g4 g5 43. Kc3 Kxa6 44. Kb4 0-1

[Event "Palmira op-B"]
[Site "Palmira"]
[Date "2022.12.16"]
[Round "5"]
[White "Guelgua, Alvaro"]
[Black "Cortes Castro, Jhonny"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "2039"]
[BlackElo "1954"]
[PlyCount "85"]
[EventDate "2022.12.14"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. Bc4 e6 8. 0-0 h6 9. Re1 Ngf6 10. b3 Bb4 11. Bd2 Bxd2 12. Qxd2 0-0 13. b4 b5 14. Bb3 Nb6 15. Ne5 Bh7 16. Nxc6 Qd6 17. Ne5 Nfd5 18. c3 Rfc8 19. Rac1 a5 20. bxa5 Nc4 21. Qe2 Qc7 22. Qg4 Nf6 23. Qh3 Rxa5 24. Nh5 Nxh5 25. Qxh5 Ra6 26. Ng4 Nd6 27. d5 Bg6 28. Qe5 exd5 29. Qxd5 Rc6 30. Ne5 Rc5 31. Qf3 Kh7 32. Rcd1 Rxc3 33. Qf4 Bc2 34. Bxc2+ Rxc2 35. h4 Rxa2 36. Rxd6 Qxd6 37. Qf5+ g6 38. Qxf7+ Kh8 39. Nxg6+ Qxg6 40. Qxg6 Ra7 41. Qxh6+ Rh7 42. Qf6+ Rg7 43. Re7 1-0

[Event "Palmira op-B"]
[Site "Palmira"]
[Date "2022.12.16"]
[Round "4"]
[White "Hernandez Jimenez, Xavi"]
[Black "Guelgua, Alvaro"]
[Result "0-1"]
[ECO "C78"]
[WhiteElo "1678"]
[BlackElo "2039"]
[PlyCount "70"]
[EventDate "2022.12.14"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bb7 7. Re1 Bc5 8. c3 d6 9. d4 Bb6 10. Bg5 Qe7 11. a4 h6 12. Bh4 0-0 13. dxe5 dxe5 14. Nbd2 Na5 15. Ba2 Rad8 16. axb5 axb5 17. Qe2 Bc6 18. b4 Nb7 19. Bg3 Nd7 20. Nh4 Qf6 21. Nf5 Nd6 22. Bh4 g5 23. Qg4 Nxf5 24. exf5 Qg7 25. Bg3 Nf6 26. Qe2 e4 27. Nf1 Rfe8 28. Rad1 Rxd1 29. Rxd1 h5 30. h3 h4 31. Bh2 g4 32. Bf4 gxh3 33. Ne3 hxg2 34. Kh2 h3 35. Rg1 Bd7 0-1

[Event "Palmira op-B"]
[Site "Palmira"]
[Date "2022.12.15"]
[Round "2"]
[White "Guelgua, Alvaro"]
[Black "Duque, Milton Antonio"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2039"]
[BlackElo "1819"]
[PlyCount "67"]
[EventDate "2022.12.14"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Bd3 e5 4. Ne2 Nc6 5. d5 Ne7 6. c4 c6 7. Nbc3 Ng6 8. 0-0 Be7 9. h3 0-0 10. Be3 Qa5 11. Qd2 Rd8 12. a3 Bd7 13. Ng3 Qc7 14. Kh1 Qc8 15. Kh2 Qc7 16. f3 Rac8 17. Rf2 Ne8 18. Nh5 Nf6 19. Ng3 Ne8 20. Raf1 Bh4 21. f4 Bxg3+ 22. Kxg3 exf4+ 23. Bxf4 Nf6 24. Bg5 Nh5+ 25. Kh2 Rf8 26. g4 Nf6 27. Rxf6 h6 28. Rxg6 fxg6 29. Bf4 g5 30. Bg3 Rxf1 31. Bxf1 Be8 32. c5 Qf7 33. Bc4 dxc5 34. dxc6 1-0

[Event "Palmira op-B"]
[Site "Palmira"]
[Date "2022.12.15"]
[Round "3"]
[White "Hernandez Pinzon, Helvert"]
[Black "Guelgua, Alvaro"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "1835"]
[BlackElo "2039"]
[PlyCount "99"]
[EventDate "2022.12.14"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[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 cxd5 9. 0-0 0-0 10. Bg5 Be7 11. Bxf6 Bxf6 12. Qh5 g6 13. Qxd5 Rb8 14. Bc4 Rxb2 15. Qxd8 Rxd8 16. Nd5 Kg7 17. Nxf6 Kxf6 18. Bb3 Bf5 19. Rab1 Rxb1 20. Rxb1 Rd2 21. Rc1 c5 22. Kf1 Rd4 23. c3 Bd3+ 24. Ke1 Rh4 25. h3 c4 26. Bd1 Re4+ 27. Kd2 Re6 28. a4 Rb6 29. Ke3 Rb2 30. g3 Ke5 31. Ra1 a5 32. h4 h6 33. h5 Kd5 34. f4 Kc5 35. Bf3 gxh5 36. Rh1 Bg6 37. Bxh5 Rc2 38. Bxg6 fxg6 39. Rxh6 Rxc3+ 40. Kf2 Rd3 41. Rxg6 c3 42. Rg8 Kb4 43. Rc8 Rd4 44. Ke2 Kb3 45. f5 Rg4 46. f6 Rg6 47. f7 Re6+ 48. Kd3 Rd6+ 49. Ke4 c2 50. f8Q 1-0

[Event "Cali Masificacion op U2050"]
[Site "Cali"]
[Date "2021.12.29"]
[Round "7"]
[White "Guelgua, Alvaro"]
[Black "Ceron, Edgar Ivan"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2031"]
[BlackElo "2022"]
[PlyCount "51"]
[EventDate "2021.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 c6 3. dxc6 Nxc6 4. Nc3 e5 5. Bc4 Bc5 6. d3 Nf6 7. Nf3 Bg4 8. h3 Bh5 9. g4 Bg6 10. Be3 Bxe3 11. fxe3 Qb6 12. Qd2 0-0-0 13. 0-0-0 e4 14. Nh4 Ne5 15. Na4 Qc6 16. Nxg6 hxg6 17. Qc3 Nxc4 18. Qxc4 Qxc4 19. dxc4 Rxd1+ 20. Kxd1 Nxg4 21. Ke2 f5 22. Nc3 Kc7 23. Nd5+ Kd6 24. Rd1 Ne5 25. b4 Nxc4 26. Nb6+ 1-0

[Event "Cali Masificacion op U2050"]
[Site "Cali"]
[Date "2021.12.28"]
[Round "4"]
[White "Guelgua, Alvaro"]
[Black "Munoz, Alejandro"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2031"]
[BlackElo "1634"]
[PlyCount "75"]
[EventDate "2021.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. 0-0 Bg7 6. Re1 d6 7. h3 Nf6 8. Nc3 0-0 9. d3 Bd7 10. Ne2 Rb8 11. Ng3 Ne8 12. c3 f5 13. e5 f4 14. Nf1 Qc8 15. Qa4 Bf5 16. d4 cxd4 17. cxd4 a6 18. Qc4+ Be6 19. Qe2 d5 20. b3 h6 21. Ba3 Qd7 22. Qxa6 g5 23. Rac1 Rc8 24. N1h2 Bh8 25. Qe2 Ng7 26. Bc5 Bf5 27. a4 Ne6 28. b4 h5 29. Nd2 Ng7 30. b5 cxb5 31. axb5 g4 32. hxg4 hxg4 33. Rc3 f3 34. gxf3 gxf3 35. Rxf3 Bh3 36. Rg3 Qe6 37. Ndf3 Bf5 38. Ng5 1-0

[Event "Cali Masificacion op U2050"]
[Site "Cali"]
[Date "2021.12.28"]
[Round "5"]
[White "Ospina Betancur, Santiago"]
[Black "Guelgua, Alvaro"]
[Result "0-1"]
[ECO "C33"]
[WhiteElo "1586"]
[BlackElo "2031"]
[PlyCount "42"]
[EventDate "2021.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Bc4 g5 4. h4 Nc6 5. Nf3 g4 6. Ng1 Bc5 7. Ne2 f3 8. gxf3 gxf3 9. Nf4 f2+ 10. Kf1 Nf6 11. d3 Rg8 12. Ng2 d5 13. exd5 Bg4 14. Qd2 Bf3 15. Ne3 Bxh1 16. dxc6 Rg1+ 17. Ke2 Re1+ 18. Kxf2 Bxe3+ 19. Qxe3+ Rxe3 20. Bxe3 Ng4+ 21. Kg1 Nxe3 0-1

[Event "Cali Masificacion op U2050"]
[Site "Cali"]
[Date "2021.12.27"]
[Round "3"]
[White "Guelgua, Alvaro"]
[Black "Franco, Jhonier"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2031"]
[BlackElo "1837"]
[PlyCount "50"]
[EventDate "2021.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 c6 4. Nf3 cxd5 5. Bd3 Nc6 6. c3 Bg4 7. h3 Bh5 8. 0-0 e6 9. Nbd2 Bd6 10. Re1 Qc7 11. Nf1 0-0-0 12. Be3 Ne4 13. c4 g5 14. Qa4 g4 15. hxg4 Bxg4 16. cxd5 exd5 17. Bxe4 dxe4 18. N3d2 Rhg8 19. Nxe4 Bf3 20. Neg3 Bxg3 21. fxg3 Rxg3 22. Nxg3 Qxg3 23. Qc2 Rg8 24. Qf5+ Kd8 25. Qf6+ Kc8 1/2-1/2

[Event "Cali Masificacion op U2050"]
[Site "Cali"]
[Date "2021.12.27"]
[Round "2"]
[White "Morales Gonzalez, Danny Mauricio"]
[Black "Guelgua, Alvaro"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "1758"]
[BlackElo "2031"]
[PlyCount "68"]
[EventDate "2021.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. g3 Bc5 5. Bg2 d6 6. 0-0 Bg4 7. d3 Bb6 8. Bg5 h6 9. Bxf6 Qxf6 10. Nd5 Qe6 11. Nxb6 axb6 12. a3 0-0 13. c3 f5 14. Qe1 f4 15. Qd2 Na5 16. Rab1 g5 17. d4 Nc4 18. Qd3 b5 19. Rfe1 Bxf3 20. Bxf3 g4 21. Bg2 Rf7 22. Bf1 Raf8 23. Re2 h5 24. Ra1 h4 25. b3 Nb6 26. Rb2 c6 27. Re1 Qh6 28. gxf4 exf4 29. e5 g3 30. e6 Rg7 31. e7 Re8 32. fxg3 Nd5 33. Re4 fxg3 34. h3 Rexe7 0-1

[Event "COL-ch U26"]
[Site "Medellin"]
[Date "2018.10.20"]
[Round "6"]
[White "Florez Castro, Estiven"]
[Black "Guelgua, Alvaro"]
[Result "1/2-1/2"]
[ECO "A90"]
[WhiteElo "1932"]
[BlackElo "2062"]
[PlyCount "12"]
[EventDate "2018.10.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 e6 4. g3 f5 5. Bg2 Nf6 6. 0-0 Bd6 1/2-1/2

[Event "COL-ch U26"]
[Site "Medellin"]
[Date "2018.10.20"]
[Round "5"]
[White "Guelgua, Alvaro"]
[Black "Garcia, Jhon Jairo"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2062"]
[BlackElo "1993"]
[PlyCount "35"]
[EventDate "2018.10.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Ng3 h5 6. h4 e5 7. Be3 exd4 8. Bxd4 Be6 9. Be2 c5 10. Bc3 Qxd1+ 11. Rxd1 Nbd7 12. Nh3 Nd5 13. Bd2 Be7 14. Ng5 Bxg5 15. Bxg5 f6 16. Nxh5 Bf7 17. Bc1 Bxh5 18. Rxd5 1-0

[Event "COL-ch U26"]
[Site "Medellin"]
[Date "2018.10.18"]
[Round "1"]
[White "Guelgua, Alvaro"]
[Black "Nino Lopez, Michael Fabian"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "2062"]
[BlackElo "1777"]
[PlyCount "62"]
[EventDate "2018.10.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bc4 Nxe4 5. Nxe4 d5 6. Bxd5 Qxd5 7. Nc3 Qd8 8. Qe2 f6 9. d3 Bg4 10. Be3 Bb4 11. a3 Ba5 12. h3 Bh5 13. g4 Bf7 14. b4 Bb6 15. Rd1 0-0 16. Ne4 Qd7 17. Nc5 Bxc5 18. Bxc5 Rfe8 19. Nd2 Nd4 20. Bxd4 exd4 21. Ne4 f5 22. gxf5 Qxf5 23. Qg4 Qd5 24. Rg1 Bg6 25. Kd2 Re7 26. Rde1 Rae8 27. h4 Qc6 28. Nc5 Qf6 29. f3 Re3 30. h5 Bf5 31. Qf4 Kh8 0-1

[Event "COL-ch U26"]
[Site "Medellin"]
[Date "2018.10.18"]
[Round "2"]
[White "Salazar Zapata, Elian"]
[Black "Guelgua, Alvaro"]
[Result "1-0"]
[ECO "E80"]
[WhiteElo "1609"]
[BlackElo "2062"]
[PlyCount "16"]
[EventDate "2018.10.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. e4 Bg7 5. f3 Nbd7 6. Be3 e5 7. Nge2 b6 8. Qd2 h6 1-0

[Event "Bogota McGregor op 2nd"]
[Site "Bogota"]
[Date "2011.12.11"]
[Round "9"]
[White "Parra, Diego Alexander"]
[Black "Guelgua, Alvaro"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "1851"]
[BlackElo "2064"]
[PlyCount "21"]
[EventDate "2011.12.06"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 145 Extra"]
[Source "ChessBase"]
[SourceDate "2012.01.03"]
[SourceVersion "1"]
[SourceVersionDate "2012.01.03"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c3 e6 4. Bg5 Be7 5. e3 c5 6. Bd3 Nc6 7. Nbd2 0-0 8. Rc1 b6 9. 0-0 h6 10. Bh4 Bb7 11. Ne5 1-0

[Event "Bogota McGregor op 2nd"]
[Site "Bogota"]
[Date "2011.12.10"]
[Round "8"]
[White "Guelgua, Alvaro"]
[Black "Nunez V, Daniel Fernando"]
[Result "0-1"]
[ECO "B87"]
[WhiteElo "2064"]
[BlackElo "2212"]
[PlyCount "86"]
[EventDate "2011.12.06"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 145 Extra"]
[Source "ChessBase"]
[SourceDate "2012.01.03"]
[SourceVersion "1"]
[SourceVersionDate "2012.01.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. 0-0 Be7 9. a3 Qc7 10. Bg5 Bd7 11. Qe2 Nc6 12. Nxc6 Bxc6 13. Rad1 0-0 14. Bf4 Nd7 15. Nd5 Bxd5 16. exd5 e5 17. Be3 f5 18. f4 Bf6 19. c3 Rae8 20. Qf2 exf4 21. Bxf4 Be5 22. Be3 g6 23. Bc2 Nf6 24. h3 Nh5 25. Qf3 Bg3 26. Bf2 f4 27. Rfe1 Bxf2+ 28. Qxf2 Ng3 29. Re6 Re7 30. Rde1 Ref7 31. Kh2 Qd8 32. Qf3 Nh5 33. a4 Qh4 34. axb5 axb5 35. Bd3 Ng7 36. R6e4 Rf5 37. Bc2 Rg5 38. Rf1 Rg3 39. Qf2 g5 40. Bd1 Nf5 41. c4 bxc4 42. Bc2 Ne3 43. Rg1 Rxh3+ 0-1

[Event "Bogota McGregor op 2nd"]
[Site "Bogota"]
[Date "2011.12.09"]
[Round "7"]
[White "Hernandez Agamez, Hugo"]
[Black "Guelgua, Alvaro"]
[Result "0-1"]
[ECO "C06"]
[BlackElo "2064"]
[PlyCount "72"]
[EventDate "2011.12.06"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 145 Extra"]
[Source "ChessBase"]
[SourceDate "2012.01.03"]
[SourceVersion "1"]
[SourceVersionDate "2012.01.03"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. Ne2 Bd6 11. 0-0 Qc7 12. Bg5 0-0 13. Bh4 g6 14. Bg3 Nh5 15. Rc1 Nxg3 16. hxg3 Qg7 17. Bb1 Bc7 18. a3 a6 19. b4 Bd7 20. Re1 Bb6 21. Rc3 g5 22. Re3 Rf7 23. Qd2 Raf8 24. g4 h6 25. Qd3 e5 26. Nxe5 Nxe5 27. Rxe5 Rxf2 28. Ng3 Bxg4 29. Rxd5 R2f4 30. Ne4 Bf5 31. g3 Bxe4 32. Qc4 Bxd5 33. Qxd5+ R4f7 34. Ba2 Qxd4+ 35. Qxd4 Bxd4+ 36. Kg2 Kg7 0-1

[Event "Bogota McGregor op 2nd"]
[Site "Bogota"]
[Date "2011.12.08"]
[Round "5"]
[White "Contreras R, Wilson Mauricio"]
[Black "Guelgua, Alvaro"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1854"]
[BlackElo "2064"]
[PlyCount "54"]
[EventDate "2011.12.06"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 145 Extra"]
[Source "ChessBase"]
[SourceDate "2012.01.03"]
[SourceVersion "1"]
[SourceVersionDate "2012.01.03"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Bd3 dxe4 4. Bxe4 c5 5. Ne2 Nf6 6. Bd3 Nc6 7. c3 cxd4 8. cxd4 Be7 9. 0-0 0-0 10. Bc4 Qc7 11. Bf4 Qb6 12. b3 Rd8 13. Be3 e5 14. d5 Qc7 15. Nbc3 a6 16. Rc1 Ba3 17. Rc2 Nb4 18. Rd2 b5 19. d6 Qc6 20. Bxf7+ Kxf7 21. f4 Bb7 22. Rf3 e4 23. Rg3 Nbd5 24. Nxd5 Nxd5 25. Nd4 Qc1 26. Nf5 Qxd1+ 27. Rxd1 Nxe3 0-1

[Event "Bogota McGregor op 2nd"]
[Site "Bogota"]
[Date "2011.12.08"]
[Round "6"]
[White "Guelgua, Alvaro"]
[Black "Guarin, Holmes"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2064"]
[BlackElo "1896"]
[PlyCount "65"]
[EventDate "2011.12.06"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 145 Extra"]
[Source "ChessBase"]
[SourceDate "2012.01.03"]
[SourceVersion "1"]
[SourceVersionDate "2012.01.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 c6 5. 0-0 Be7 6. Re1 Ngf6 7. Nbd2 0-0 8. Nf1 b5 9. Bd3 Qc7 10. c3 Rd8 11. Ng3 Nf8 12. Nf5 Ng6 13. Qe2 Bf8 14. Bg5 h6 15. Nxh6+ gxh6 16. Bxf6 Nf4 17. Qe3 Bg7 18. Bxd8 Qxd8 19. dxe5 dxe5 20. Bf1 Be6 21. g3 Ng6 22. Rad1 Qe7 23. b3 Kh7 24. Kh1 h5 25. Ng5+ Kh8 26. Nxe6 Qxe6 27. Qg5 Bf6 28. Qxh5+ Kg7 29. Qf5 Qe7 30. Rd7 Qc5 31. Red1 Qxc3 32. R1d6 Qe1 33. Qxf6+ 1-0

[Event "Bogota McGregor op 2nd"]
[Site "Bogota"]
[Date "2011.12.07"]
[Round "4"]
[White "Guelgua, Alvaro"]
[Black "Henao, Bernardo Andres"]
[Result "0-1"]
[ECO "B04"]
[WhiteElo "2064"]
[PlyCount "96"]
[EventDate "2011.12.06"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 145 Extra"]
[Source "ChessBase"]
[SourceDate "2012.01.03"]
[SourceVersion "1"]
[SourceVersionDate "2012.01.03"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nf3 g6 7. b3 Bg7 8. Bb2 Nc6 9. Be2 0-0 10. 0-0 e5 11. d5 Ne7 12. Nfd2 f5 13. f4 e4 14. Qc2 Qc7 15. Bxg7 Kxg7 16. Qb2+ Kf7 17. Na3 Bd7 18. Nc2 Rac8 19. Nd4 h5 20. Rfe1 Ng8 21. Nf1 Qd8 22. Ne3 Nh6 23. b4 Ng4 24. Bxg4 hxg4 25. Rac1 Qf6 26. Red1 g5 27. Qf2 Ke7 28. c5 Na4 29. c6 bxc6 30. dxc6 Be6 31. Nb5 Qb2 32. Nc2 Rxc6 33. Qxa7+ Bd7 34. Qxa4 Rfc8 35. Nbd4 Rxc2 36. Rxc2 Bxa4 37. Rxb2 Bxd1 38. Nxf5+ Ke6 39. Ne3 gxf4 40. Nxd1 Rc1 41. Kf2 Rxd1 42. b5 Kd7 43. b6 Kc8 44. g3 f3 45. Ke3 Re1+ 46. Kf4 Re2 47. Rb1 f2 48. Rf1 e3 0-1

[Event "Cali Region-ch U18"]
[Site "Cali"]
[Date "2011.12.05"]
[Round "3.4"]
[White "Escobar Barona, Juan Fernando"]
[Black "Guelgua, Alvaro"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2001"]
[BlackElo "2076"]
[PlyCount "127"]
[EventDate "2011.12.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. Nf3 Bd6 11. 0-0 Qc7 12. a3 0-0 13. Qc2 e5 14. dxe5 Nxe5 15. Nxe5 Bxe5 16. Qxc7 Bxc7 17. Bf4 Bb6 18. Be5 Bg4 19. Nc3 Rad8 20. Na4 Nd7 21. Bd6 Rf7 22. Nxb6 Nxb6 23. Bb4 Nc4 24. b3 Ne5 25. Bc2 d4 26. h3 Bc8 27. Rad1 b6 28. Rfe1 Nc6 29. Bd2 Ba6 30. Be4 Ne5 31. Bxh7+ Kxh7 32. Rxe5 Rc7 33. Bg5 Rdd7 34. Re4 d3 35. Ra4 Bb5 36. Rh4+ Kg8 37. a4 Ba6 38. b4 Bc4 39. Be3 Bb3 40. Rd2 Bxa4 41. Rd4 Rxd4 42. Bxd4 Bc2 43. Be5 Rc4 44. b5 Kf7 45. f4 Rb4 46. Bb8 Rxb5 47. Bxa7 Kf6 48. g4 Ke6 49. Kf2 Kd5 50. Ke3 Kc4 51. Bb8 g6 52. f5 gxf5 53. g5 Kc3 54. g6 Rb1 55. Be5+ Kb4 56. g7 Rg1 57. h4 Kc5 58. h5 Bb3 59. Rxd3 Bg8 60. h6 Rg6 61. Rd8 Bh7 62. Rh8 Rxh6 63. Rxh7 Rg6 64. Rh8 1-0

[Event "Cali Region-ch U18"]
[Site "Cali"]
[Date "2011.12.05"]
[Round "4.5"]
[White "Guelgua, Alvaro"]
[Black "Montillo, Sebastian"]
[Result "1-0"]
[ECO "B86"]
[WhiteElo "2076"]
[BlackElo "1536"]
[PlyCount "43"]
[EventDate "2011.12.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Be7 8. 0-0 0-0 9. f4 Nbd7 10. Qf3 Qc7 11. g4 h6 12. g5 hxg5 13. fxg5 Ne5 14. Qh3 Nh7 15. Qg3 Qc5 16. Nce2 Bxg5 17. Kh1 Bxc1 18. Raxc1 Ng6 19. Nxe6 Bxe6 20. Bxe6 Nf6 21. Rxf6 gxf6 22. Qxg6+ 1-0

[Event "Cali Region-ch U18"]
[Site "Cali"]
[Date "2011.12.05"]
[Round "5.4"]
[White "Zuleta, Juan Esteban"]
[Black "Guelgua, Alvaro"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1858"]
[BlackElo "2076"]
[PlyCount "64"]
[EventDate "2011.12.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 cxb4 5. d4 Nc6 6. a3 Qa5 7. Bb2 bxa3+ 8. Bc3 Qa4 9. Ra2 Bd7 10. Bd3 b5 11. 0-0 b4 12. Ba1 Na5 13. Nbd2 Bb5 14. Nb3 Rc8 15. Bxb5+ Qxb5 16. Nxa5 Qxa5 17. Nd2 Nh6 18. Nb3 Qc7 19. f4 Be7 20. g4 g6 21. h3 Qc4 22. Rf2 Kd7 23. Qb1 Rc7 24. Nd2 Qc6 25. Nf1 a5 26. Ne3 a4 27. Kg2 Rb7 28. Qd1 Rhb8 29. f5 gxf5 30. gxf5 exf5 31. Qh5 b3 32. Nxf5 Qg6+ 0-1

[Event "Cali Region-ch U18"]
[Site "Cali"]
[Date "2011.12.04"]
[Round "2.2"]
[White "Guelgua, Alvaro"]
[Black "Dominguez, Oscar Alberto"]
[Result "1/2-1/2"]
[ECO "A01"]
[WhiteElo "2076"]
[BlackElo "1981"]
[PlyCount "21"]
[EventDate "2011.12.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 g6 3. g3 Bg7 4. Bg2 d5 5. f4 c5 6. Nf3 Nc6 7. 0-0 Bf5 8. h3 h5 9. e3 Qd7 10. Ne5 Qe6 11. Kh1 1/2-1/2

[Event "Cali Region-ch U18"]
[Site "Cali"]
[Date "2011.12.04"]
[Round "1.2"]
[White "Norena, Wilder"]
[Black "Guelgua, Alvaro"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1652"]
[BlackElo "2076"]
[PlyCount "84"]
[EventDate "2011.12.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[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. Nc3 c6 5. Nf3 Bd6 6. Be3 Ne7 7. Bd3 Bf5 8. h3 0-0 9. Qd2 Qd7 10. Bxf5 Nxf5 11. 0-0 Nxe3 12. Qxe3 Qf5 13. Qd2 Na6 14. Rfe1 Bf4 15. Qd3 Qxd3 16. cxd3 Nb4 17. Re7 Rab8 18. Rd1 Rfe8 19. Rxe8+ Rxe8 20. Kf1 h5 21. Ne1 Bh6 22. a3 Na6 23. Nf3 Nc7 24. Re1 Rxe1+ 25. Kxe1 Bc1 26. Nd1 Ne6 27. g3 g5 28. a4 f5 29. g4 hxg4 30. hxg4 fxg4 31. Ne5 Nxd4 32. Nxg4 Kg7 33. Ne5 Kf6 34. Ng4+ Kf5 35. Nge3+ Kf4 36. b4 a6 37. Kf1 Bd2 38. b5 axb5 39. axb5 Nxb5 40. Nc2 c5 41. Nb2 Nc3 42. Na3 Bc1 0-1

[Event "Pan American-ch U18"]
[Site "Cali"]
[Date "2011.07.08"]
[Round "9"]
[White "Guelgua, Alvaro"]
[Black "Esquivia Cuadrado, Franklin Javier"]
[Result "1-0"]
[ECO "B35"]
[WhiteElo "2076"]
[BlackElo "1963"]
[PlyCount "43"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. 0-0 0-0 9. Bb3 d6 10. h3 Bd7 11. f4 Qh5 12. Nf3 b5 13. a3 a5 14. Qd3 Rab8 15. Ne2 Bh8 16. Ng3 Qh6 17. Qd2 Rfd8 18. e5 Nh5 19. f5 Qxe3+ 20. Qxe3 Nxg3 21. fxg6 Nxf1 22. gxf7+ 1-0

[Event "Pan American-ch U18"]
[Site "Cali"]
[Date "2011.07.07"]
[Round "8"]
[White "Guelgua, Alvaro"]
[Black "Garduno Vidal, Omar Gerardo"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2076"]
[PlyCount "73"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 Bg7 11. Bd3 Ne7 12. Nxe7 Qxe7 13. 0-0 0-0 14. c3 f5 15. Nc2 f4 16. a4 bxa4 17. Rxa4 Bb7 18. Qh5 f5 19. exf5 d5 20. Qxh7+ Kxh7 21. f6+ Kg8 22. fxe7 Rfe8 23. Rfa1 Rxe7 24. Bxa6 Bxa6 25. Rxa6 Rxa6 26. Rxa6 Rb7 27. Nb4 d4 28. f3 dxc3 29. bxc3 e4 30. fxe4 Bxc3 31. Nd3 Rd7 32. Nxf4 Rd2 33. g3 Bd4+ 34. Kh1 Rd1+ 35. Kg2 Re1 36. Ra2 Rxe4 37. Re2 1-0

[Event "Pan American-ch U18"]
[Site "Cali"]
[Date "2011.07.07"]
[Round "7"]
[White "Morado Rodrigue, Bruno"]
[Black "Guelgua, Alvaro"]
[Result "1-0"]
[ECO "C15"]
[WhiteElo "2053"]
[BlackElo "2076"]
[PlyCount "49"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Nge2 dxe4 5. a3 Be7 6. Nxe4 Nf6 7. Qd3 b6 8. Bf4 Bb7 9. N2c3 Nd5 10. Nxd5 exd5 11. Nc3 0-0 12. Qg3 c5 13. dxc5 bxc5 14. 0-0-0 d4 15. Nb5 Nd7 16. Bc7 Qc8 17. Bd3 Nf6 18. Rhe1 Qd7 19. Nd6 Bxd6 20. Bxd6 Rfc8 21. Re7 Qc6 22. Be5 Ba6 23. Bxh7+ Kf8 24. Bd6 Ne8 25. Rxf7+ 1-0

[Event "Pan American-ch U18"]
[Site "Cali"]
[Date "2011.07.06"]
[Round "5"]
[White "Dominguez, Oscar Alberto"]
[Black "Guelgua, Alvaro"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2040"]
[BlackElo "2076"]
[PlyCount "49"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Qa4 8. Qb1 a6 9. Nf3 Nc6 10. Bd3 cxd4 11. cxd4 Nxd4 12. Nxd4 Qxd4 13. 0-0 Ne7 14. Re1 0-0 15. Bxh7+ Kh8 16. Bb4 Re8 17. Bxe7 Rxe7 18. Re3 g6 19. c3 Qg4 20. Rg3 Qf5 21. Qb4 Re8 22. Qh4 Kg7 23. Bxg6 fxg6 24. Rh3 Qxh3 25. Qf6+ 1-0

[Event "Pan American-ch U18"]
[Site "Cali"]
[Date "2011.07.06"]
[Round "6"]
[White "Guelgua, Alvaro"]
[Black "Brizuela Abreu, Ronald Jesus"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2076"]
[PlyCount "85"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Qxf6 10. Nf3 h6 11. 0-0 Bd6 12. Ng3 0-0 13. Bb1 Rd8 14. Re1 Nf8 15. Ne5 Bd7 16. Nh5 Qh4 17. Nf4 Be8 18. a3 Rac8 19. Qd3 Qf6 20. Nxc6 bxc6 21. g3 c5 22. dxc5 Bxc5 23. Qe2 Bf7 24. Ba2 Bb6 25. Qe5 Rc2 26. Qxf6 Bxf2+ 27. Kf1 gxf6 28. Re2 Rxe2 29. Nxe2 Bb6 30. Bxh6 Ng6 31. b4 Ne5 32. h3 Be8 33. a4 Bxa4 34. Bxd5 Rxd5 35. Rxa4 Rd1+ 36. Kg2 Re1 37. Ra2 Nd3 38. Rd2 Nxb4 39. Nf4 Kh7 40. Bf8 Nc6 41. Rd7+ Kg8 42. Ng6 Re2+ 43. Kf1 1-0

[Event "Pan American-ch U18"]
[Site "Cali"]
[Date "2011.07.05"]
[Round "4"]
[White "Guelgua, Alvaro"]
[Black "Barreto, Gary"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2076"]
[BlackElo "1862"]
[PlyCount "49"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 Qb6 8. Nf3 Be7 9. 0-0 0-0 10. Re1 cxd4 11. cxd4 Re8 12. b3 a5 13. Bg5 Bb4 14. Rf1 Nf8 15. Ng3 h6 16. Be3 Bd7 17. Nh5 Be7 18. Bxh6 g6 19. Bxf8 gxh5 20. Bxe7 Nxe7 21. Ng5 Bb5 22. Bxb5 Qxb5 23. Qxh5 Qd3 24. Qxf7+ Kh8 25. Qf6+ 1-0

[Event "Pan American-ch U18"]
[Site "Cali"]
[Date "2011.07.04"]
[Round "3"]
[White "Meza Ponce, Jerry"]
[Black "Guelgua, Alvaro"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2073"]
[BlackElo "2076"]
[PlyCount "49"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e6 2. d3 g6 3. g3 Bg7 4. Bg2 c5 5. Nf3 Nc6 6. c3 e5 7. Nbd2 d6 8. Nc4 h6 9. 0-0 Be6 10. Ne3 Nge7 11. Ne1 0-0 12. f4 Qd7 13. N1c2 exf4 14. gxf4 f5 15. Nd5 Bf7 16. Nce3 Rac8 17. a4 Kh8 18. a5 Ng8 19. Qa4 fxe4 20. dxe4 Nf6 21. a6 b5 22. Nxf6 Bxf6 23. Qxb5 Rb8 24. Qd3 g5 25. e5 1-0

[Event "Pan American-ch U18"]
[Site "Cali"]
[Date "2011.07.03"]
[Round "1"]
[White "Rojas Serrano, Victor"]
[Black "Guelgua, Alvaro"]
[Result "0-1"]
[ECO "D02"]
[BlackElo "2076"]
[PlyCount "68"]
[EventDate "2011.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. Nf3 c6 4. e3 Bg4 5. Nbd2 e6 6. c3 Bd6 7. Bg3 Ne4 8. Be2 Nxg3 9. hxg3 Nd7 10. e4 Qb6 11. exd5 exd5 12. Ne5 Bxe2 13. Qxe2 Bxe5 14. dxe5 0-0-0 15. 0-0-0 Nc5 16. Qg4+ Kb8 17. Qd4 Rde8 18. f4 h5 19. Rh4 Ne6 20. Qxb6 axb6 21. Rdh1 g6 22. Nf3 c5 23. Rd1 Rd8 24. Rhh1 Rd7 25. c4 d4 26. a4 Rhd8 27. Rd3 Ng7 28. Re1 Re8 29. Kd2 Nf5 30. Nh4 Ne3 31. b3 g5 32. Nf3 gxf4 33. Rh1 fxg3 34. Ne1 Rxe5 0-1

[Event "Pan American Continental"]
[Site "Cali"]
[Date "2010.11.22"]
[Round "9"]
[White "Guelgua, Alvaro"]
[Black "Torres Gonzalez, Jose Arturo"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2039"]
[BlackElo "2202"]
[PlyCount "59"]
[EventDate "2010.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 h6 9. Be2 0-0 10. Be3 b6 11. 0-0 Bb7 12. f4 exf4 13. Rxf4 Ne5 14. Qd4 Ng6 15. Rf5 Re8 16. Raf1 d5 17. e5 Nd7 18. Rxf7 Ngxe5 19. Bh5 Nxf7 20. Rxf7 Re5 21. Qg4 Qf6 22. Rxf6 Nxf6 23. Qf3 Rxh5 24. Bd4 Rg5 25. Bxf6 gxf6 26. Qxf6 d4 27. Qe6+ Kh7 28. Qf7+ Rg7 29. Qf5+ Rg6 30. Nd5 1-0

[Event "Pan American Continental"]
[Site "Cali"]
[Date "2010.11.21"]
[Round "8"]
[White "Condori Aranya, Edwin"]
[Black "Guelgua, Alvaro"]
[Result "0-1"]
[ECO "A22"]
[WhiteElo "2171"]
[BlackElo "2039"]
[PlyCount "62"]
[EventDate "2010.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nxc3 6. bxc3 Nc6 7. Rb1 Bc5 8. Qc2 0-0 9. Nf3 f5 10. 0-0 Qf6 11. Ba3 Bxa3 12. Qb3+ Kh8 13. Qxa3 f4 14. d3 Rb8 15. Rb2 Bg4 16. Rfb1 b6 17. Qa4 a5 18. Nd2 Ne7 19. Nf3 g5 20. Qxa5 bxa5 21. Rxb8 Rxb8 22. Rxb8+ Kg7 23. Rb5 Nf5 24. a4 h5 25. Rxa5 Bxf3 26. Bxf3 g4 27. Be4 fxg3 28. hxg3 Nxg3 29. Rc5 Nxe4 30. Rxc7+ Kg6 31. dxe4 g3 0-1

[Event "Pan American Continental"]
[Site "Cali"]
[Date "2010.11.20"]
[Round "6"]
[White "Chirivi Castiblanco, Jenny Astrid"]
[Black "Guelgua, Alvaro"]
[Result "1-0"]
[ECO "D46"]
[WhiteElo "2244"]
[BlackElo "2039"]
[PlyCount "67"]
[EventDate "2010.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Bd3 Bd6 7. 0-0 dxc4 8. Bxc4 0-0 9. Qc2 e5 10. h3 Qe7 11. a3 h6 12. Ba2 Kh8 13. Re1 b6 14. dxe5 Nxe5 15. Nxe5 Qxe5 16. f4 Qe7 17. e4 Bc5+ 18. Be3 Bf5 19. Bxc5 Qxc5+ 20. Qf2 Qxf2+ 21. Kxf2 Be6 22. e5 Nd5 23. Bxd5 Bxd5 24. Nxd5 cxd5 25. Rad1 Rad8 26. Rd4 Rd7 27. Rc1 Kg8 28. Rc6 Re8 29. g4 Kf8 30. Ke3 g6 31. Rd1 Kg7 32. Kd4 Re6 33. Rdc1 Re8 34. f5 1-0

[Event "Pan American Continental"]
[Site "Cali"]
[Date "2010.11.20"]
[Round "7"]
[White "Guelgua, Alvaro"]
[Black "Renteria, Rolando"]
[Result "1-0"]
[ECO "B87"]
[WhiteElo "2039"]
[BlackElo "2201"]
[PlyCount "93"]
[EventDate "2010.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 a6 7. Bb3 Be7 8. 0-0 0-0 9. Be3 b5 10. a3 Bd7 11. f4 Nc6 12. Qf3 Rc8 13. Rad1 Qc7 14. f5 Ne5 15. Qg3 exf5 16. Nxf5 Bxf5 17. Rxf5 Ng6 18. Rdf1 Qb7 19. Nd5 Rc4 20. Bxc4 bxc4 21. Bd4 Nxd5 22. exd5 f6 23. Qc3 Rc8 24. Qb4 Qa8 25. Re1 Bf8 26. Qa4 Ne5 27. Bxe5 dxe5 28. Rd1 Qb7 29. b3 Bc5+ 30. Kh1 cxb3 31. Qxb3 Qxb3 32. cxb3 Bxa3 33. g4 a5 34. d6 Kf7 35. Rf2 Ke6 36. d7 Rd8 37. Rfd2 g6 38. Rd5 Bb4 39. Kg2 f5 40. Kf3 Bc3 41. Rd6+ Ke7 42. gxf5 Bd4 43. Re6+ Kf7 44. Ke4 Rxd7 45. Rxe5 gxf5+ 46. Rxf5+ Ke6 47. Rxa5 1-0

[Event "Pan American Continental"]
[Site "Cali"]
[Date "2010.11.19"]
[Round "5"]
[White "Guelgua, Alvaro"]
[Black "Manrique, Fernando"]
[Result "1-0"]
[ECO "C63"]
[WhiteElo "2039"]
[BlackElo "1964"]
[PlyCount "49"]
[EventDate "2010.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 d5 6. Nxe5 dxe4 7. Nxc6 Qg5 8. Nd4+ c6 9. Bf1 Qe5 10. Nb3 Nf6 11. Qe2 Bd6 12. d4 Qe7 13. Bg5 Bf5 14. 0-0-0 h6 15. Bh4 0-0-0 16. Qc4 g5 17. Bg3 Bxg3 18. hxg3 Nd5 19. Re1 Qc7 20. Nc5 e3 21. Bd3 Bxd3 22. Qxd3 exf2 23. Qf5+ Kb8 24. Qxf2 Rdf8 25. Rxh6 1-0

[Event "Pan American Continental"]
[Site "Cali"]
[Date "2010.11.18"]
[Round "4"]
[White "Buitrago, Juan Carlos"]
[Black "Guelgua, Alvaro"]
[Result "1-0"]
[ECO "D49"]
[WhiteElo "2160"]
[BlackElo "2039"]
[PlyCount "119"]
[EventDate "2010.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5 Bb7 12. exf6 axb5 13. fxg7 Bxg7 14. 0-0 Qb6 15. Qe2 b4 16. Bf4 0-0 17. Rfc1 Ba6 18. Rc7 e5 19. Rac1 exf4 20. R1c6 Bxd3 21. Qxd3 Rxa2 22. h4 Ne5 23. Nxe5 Qa5 24. Nxf7 Ra1+ 25. Kh2 Qh5 26. Ng5 Qxh4+ 27. Nh3 Be5 28. Rc1 Bxc7 29. Qc4+ Kh8 30. Rxa1 Be5 31. Qxb4 Rg8 32. Qc5 Qh5 33. f3 Qf5 34. Re1 Re8 35. Re4 Qf6 36. Qd5 Re7 37. b4 Kg7 38. b5 h6 39. b6 Qd6 40. Qxd6 Bxd6 41. Rxe7+ Bxe7 42. b7 Bd6 43. Nf2 Kg6 44. Kg1 Bb8 45. Ne4 Kh5 46. Nd2 Kh4 47. Kf2 Ba7 48. Nf1 h5 49. Ke2 Kg5 50. Kd3 Kf5 51. Nd2 Kg5 52. Nb3 Kh4 53. Nxd4 Bb8 54. Ke4 Kg3 55. Ne2+ Kf2 56. Nxf4 h4 57. Ng6 Kg3 58. f4 Kg4 59. f5 Kg5 60. Ne7 1-0

[Event "Pan American Continental"]
[Site "Cali"]
[Date "2010.11.17"]
[Round "2"]
[White "Guelgua, Alvaro"]
[Black "Saladen Dulce, Rafael"]
[Result "1-0"]
[ECO "B88"]
[WhiteElo "2039"]
[BlackElo "2195"]
[PlyCount "119"]
[EventDate "2010.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 a6 8. Bb3 Bd7 9. 0-0 Be7 10. f4 Qc7 11. f5 Nxd4 12. Bxd4 e5 13. Be3 Bc6 14. Qf3 b5 15. Qg3 Kf8 16. Qf3 b4 17. Nd5 Nxd5 18. exd5 Bb5 19. Rfc1 e4 20. Qxe4 Re8 21. Qxb4 Bf6 22. Bd4 Re4 23. c3 Bd3 24. Re1 Bxd4+ 25. cxd4 Rxe1+ 26. Rxe1 Bxf5 27. Qa4 g6 28. Qxa6 Kg7 29. Qc6 Qa7 30. Qxd6 Qxd4+ 31. Kh1 Rc8 32. h3 f6 33. Qe7+ Kh8 34. d6 h5 35. Rd1 Qe5 36. Qxe5 fxe5 37. a4 Rb8 38. Bc4 Bc2 39. Rd5 Bxa4 40. b3 Bd7 41. Rxe5 Rb6 42. Rd5 h4 43. Kg1 Kg7 44. Kf2 Kf6 45. Ke3 Rb8 46. Kd4 Bc6 47. Kc5 Rc8 48. Ba6 Bxd5+ 49. Bxc8 Bxb3 50. Kb6 Ba4 51. Kc7 Kg5 52. d7 Bxd7 53. Bxd7 Kf4 54. Bg4 Kg3 55. Bf3 Kf4 56. Kd6 Kf5 57. Bg4+ Kf6 58. Be6 Kg5 59. Ke5 Kh6 60. Kf6 1-0

[Event "Pan American Continental"]
[Site "Cali"]
[Date "2010.11.17"]
[Round "1"]
[White "Morales, John"]
[Black "Guelgua, Alvaro"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2309"]
[BlackElo "2039"]
[PlyCount "29"]
[EventDate "2010.11.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Qa4 8. Nf3 Nc6 9. h4 cxd4 10. h5 f6 11. cxd4 fxe5 12. dxe5 Qe4+ 13. Be2 Nxe5 14. Bc3 Nf7 15. Rh4 1-0

[Event "Colombia Mire Lea Florida Cup"]
[Site "Colombia"]
[Date "2010.10.17"]
[Round "5.6"]
[White "Guelgua, Alvaro"]
[Black "Ramos, Angel Omar"]
[Result "1-0"]
[ECO "C62"]
[WhiteElo "2039"]
[BlackElo "1600"]
[PlyCount "45"]
[EventDate "2010.10.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 exd4 5. Qxd4 Bd7 6. Bxc6 Bxc6 7. Nc3 Nf6 8. Bg5 Be7 9. 0-0-0 0-0 10. g4 Nd7 11. h4 Ne5 12. Bxe7 Qxe7 13. Nxe5 dxe5 14. Qe3 a6 15. h5 h6 16. Ne2 Qb4 17. Ng3 Rad8 18. g5 hxg5 19. Qxg5 Rxd1+ 20. Rxd1 f6 21. Qg4 Be8 22. Nf5 g5 23. hxg6 1-0

[Event "Colombia Mire Lea Florida Cup"]
[Site "Colombia"]
[Date "2010.10.17"]
[Round "3.2"]
[White "Guelgua, Alvaro"]
[Black "Sanchez, Victor Hugo"]
[Result "0-1"]
[ECO "B70"]
[WhiteElo "2039"]
[BlackElo "2293"]
[PlyCount "42"]
[EventDate "2010.10.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. 0-0 0-0 8. Bb3 Nc6 9. Be3 Ng4 10. Nxc6 Nxe3 11. Nxd8 Nxd1 12. Nxf7 Nxc3 13. Ng5+ Kh8 14. bxc3 Bxc3 15. Rad1 Bd7 16. Rd3 Bf6 17. Nf7+ Kg7 18. e5 Bh4 19. Rd4 Be8 20. Rxh4 Bxf7 21. e6 Be8 0-1

[Event "Colombia Mire Lea Florida Cup"]
[Site "Colombia"]
[Date "2010.10.16"]
[Round "2.7"]
[White "Banguero, Raul"]
[Black "Guelgua, Alvaro"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1543"]
[BlackElo "2039"]
[PlyCount "56"]
[EventDate "2010.10.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. Bg5 Be7 4. Bxe7 Qxe7 5. c3 Nd7 6. e3 Ngf6 7. Nbd2 b6 8. Bd3 Bb7 9. Ne5 Nxe5 10. dxe5 Nd7 11. Qa4 0-0 12. Qf4 f6 13. Qh4 g6 14. f4 Rae8 15. exf6 Rxf6 16. 0-0 e5 17. Qf2 Nc5 18. Bc2 Ba6 19. Rfd1 exf4 20. exf4 Qe2 21. g3 Qxf2+ 22. Kxf2 Re2+ 23. Kg1 g5 24. b4 gxf4 25. bxc5 fxg3 26. hxg3 Rff2 27. Bb3 Rg2+ 28. Kh1 Rh2+ 0-1

[Event "Colombia Mire Lea Florida Cup"]
[Site "Colombia"]
[Date "2010.10.16"]
[Round "1.7"]
[White "Guelgua, Alvaro"]
[Black "Buila Cortes, Harry Yersson"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "2039"]
[BlackElo "1600"]
[PlyCount "49"]
[EventDate "2010.10.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. f4 d6 3. Nf3 Nd7 4. d4 c5 5. dxe5 dxe5 6. fxe5 f6 7. e6 Ne5 8. Bb5+ Bd7 9. exd7+ Nxd7 10. Nc3 a6 11. Bxd7+ Qxd7 12. Bf4 Bd6 13. Bxd6 Rd8 14. e5 f5 15. Nd5 Nh6 16. Nc7+ Kf7 17. e6+ Qxe6+ 18. Nxe6 Rde8 19. Nfg5+ Kg6 20. 0-0 Ng4 21. Qd5 Ne3 22. Qe5 Ng4 23. Qxg7+ Kh5 24. Nf4+ Kh4 25. g3# 1-0

[Event "Pan American-ch U20"]
[Site "Cali"]
[Date "2010.05.26"]
[Round "9"]
[White "Sanchez Maya, Simon"]
[Black "Guelgua, Alvaro"]
[Result "1-0"]
[ECO "C23"]
[WhiteElo "2166"]
[BlackElo "2018"]
[PlyCount "35"]
[EventDate "2010.05.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 136 Extra"]
[Source "ChessBase"]
[SourceDate "2010.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2010.07.15"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Bc5 3. b4 Bxb4 4. f4 Nc6 5. Nf3 Bc5 6. Rf1 exf4 7. d4 Bb6 8. Bxf4 Qe7 9. Ng5 Nh6 10. c3 d6 11. Nd2 0-0 12. Qh5 Bg4 13. Qh4 Rad8 14. Qg3 Bh5 15. Nh3 Nf5 16. Qg5 Bg6 17. 0-0-0 Qxg5 18. Bxg5 1-0

[Event "Pan American-ch U20"]
[Site "Cali"]
[Date "2010.05.25"]
[Round "8"]
[White "Guelgua, Alvaro"]
[Black "Moran, Daniel Stiven"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2018"]
[BlackElo "2084"]
[PlyCount "55"]
[EventDate "2010.05.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 136 Extra"]
[Source "ChessBase"]
[SourceDate "2010.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2010.07.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Qxf6 10. 0-0 Bd6 11. Nf3 h6 12. Ng3 0-0 13. Bb1 Rd8 14. Re1 Nf8 15. Ne5 Bxe5 16. dxe5 Qh4 17. a4 Bd7 18. Ra3 Be8 19. Rf3 Qd4 20. Qe2 Qxa4 21. Rf4 Qa5 22. Rg4 Kh8 23. Bxh6 Rd7 24. b4 Qc7 25. Qf3 Rf7 26. Bxg7+ Kg8 27. Bf6+ Ng6 28. Bxg6 1-0

[Event "Pan American-ch U20"]
[Site "Cali"]
[Date "2010.05.24"]
[Round "7"]
[White "Carlo, Daniel"]
[Black "Guelgua, Alvaro"]
[Result "1/2-1/2"]
[ECO "B25"]
[WhiteElo "2044"]
[BlackElo "2018"]
[PlyCount "85"]
[EventDate "2010.05.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 136 Extra"]
[Source "ChessBase"]
[SourceDate "2010.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2010.07.15"]
[SourceQuality "1"]

1. e4 e6 2. d3 c5 3. g3 g6 4. Bg2 Bg7 5. f4 Nc6 6. Nf3 Nge7 7. 0-0 d6 8. Nc3 Nd4 9. g4 h5 10. g5 b5 11. Nxd4 Bxd4+ 12. Kh1 Rb8 13. e5 Bxc3 14. bxc3 Bb7 15. Bxb7 Rxb7 16. exd6 Qxd6 17. a4 b4 18. Qf3 Qd5 19. Be3 Qxf3+ 20. Rxf3 bxc3 21. Bxc5 Nd5 22. Bd4 0-0 23. Ra3 Rc8 24. Rf2 Rb4 25. Be5 Rc6 26. Kg2 Kf8 27. Kf3 Ke7 28. Rf1 Rb2 29. Rc1 Kd7 30. Ke2 Kc8 31. Raa1 Kb7 32. Rab1 Rcb6 33. Ra1 Ka6 34. Ra3 Rc6 35. Kf3 Ka5 36. Bg7 Rb4 37. Be5 a6 38. Rca1 Rb2 39. R1a2 Rxa2 40. Rxa2 Kb4 41. Bg7 Ka5 42. Ra3 Kb4 43. Bf8+ 1/2-1/2

[Event "Pan American-ch U20"]
[Site "Cali"]
[Date "2010.05.23"]
[Round "6"]
[White "Guelgua, Alvaro"]
[Black "Zuleta, Juan Esteban"]
[Result "1-0"]
[ECO "B88"]
[WhiteElo "2018"]
[BlackElo "1916"]
[PlyCount "65"]
[EventDate "2010.05.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 136 Extra"]
[Source "ChessBase"]
[SourceDate "2010.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2010.07.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Be7 8. 0-0 0-0 9. Be3 Nc6 10. f4 Qc7 11. Qf3 Re8 12. h3 Bf8 13. g4 Nd7 14. f5 Nde5 15. Qg3 Na5 16. Rf2 b5 17. Raf1 Nxb3 18. axb3 b4 19. Nce2 Qb7 20. Qf4 Qe7 21. Ng3 a5 22. g5 f6 23. Qh4 Nf7 24. gxf6 Qxf6 25. fxe6 Qxh4 26. exf7+ Kh8 27. fxe8Q Qxg3+ 28. Rg2 Qxe3+ 29. Rff2 Bb7 30. Qf7 Bxe4 31. Kh2 h6 32. Nf5 Qc1 33. Ne7 1-0

[Event "Pan American-ch U20"]
[Site "Cali"]
[Date "2010.05.23"]
[Round "5"]
[White "Torres Rodriguez, Juan Camilo"]
[Black "Guelgua, Alvaro"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "2205"]
[BlackElo "2018"]
[PlyCount "91"]
[EventDate "2010.05.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 136 Extra"]
[Source "ChessBase"]
[SourceDate "2010.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2010.07.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. g4 dxc4 8. Bxc4 e5 9. g5 Nd5 10. Ne4 Bc7 11. Bd2 exd4 12. Nxd4 N7b6 13. Be2 Qe7 14. a3 Bh3 15. Bd3 Rd8 16. 0-0-0 Nd7 17. f4 Bb6 18. Rde1 Nc5 19. Nxc5 Qxc5 20. Bc4 0-0 21. Rhg1 Rfe8 22. Rg3 Bc8 23. f5 Bc7 24. Nb3 Bxg3 25. Nxc5 Bxe1 26. g6 Bxd2+ 27. Qxd2 hxg6 28. fxg6 Be6 29. Nxb7 Rd7 30. Nc5 Rde7 31. e4 Nc7 32. Nxe6 Nxe6 33. gxf7+ Kxf7 34. Qf4+ Kg6 35. Qf5+ Kh6 36. h4 Rf8 37. Qe5 Rf6 38. Qd6 Re8 39. Qd7 Rd8 40. Qe7 Rd4 41. b3 Rxe4 42. Qe8 Rf2 43. Qh8+ Kg6 44. Bd3 Kf5 45. Qh7+ g6 46. Qf7+ 1-0

[Event "Pan American-ch U20"]
[Site "Cali"]
[Date "2010.05.22"]
[Round "4"]
[White "Guelgua, Alvaro"]
[Black "Fernandez, Fernando"]
[Result "0-1"]
[ECO "B35"]
[WhiteElo "2018"]
[BlackElo "2381"]
[PlyCount "90"]
[EventDate "2010.05.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 136 Extra"]
[Source "ChessBase"]
[SourceDate "2010.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2010.07.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. 0-0 0-0 9. Bb3 d6 10. h3 Bd7 11. f4 Rfc8 12. Qf3 Be8 13. g4 Nd7 14. Nxc6 bxc6 15. f5 Ne5 16. Qf2 c5 17. Nd5 c4 18. Nxe7+ Kh8 19. Nxc8 Rxc8 20. Rfd1 cxb3 21. axb3 Qb4 22. Rd4 Nf3+ 23. Qxf3 Bxd4 24. c3 Rxc3 25. bxc3 Qxc3 26. Rd1 Qxe3+ 27. Qxe3 Bxe3+ 28. Kg2 Bc5 29. f6 Bc6 30. Kf3 h6 31. h4 g5 32. hxg5 hxg5 33. Rh1+ Kg8 34. Rh5 Bd4 35. Rxg5+ Kf8 36. Ra5 Ke8 37. g5 Kd7 38. Rf5 Ke6 39. Kf4 Be5+ 40. Ke3 Bxe4 41. Rf1 Bc2 42. b4 d5 43. Rf2 d4+ 44. Kd2 Bg6 45. Rf1 d3 0-1

[Event "Pan American-ch U20"]
[Site "Cali"]
[Date "2010.05.21"]
[Round "2"]
[White "Guelgua, Alvaro"]
[Black "Valencia, David Fernando"]
[Result "1-0"]
[ECO "B72"]
[WhiteElo "2018"]
[BlackElo "1826"]
[PlyCount "53"]
[EventDate "2010.05.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 136 Extra"]
[Source "ChessBase"]
[SourceDate "2010.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2010.07.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 0-0 8. Bb3 d6 9. h3 Bd7 10. 0-0 Qc8 11. f4 Nxd4 12. Bxd4 Bc6 13. Qd3 Nd7 14. f5 Bxd4+ 15. Qxd4 Ne5 16. f6 Qd7 17. Rad1 Rfd8 18. Bd5 a6 19. Qe3 Qe8 20. Qg5 e6 21. Bb3 Rd7 22. Rf4 Kh8 23. Rh4 b5 24. Rh6 a5 25. Rf1 a4 26. Rf4 Qf8 27. Rfh4 1-0

[Event "Pan American-ch U20"]
[Site "Cali"]
[Date "2010.05.20"]
[Round "1"]
[White "Rojas Alarcon, Julian Antonio"]
[Black "Guelgua, Alvaro"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2298"]
[BlackElo "2018"]
[PlyCount "47"]
[EventDate "2010.05.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 136 Extra"]
[Source "ChessBase"]
[SourceDate "2010.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2010.07.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Qa4 8. dxc5 Nd7 9. Nf3 Qe4+ 10. Be3 Nxe5 11. Nxe5 Qxe5 12. Bb5+ Bd7 13. Bxd7+ Kxd7 14. 0-0 Ne7 15. Rb1 Kc8 16. Qg4 h5 17. Qa4 Qc7 18. Rfd1 e5 19. f4 e4 20. Bf2 Qxf4 21. c6 bxc6 22. Qa6+ Kd7 23. Bc5 Rhb8 24. Rb7+ 1-0

[Event "COL-ch School U17"]
[Site "Yumbo"]
[Date "2010.04.30"]
[Round "7.1"]
[White "Guelgua, Alvaro"]
[Black "Narvaez, Zamir Alexis"]
[Result "1/2-1/2"]
[ECO "B47"]
[WhiteElo "2018"]
[BlackElo "2168"]
[PlyCount "50"]
[EventDate "2010.04.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. g3 a6 7. Bg2 Nf6 8. 0-0 Bc5 9. Nb3 Ba7 10. Bf4 Ne5 11. Qe2 d6 12. Rad1 Bd7 13. Nd4 h5 14. Nf3 b5 15. a3 Bc5 16. Nxe5 dxe5 17. Be3 h4 18. h3 Qb6 19. Rd3 hxg3 20. fxg3 a5 21. Bxc5 Qxc5+ 22. Qf2 Rc8 23. Qxc5 Rxc5 24. Rf2 Ke7 25. Nd1 Rhc8 1/2-1/2

[Event "COL-ch School U17"]
[Site "Yumbo"]
[Date "2010.04.29"]
[Round "6.1"]
[White "Guelgua, Alvaro"]
[Black "Sanahuano, Gabriel Andres"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2018"]
[PlyCount "97"]
[EventDate "2010.04.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 Be7 8. 0-0 0-0 9. f4 f5 10. Nf3 cxd4 11. cxd4 Nb4 12. Bb1 Nb6 13. a3 Nc6 14. h3 Bd7 15. g4 g6 16. b3 a5 17. a4 Rc8 18. gxf5 gxf5 19. Ba3 Nb4 20. Bxb4 Bxb4 21. Kh2 Kh8 22. Ra2 Be7 23. Rg1 Be8 24. Qe1 Nd7 25. Nc1 Bf7 26. Rag2 Rg8 27. Rxg8+ Bxg8 28. Ne2 Nf8 29. Ng5 Ng6 30. Nc3 Nxf4 31. Nf3 Qf8 32. Ne2 Qh6 33. Rg3 Nh5 34. Rg1 Qe3 35. Qf1 Qxb3 36. Qg2 Bf7 37. Qf2 Qxa4 38. Ng5 Bxg5 39. Rxg5 Bg6 40. Nf4 Nxf4 41. Qxf4 Qd7 42. h4 Qf7 43. Qf3 h6 44. Rg2 Bh5 45. Qe3 Kh7 46. Qa3 Rc4 47. Qd3 Qe7 48. Qg3 Qxh4+ 49. Qxh4 1-0

[Event "COL-ch School U17"]
[Site "Yumbo"]
[Date "2010.04.29"]
[Round "5.1"]
[White "Rios, Cristhian Camilo"]
[Black "Guelgua, Alvaro"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "2248"]
[BlackElo "2018"]
[PlyCount "37"]
[EventDate "2010.04.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[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. e3 Nbd7 6. Qc2 dxc4 7. Bxc4 Bd6 8. g4 b5 9. Be2 Bb7 10. g5 Nd5 11. Ne4 Be7 12. Bd2 Qb6 13. Rc1 Rc8 14. Nc5 Bxc5 15. dxc5 Qc7 16. Qe4 Rd8 17. h4 0-0 18. Bd3 g6 19. h5 1-0

[Event "COL-ch School U17"]
[Site "Yumbo"]
[Date "2010.04.28"]
[Round "4.1"]
[White "Guelgua, Alvaro"]
[Black "Valencia, Adrian David"]
[Result "1-0"]
[ECO "B87"]
[WhiteElo "2018"]
[BlackElo "1909"]
[PlyCount "57"]
[EventDate "2010.04.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. 0-0 b4 9. Na4 Nxe4 10. Re1 d5 11. Bf4 Be7 12. Bxb8 Rxb8 13. Nc6 Qc7 14. Nxb8 Bh4 15. g3 Nxg3 16. hxg3 Bxg3 17. fxg3 Qxg3+ 18. Kf1 Qh3+ 19. Kf2 Qh2+ 20. Ke3 e5 21. Qf3 Bb7 22. Bxd5 Qh6+ 23. Kd3 0-0 24. Rxe5 Qg6+ 25. Qf5 Qg3+ 26. Re3 Qd6 27. Qxf7+ Kh8 28. Qxb7 Rxb8 29. Qc6 1-0

[Event "COL-ch School U17"]
[Site "Yumbo"]
[Date "2010.04.28"]
[Round "3.1"]
[White "Juez, Jose Yesid"]
[Black "Guelgua, Alvaro"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2021"]
[BlackElo "2018"]
[PlyCount "112"]
[EventDate "2010.04.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d3 c5 3. Nf3 g6 4. g3 Bg7 5. Bg2 Nc6 6. 0-0 d6 7. c3 e5 8. Re1 Nge7 9. Nbd2 0-0 10. Nf1 h6 11. Ne3 Be6 12. a3 a5 13. a4 f5 14. Nh4 f4 15. Nd5 g5 16. Nxe7+ Nxe7 17. Nf5 Nxf5 18. exf5 Rxf5 19. Bxb7 Rb8 20. Bg2 Rf7 21. Qe2 Qf6 22. f3 h5 23. d4 cxd4 24. cxd4 Qg6 25. Ra3 Rb4 26. gxf4 gxf4 27. dxe5 Bxe5 28. Kh1 Rg7 29. Qf1 Bc4 30. Qf2 Bd4 31. Qd2 h4 32. h3 Rb8 33. Re4 Be3 34. Raxe3 fxe3 35. Rxe3 Bf1 36. Re2 Bxe2 37. Qxe2 Re8 38. Qc4+ Re6 39. Bg5 Qf5 40. f4 Kh7 41. Bxh4 Rxg2 42. Kxg2 Qe4+ 43. Qxe4+ Rxe4 44. Kf3 Rxa4 45. Bf6 Kg6 46. Bc3 Kf5 47. Ke3 Re4+ 48. Kd3 a4 49. Bd2 d5 50. Kc3 Kg6 51. Kd3 Kh5 52. f5 Rh4 53. f6 Kg6 54. Bc3 Kf7 55. Ke3 Ke6 56. Kd3 Rxh3+ 0-1

[Event "COL-ch School U17"]
[Site "Yumbo"]
[Date "2010.04.27"]
[Round "2.1"]
[White "Guelgua, Alvaro"]
[Black "Dominguez, Oscar Alberto"]
[Result "1/2-1/2"]
[ECO "C06"]
[WhiteElo "2018"]
[BlackElo "1892"]
[PlyCount "95"]
[EventDate "2010.04.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. Nf3 Bd6 11. Bf4 Bxf4 12. Nxf4 0-0 13. 0-0 Ne4 14. Qc1 Ng5 15. Nxg5 Qxg5 16. Ne2 Qf6 17. Qc3 Bd7 18. f4 Rac8 19. Rf3 Be8 20. g4 Bg6 21. Raf1 Qh4 22. Bxg6 Qxg4+ 23. Rg3 Qxe2 24. Bd3 Qh5 25. Bb1 Ne7 26. Qb3 b6 27. Qa3 Nc6 28. Qe3 Qe8 29. Kh1 g6 30. Rfg1 Rf6 31. h4 Ne7 32. Qe5 Qf7 33. Rg4 Nf5 34. h5 Kf8 35. Bd3 Ke7 36. Ba6 Rd8 37. Bb5 Nd6 38. Bd3 Nc4 39. Bxc4 dxc4 40. Qc7+ Rd7 41. Qxc4 Rxf4 42. Qb4+ Rd6 43. Qa3 Rxg4 44. Qxa7+ Rd7 45. Qa3+ Rd6 46. Qa7+ Ke8 47. Qxf7+ Kxf7 48. Rxg4 1/2-1/2

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2010.04.18"]
[Round "7"]
[White "Guelgua, Alvaro"]
[Black "Aponte Martinez, Juan Camilo"]
[Result "1/2-1/2"]
[ECO "C63"]
[WhiteElo "2018"]
[PlyCount "13"]
[EventDate "2010.04.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 135 Extra"]
[Source "ChessBase"]
[SourceDate "2010.05.04"]
[SourceVersion "1"]
[SourceVersionDate "2010.05.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 Nf6 5. d3 d6 6. 0-0 h6 7. Nh4 1/2-1/2

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2010.04.17"]
[Round "5"]
[White "Guelgua, Alvaro"]
[Black "Escobar Medina, Andres F"]
[Result "0-1"]
[ECO "B87"]
[WhiteElo "2018"]
[BlackElo "2110"]
[PlyCount "96"]
[EventDate "2010.04.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 135 Extra"]
[Source "ChessBase"]
[SourceDate "2010.05.04"]
[SourceVersion "1"]
[SourceVersionDate "2010.05.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. 0-0 Be7 9. Qf3 Qc7 10. Re1 0-0 11. Qg3 b4 12. Na4 Bd7 13. a3 bxa3 14. Rxa3 Nc6 15. Nxc6 Bxc6 16. Nc3 Qb7 17. Bh6 Ne8 18. Bg5 Bxg5 19. Qxg5 Nf6 20. Qe3 d5 21. e5 Nd7 22. Ne2 a5 23. Nd4 a4 24. Ba2 Rfc8 25. Rb1 Rab8 26. Qg5 h6 27. Qh5 Qa7 28. Rd3 Bb5 29. Rd2 Qa5 30. Rbd1 Nc5 31. f3 Na6 32. g4 Qc7 33. f4 Nc5 34. g5 hxg5 35. Rg2 Ne4 36. f5 Qxe5 37. fxe6 fxe6 38. Nxe6 Bc4 39. Bxc4 Rxc4 40. Nxg5 Nxg5 41. Qxg5 Qxg5 42. Rxg5 Rxb2 43. Rgxd5 a3 44. Ra1 a2 45. Kg2 Rcxc2+ 46. Kg3 Rg2+ 47. Kf3 Rxh2 48. Ra5 Rbg2 0-1

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2010.04.17"]
[Round "6"]
[White "Herrera, Juan Sebastian"]
[Black "Guelgua, Alvaro"]
[Result "1-0"]
[ECO "C22"]
[WhiteElo "2115"]
[BlackElo "2018"]
[PlyCount "93"]
[EventDate "2010.04.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 135 Extra"]
[Source "ChessBase"]
[SourceDate "2010.05.04"]
[SourceVersion "1"]
[SourceVersionDate "2010.05.04"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Nf6 5. Nc3 Be7 6. Bd2 d5 7. exd5 Nxd5 8. Qg3 Nxc3 9. Bxc3 Bf6 10. Bc4 Bf5 11. Qe3+ Qe7 12. Qxe7+ Bxe7 13. 0-0-0 0-0 14. Ne2 Bb4 15. Bxb4 Nxb4 16. Nd4 Bg6 17. a3 Na6 18. Rhe1 Rfe8 19. Nb5 Kf8 20. Rxe8+ Kxe8 21. f4 Bf5 22. h3 h5 23. Nd4 Bd7 24. Nf3 f6 25. Bf7+ Kxf7 26. Rxd7+ Kf8 27. Nh4 Re8 28. Ng6+ Kg8 29. f5 Kh7 30. b4 b5 31. Kb2 Kh6 32. h4 Rc8 33. Ne7 Re8 34. Kb3 Ra8 35. a4 bxa4+ 36. Kxa4 c5 37. b5 Nb4 38. c3 Nc2 39. Nd5 Ne1 40. Nf4 Nc2 41. Nd5 Ne1 42. Nf4 Nc2 43. Re7 Na1 44. Re1 Nc2 45. Re2 Na1 46. Ra2 g5 47. Ne6 1-0

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2010.04.16"]
[Round "4"]
[White "Avila, Pedro Andres"]
[Black "Guelgua, Alvaro"]
[Result "0-1"]
[ECO "A08"]
[WhiteElo "2117"]
[BlackElo "2018"]
[PlyCount "50"]
[EventDate "2010.04.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 135 Extra"]
[Source "ChessBase"]
[SourceDate "2010.05.04"]
[SourceVersion "1"]
[SourceVersionDate "2010.05.04"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 g6 4. Ngf3 Bg7 5. g3 Ne7 6. Bg2 c5 7. 0-0 0-0 8. Re1 b5 9. c3 Nbc6 10. Qc2 b4 11. Nf1 bxc3 12. bxc3 Nb4 13. cxb4 Bxa1 14. Bh6 Bg7 15. Bxg7 Kxg7 16. bxc5 dxe4 17. dxe4 Ba6 18. Ne3 Qa5 19. Rc1 Rab8 20. Nd4 Qb4 21. Nb3 Nc6 22. Ng4 e5 23. Qb2 f6 24. Ne3 Nd4 25. Nd5 Qa4 0-1

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2010.04.16"]
[Round "3"]
[White "Guelgua, Alvaro"]
[Black "Torres Rodriguez, Juan Camilo"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "2018"]
[BlackElo "2205"]
[PlyCount "85"]
[EventDate "2010.04.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 135 Extra"]
[Source "ChessBase"]
[SourceDate "2010.05.04"]
[SourceVersion "1"]
[SourceVersionDate "2010.05.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. 0-0 Qc7 7. c4 d6 8. b3 g6 9. Bb2 Bg7 10. Nd2 0-0 11. Kh1 Nbd7 12. Rc1 b6 13. f4 Bb7 14. Qe1 e5 15. fxe5 dxe5 16. N4f3 Nh5 17. b4 Nf4 18. Bb1 Rae8 19. Qe3 Ne6 20. c5 b5 21. Qb3 Nb8 22. a4 bxa4 23. Qxa4 Bc6 24. Qb3 Bb5 25. Nc4 Nc6 26. Rf2 Bxc4 27. Qxc4 Qb7 28. Bc3 Ned4 29. Ba2 h6 30. Nh4 Ne6 31. Rcf1 Ncd4 32. Qd3 a5 33. Bd5 Qe7 34. g3 axb4 35. Bxb4 Rb8 36. Qc4 Kh7 37. Rb2 Qc7 38. c6 Rfe8 39. Rbf2 f6 40. Ra2 Ra8 41. Rxa8 Rxa8 42. Bxe6 Ra4 43. Bg8+ 1-0

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2010.04.15"]
[Round "2"]
[White "Guelgua, Alvaro"]
[Black "Nieto, Manuel Valerio Wald"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2018"]
[BlackElo "1729"]
[PlyCount "63"]
[EventDate "2010.04.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 135 Extra"]
[Source "ChessBase"]
[SourceDate "2010.05.04"]
[SourceVersion "1"]
[SourceVersionDate "2010.05.04"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bc4 c6 6. Nf3 Bg4 7. Bd2 Qc7 8. 0-0 e6 9. Re1 Bd6 10. h3 Bh5 11. Bg5 Nbd7 12. Qe2 0-0 13. g4 Bg6 14. Ne5 Nd5 15. h4 Nxc3 16. bxc3 Bxe5 17. dxe5 h6 18. Be7 Rfe8 19. Bd6 Qa5 20. Qf3 Bxc2 21. g5 Qd8 22. Qg3 Kh7 23. Rac1 Bf5 24. Rcd1 h5 25. Rd4 Qc8 26. Rf4 Nb6 27. Rxf5 exf5 28. Bxf7 Nd5 29. g6+ Kh8 30. Qg5 Nf6 31. exf6 Rxe1+ 32. Kg2 1-0

[Event "COL-ch U20"]
[Site "Bogota"]
[Date "2010.04.15"]
[Round "1"]
[White "Narvaez, Zamir Alexis"]
[Black "Guelgua, Alvaro"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2168"]
[BlackElo "2018"]
[PlyCount "45"]
[EventDate "2010.04.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 135 Extra"]
[Source "ChessBase"]
[SourceDate "2010.05.04"]
[SourceVersion "1"]
[SourceVersionDate "2010.05.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Qc2 a6 8. a4 Nbd7 9. Nbd2 Nd5 10. Nxc4 b6 11. Nfe5 Bb7 12. Qb3 Rb8 13. e4 Nb4 14. Rd1 f6 15. Nxd7 Qxd7 16. Bd2 a5 17. Bxb4 Bxb4 18. d5 exd5 19. exd5 Kh8 20. Ne3 Rbe8 21. Rac1 Bc5 22. Rxc5 bxc5 23. Qxb7 1-0

[Event "Valle Region-ch U20 Absoluto"]
[Site "Cali"]
[Date "2010.03.07"]
[Round "7"]
[White "Escobar Barona, Juan Fernando"]
[Black "Guelgua, Alvaro"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "1991"]
[BlackElo "2018"]
[PlyCount "33"]
[EventDate "2010.03.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. 0-0 Bd6 11. Nf3 Qc7 12. a3 0-0 13. Qc2 g6 14. Bh6 Kh8 15. Bxf8 Bxf8 16. Qd2 Bd6 17. Qg5 1-0

[Event "Valle Region-ch U20 Absoluto"]
[Site "Cali"]
[Date "2010.03.06"]
[Round "3"]
[White "Guelgua, Alvaro"]
[Black "Hernandez, Cristian Andres"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2018"]
[BlackElo "1932"]
[PlyCount "51"]
[EventDate "2010.03.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 a6 7. Bc4 Bg4 8. Bxf7+ Ke7 9. Bb3 Nc6 10. Be3 Qa5 11. 0-0 Kd7 12. h3 Bh5 13. Nd5 Nxd5 14. exd5 Bxf3 15. Qxf3 Ne7 16. c4 Rc8 17. Qf7 Qd8 18. Rfc1 b6 19. Bd1 Kc7 20. Bg4 Qe8 21. Qf3 Rd8 22. b4 h5 23. Be6 Nc8 24. c5 Kb7 25. Bxc8+ Rxc8 26. cxb6 1-0

[Event "Valle Region-ch U20 Absoluto"]
[Site "Cali"]
[Date "2010.03.06"]
[Round "4"]
[White "Orozco, Lina Yomayra"]
[Black "Guelgua, Alvaro"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2107"]
[BlackElo "2018"]
[PlyCount "76"]
[EventDate "2010.03.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 cxb4 5. a3 Nc6 6. axb4 Bxb4 7. c3 Be7 8. d4 a6 9. Bd3 Rb8 10. 0-0 b5 11. Qe2 Na5 12. Nbd2 Qc7 13. Bb2 Nc4 14. Bxc4 bxc4 15. Ba3 Nh6 16. h3 Bxa3 17. Rxa3 Qe7 18. Rfa1 0-0 19. Ne1 f5 20. exf6 gxf6 21. Ra5 Qg7 22. Kh1 Kh8 23. Nc2 Rg8 24. g4 Nf7 25. Nb4 Qh6 26. Qe3 Qh4 27. Qg3 Qxg3 28. fxg3 Nd6 29. Rf1 f5 30. Rc5 fxg4 31. hxg4 Rxg4 32. Rf8+ Rg8 33. Rf3 Nf5 34. Kh2 Nxd4 35. Rf7 Nb5 36. Nf3 Rb7 37. Rf4 Nxc3 38. Nc6 Rb2+ 0-1

[Event "Valle Region-ch U20 Absoluto"]
[Site "Cali"]
[Date "2010.03.06"]
[Round "5"]
[White "Rios, Cristhian Camilo"]
[Black "Guelgua, Alvaro"]
[Result "1-0"]
[ECO "D43"]
[WhiteElo "2248"]
[BlackElo "2018"]
[PlyCount "45"]
[EventDate "2010.03.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[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. Bg5 h6 6. Bxf6 Qxf6 7. e3 Nd7 8. Bd3 g6 9. 0-0 Bg7 10. e4 dxe4 11. Nxe4 Qe7 12. c5 0-0 13. Re1 Rd8 14. Qc2 Nf6 15. Nd6 Ne8 16. Nxe8 Qxe8 17. Rad1 b6 18. Be4 Bb7 19. Ne5 Rac8 20. Nc4 Bxd4 21. Nd6 Rxd6 22. cxd6 e5 23. Bxg6 1-0

[Event "Cali Menor 2100 op 11th"]
[Site "Cali"]
[Date "2009.12.30"]
[Round "8.1"]
[White "Vargas, Eduar Misael"]
[Black "Guelgua, Alvaro"]
[Result "1/2-1/2"]
[ECO "D43"]
[WhiteElo "1929"]
[BlackElo "2004"]
[PlyCount "54"]
[EventDate "2009.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 h6 6. Bh4 dxc4 7. e4 g5 8. Bg3 b5 9. Ne5 Bb7 10. h4 Rg8 11. hxg5 hxg5 12. Nxf7 Kxf7 13. e5 Nbd7 14. exf6 Qxf6 15. Rh7+ Rg7 16. Rh2 Bb4 17. Be2 c5 18. Kf1 Qxd4 19. Nxb5 Qxd1+ 20. Rxd1 Bd5 21. Nc7 Rc8 22. Nxd5 exd5 23. Rxd5 Nf6 24. Rd6 c3 25. Bc4+ Ke7 26. bxc3 Bxc3 27. Re6+ Kd8 1/2-1/2

[Event "Cali Menor 2100 op 11th"]
[Site "Cali"]
[Date "2009.12.29"]
[Round "7.1"]
[White "Palacio, Pablo Persi"]
[Black "Guelgua, Alvaro"]
[Result "0-1"]
[ECO "D46"]
[WhiteElo "1946"]
[BlackElo "2004"]
[PlyCount "30"]
[EventDate "2009.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[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. e3 e6 5. Nf3 Nbd7 6. Qc2 Bd6 7. Bd3 dxc4 8. Bxc4 b5 9. Bd3 Bb7 10. e4 e5 11. dxe5 Nxe5 12. Nxe5 Bxe5 13. h3 0-0 14. Ne2 c5 15. Bxb5 Qa5+ 0-1

[Event "Cali Menor 2100 op 11th"]
[Site "Cali"]
[Date "2009.12.28"]
[Round "5.1"]
[White "Salazar, Marco A"]
[Black "Guelgua, Alvaro"]
[Result "1/2-1/2"]
[ECO "C00"]
[BlackElo "2004"]
[PlyCount "77"]
[EventDate "2009.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Qe2 Nf6 4. g3 g6 5. Bg2 Bg7 6. Nh3 0-0 7. 0-0 c5 8. f4 Nc6 9. c3 b5 10. a3 Qb6 11. Nf2 a5 12. h3 c4 13. d4 dxe4 14. Nxe4 Nd5 15. Kh2 Ba6 16. g4 Rad8 17. f5 exf5 18. gxf5 Bxd4 19. cxd4 Nxd4 20. Qg4 Bc8 21. Nbc3 Bxf5 22. Qg5 Nxc3 23. Nf6+ Kh8 24. Qh4 h5 25. bxc3 Rd6 26. Nxh5 gxh5 27. Qxh5+ Bh7 28. cxd4 Qxd4 29. Bf4 Re6 30. Rad1 Qb2 31. Rd2 Qxa3 32. Bh6 Rg8 33. Rxf7 Qg3+ 34. Kg1 Re1+ 35. Rf1 Rxf1+ 36. Kxf1 Bd3+ 37. Kg1 Qe1+ 38. Kh2 Qg3+ 39. Kg1 1/2-1/2

[Event "Cali Menor 2100 op 11th"]
[Site "Cali"]
[Date "2009.12.27"]
[Round "3.1"]
[White "Alvaro Rada, Gonzalo"]
[Black "Guelgua, Alvaro"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1645"]
[BlackElo "2004"]
[PlyCount "34"]
[EventDate "2009.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Qb3 cxd4 7. Qxb6 axb6 8. cxd4 Nb4 9. Na3 Rxa3 10. Bb5+ Bd7 11. Bxd7+ Kxd7 12. bxa3 Nc2+ 13. Kd1 Nxa1 14. Bb2 Nh6 15. h3 Be7 16. Kd2 Ra8 17. Rxa1 Bxa3 0-1

[Event "Cali Menor 2100 op 11th"]
[Site "Cali"]
[Date "2009.12.26"]
[Round "1.1"]
[White "Vargas, Edwin Antonio"]
[Black "Guelgua, Alvaro"]
[Result "1-0"]
[ECO "C01"]
[BlackElo "2004"]
[PlyCount "57"]
[EventDate "2009.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[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 Bd6 5. Ne2 Ne7 6. Bg5 Nbc6 7. c3 f6 8. Bh4 Be6 9. Qc2 Qd7 10. b4 f5 11. f4 h6 12. Nd2 0-0-0 13. a4 Bxf4 14. Nxf4 g5 15. 0-0 gxf4 16. a5 Rdg8 17. b5 Nd8 18. Nf3 Ng6 19. Bf6 Rh7 20. b6 a6 21. bxc7 Nc6 22. Rfe1 Rf7 23. Rxe6 Qxe6 24. Bxf5 Rxf6 25. Bxe6+ Rxe6 26. Qf5 Rge8 27. c4 Nh4 28. Nxh4 Nxd4 29. Qxd5 1-0

[Event "COL-ch U18"]
[Site "Medellin"]
[Date "2009.12.18"]
[Round "8"]
[White "Torres, Juan Camilo"]
[Black "Guelgua, Alvaro"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "2204"]
[BlackElo "2004"]
[PlyCount "45"]
[EventDate "2009.12.15"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c5 3. e3 Nf6 4. c3 Nc6 5. dxc5 a5 6. Nd4 e5 7. Nxc6 bxc6 8. b4 Be7 9. Bb2 0-0 10. Be2 Ne4 11. a3 f5 12. Nd2 Be6 13. 0-0 Nxd2 14. Qxd2 f4 15. c4 Qc7 16. cxd5 Bxd5 17. f3 fxe3 18. Qxe3 Rf5 19. Bd3 Rh5 20. Be4 Bg5 21. Qe2 Qf7 22. Bxe5 Re8 23. f4 1-0

[Event "COL-ch U18"]
[Site "Medellin"]
[Date "2009.12.17"]
[Round "5"]
[White "Guelgua, Alvaro"]
[Black "Hernandez Sanchez, Jairo Andres"]
[Result "1-0"]
[ECO "B72"]
[WhiteElo "2004"]
[BlackElo "2066"]
[PlyCount "61"]
[EventDate "2009.12.15"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. Bc4 0-0 8. 0-0 d6 9. h3 Bd7 10. Bb3 Nxd4 11. Bxd4 Bc6 12. Qd3 b5 13. f4 b4 14. Nd5 Bxd5 15. exd5 Nd7 16. Bxg7 Kxg7 17. Qd4+ f6 18. Qxb4 Nc5 19. Rfe1 Re8 20. Qd4 Rb8 21. Re3 a5 22. Rae1 Rb4 23. Bc4 Kf7 24. b3 h6 25. f5 g5 26. Qg4 Rh8 27. Qh5+ Kf8 28. Qg6 Rb7 29. Rxe7 Rxe7 30. Qxf6+ Ke8 31. Bb5+ 1-0

[Event "COL-ch U18"]
[Site "Medellin"]
[Date "2009.12.17"]
[Round "6"]
[White "Jaramillo Ochoa, Mateo"]
[Black "Guelgua, Alvaro"]
[Result "1/2-1/2"]
[ECO "C78"]
[WhiteElo "1936"]
[BlackElo "2004"]
[PlyCount "54"]
[EventDate "2009.12.15"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bb7 7. Re1 Bc5 8. c3 d6 9. d4 Bb6 10. Bg5 Qe7 11. a4 h6 12. Bh4 g5 13. axb5 gxh4 14. bxc6 Bxc6 15. Qd3 Nh5 16. Rxa6 Nf4 17. Rxa8+ Bxa8 18. Qb5+ Kf8 19. dxe5 Rg8 20. exd6 Qxd6 21. Qf5 Qg6 22. Qxg6 Rxg6 23. Nxh4 Rg4 24. g3 Nd3 25. Re2 Nc1 26. Rd2 Rxe4 27. Rd8+ Ke7 1/2-1/2

[Event "COL-ch U18"]
[Site "Medellin"]
[Date "2009.12.16"]
[Round "4"]
[White "Barros, Raul Junior"]
[Black "Guelgua, Alvaro"]
[Result "1-0"]
[ECO "C19"]
[WhiteElo "2078"]
[BlackElo "2004"]
[PlyCount "63"]
[EventDate "2009.12.15"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Qa4 8. Nf3 Ne7 9. Qb1 a6 10. Bd3 c4 11. Be2 Nbc6 12. 0-0 b5 13. h3 f6 14. exf6 gxf6 15. Nh4 Ng6 16. Bh5 Nce7 17. Bh6 Rg8 18. Qc1 Bd7 19. Qf4 0-0-0 20. Qxf6 Qxc2 21. Rac1 Qb2 22. Nxg6 Nxg6 23. Bg4 Qxa3 24. Bxe6 Qd6 25. Rfe1 Rge8 26. Bxd7+ Kxd7 27. Qf7+ Re7 28. Qf5+ Kc6 29. Bg5 Rxe1+ 30. Rxe1 Rf8 31. Qg4 Nf4 32. Be7 1-0

[Event "COL-ch U18"]
[Site "Medellin"]
[Date "2009.12.16"]
[Round "3"]
[White "Guelgua, Alvaro"]
[Black "Narvaez, Zamir Alexis"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "2004"]
[BlackElo "2170"]
[PlyCount "45"]
[EventDate "2009.12.15"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 0-0 11. 0-0 d4 12. Ne4 Bf5 13. Bg5 Bxe4 14. Bxe4 h6 15. Bxf6 Qxf6 16. Qd2 Ne5 17. Rad1 Rfd8 18. Qb4 a5 19. Qb5 Qf4 20. Rde1 Ng4 21. g3 Qd6 22. Re2 Ra6 23. Rfe1 1-0

[Event "COL-ch U18"]
[Site "Medellin"]
[Date "2009.12.15"]
[Round "1"]
[White "Gomez Ahumada, Diego Alejandro"]
[Black "Guelgua, Alvaro"]
[Result "0-1"]
[ECO "C00"]
[BlackElo "2004"]
[PlyCount "52"]
[EventDate "2009.12.15"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. Bd3 Nf6 4. Qe2 c5 5. b3 Nc6 6. Bb2 Nb4 7. c3 Nxd3+ 8. Qxd3 Nxe4 9. Qe3 Bd6 10. Ba3 0-0 11. d3 Nf6 12. Bxc5 Ng4 13. Qd4 e5 14. Qb4 a5 15. Qa3 Bxc5 16. Qxc5 b6 17. Qa3 Ba6 18. h3 Nh6 19. d4 exd4 20. Nxd4 Re8+ 21. Kd1 Qf6 22. f3 Nf5 23. Nxf5 Qxf5 24. Re1 Qd3+ 25. Nd2 Rxe1+ 26. Kxe1 Qe2# 0-1

[Event "COL-ch U18"]
[Site "Medellin"]
[Date "2009.12.15"]
[Round "2"]
[White "Guelgua, Alvaro"]
[Black "Rios, Cristhian Camilo"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "2004"]
[BlackElo "2225"]
[PlyCount "142"]
[EventDate "2009.12.15"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nc6 6. Be3 Qc7 7. g3 Nf6 8. Bg2 d5 9. exd5 Nxd5 10. Bxd5 exd5 11. 0-0 Be6 12. Nc3 Rd8 13. Nb5 Qd7 14. Nc5 Qc8 15. Nxe6 fxe6 16. Nxa7 Nxa7 17. Bxa7 Be7 18. Bd4 0-0 19. Re1 Bf6 20. c3 Rde8 21. f4 Rf7 22. a4 Qc4 23. a5 Bxd4+ 24. Qxd4 Qc8 25. Ra4 Rc7 26. Re3 Rc6 27. Re5 Qc7 28. Rb4 Ra8 29. f5 Qf7 30. fxe6 Rxe6 31. Rxe6 Qxe6 32. Rxb7 Qe1+ 33. Kg2 Qe2+ 34. Qf2 Qe6 35. Rb6 Qe5 36. Qf4 Qe2+ 37. Kh3 Rf8 38. Qg4 Qf1+ 39. Kh4 Qf2 40. h3 g6 41. Qe6+ Kg7 42. Qe5+ Kg8 43. Rb7 Rf7 44. Rxf7 Qxf7 45. a6 h5 46. Kg5 Kh7 47. b4 Qd7 48. b5 Qd8+ 49. Kf4 Qf8+ 50. Kg5 Qd8+ 51. Qf6 Qe8 52. Qd4 Qb8 53. Qxd5 Qxg3+ 54. Kf6 Qxc3+ 55. Ke7 Qxh3 56. Kd6 Qg3+ 57. Kc5 h4 58. Kb6 Qe3+ 59. Qc5 Qe6+ 60. Qc6 Qe3+ 61. Kb7 Kh6 62. a7 Qe7+ 63. Kb6 Qe3+ 64. Ka6 Qa3+ 65. Kb7 Qe7+ 66. Qc7 Qe4+ 67. Kb8 Qe8+ 68. Kb7 Qxb5+ 69. Qb6 Qd7+ 70. Ka6 Qa4+ 71. Kb7 Qd7+ 1/2-1/2

[Event "COL-ch U18"]
[Site "Medellin"]
[Date "2009.12.??"]
[Round "7"]
[White "Guelgua, Alvaro"]
[Black "De Arco, Luis Carlos"]
[Result "1/2-1/2"]
[ECO "C90"]
[WhiteElo "2004"]
[BlackElo "2214"]
[PlyCount "69"]
[EventDate "2009.12.15"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. d3 Na5 10. Bc2 c5 11. Nbd2 Re8 12. Nf1 h6 13. Ng3 Nc6 14. a4 b4 15. h3 Bf8 16. d4 bxc3 17. bxc3 cxd4 18. cxd4 Bd7 19. Ba3 a5 20. Qd2 Rc8 21. Bb3 exd4 22. Nxd4 Qb6 23. Nb5 Ne5 24. Rab1 Bxb5 25. axb5 a4 26. Ba2 Nc4 27. Bxc4 Rxc4 28. Qd3 Rec8 29. Rec1 Rxc1+ 30. Rxc1 Rxc1+ 31. Bxc1 Nd7 32. Ba3 Ne5 33. Qd5 Qa5 34. Kh2 Qb6 35. Kg1 1/2-1/2

[Event "Valle Region-ch U18"]
[Site "Cali"]
[Date "2009.11.??"]
[Round "6.2"]
[White "Arturo, Jose Elver Jr"]
[Black "Guelgua, Alvaro"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "1866"]
[BlackElo "2004"]
[PlyCount "105"]
[EventDate "2009.11.14"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 e6 3. Bb2 Nf6 4. g3 c5 5. Ne5 Nc6 6. Nxc6 bxc6 7. Bg2 Be7 8. d3 Qc7 9. Nd2 e5 10. e4 h5 11. exd5 cxd5 12. Qe2 Bd6 13. Nc4 dxc4 14. Bxa8 cxd3 15. cxd3 0-0 16. Bg2 Qa5+ 17. Qd2 Qb5 18. 0-0 Bc7 19. Rfe1 Rd8 20. Bxe5 Bxe5 21. Rxe5 Rxd3 22. Bf1 Rxd2 23. Bxb5 Bb7 24. Re2 Rd4 25. Bc4 Ne4 26. Rae1 Ng5 27. Re8+ Kh7 28. Be2 Rd2 29. Re7 Bd5 30. Re5 f6 31. Re7 Rxa2 32. f4 Ne4 33. Bd3 f5 34. Re5 Bxb3 35. Rxf5 g6 36. Rf7+ Bxf7 37. Rxe4 Ra1+ 38. Kf2 a5 39. Re5 c4 40. Be4 a4 41. Rxh5+ Kg7 42. Ra5 c3 43. Ke3 Re1+ 44. Kd3 c2 45. Kxc2 Rxe4 46. Kd3 Rb4 47. Kc2 Bb3+ 48. Kb2 Re4 49. h4 Re2+ 50. Ka3 Rg2 51. h5 Rxg3 52. hxg6 Kxg6 53. Rg5+ 1/2-1/2

[Event "Valle Region-ch U18"]
[Site "Cali"]
[Date "2009.11.??"]
[Round "7.2"]
[White "Dominguez, Oscar Alberto"]
[Black "Guelgua, Alvaro"]
[Result "0-1"]
[ECO "C78"]
[WhiteElo "1755"]
[BlackElo "2004"]
[PlyCount "46"]
[EventDate "2009.11.14"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bb7 7. d4 exd4 8. e5 Ne4 9. Bd5 Nc5 10. Nxd4 Nxd4 11. Bxb7 Nxb7 12. Qxd4 Qe7 13. Rd1 Qe6 14. a4 Bc5 15. Qe4 Qb6 16. a5 Qc6 17. Qf4 0-0-0 18. c3 f6 19. b4 fxe5 20. Qxe5 Rde8 21. Qg3 Ba7 22. Ra2 Qe6 23. Qd3 Qxa2 0-1

[Event "Valle Region-ch U18"]
[Site "Cali"]
[Date "2009.11.??"]
[Round "1.3"]
[White "Guelgua, Alvaro"]
[Black "Calderon, Arlex"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2004"]
[BlackElo "1600"]
[PlyCount "59"]
[EventDate "2009.11.14"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 d5 3. e5 Bf5 4. Ne2 e6 5. Be3 Nge7 6. f3 h6 7. g4 Bh7 8. Ng3 Qd7 9. Nc3 a6 10. a3 f5 11. g5 hxg5 12. Bxg5 g6 13. Qd2 Bg8 14. Be2 Bf7 15. b4 b5 16. a4 Nxb4 17. axb5 Qc8 18. bxa6 Nxa6 19. 0-0 Nc6 20. Bb5 Qb7 21. Rfb1 Nab8 22. Ba6 Qa7 23. Nb5 Qxa6 24. Nxc7+ Kd7 25. Nxa6 Rxa6 26. Rxa6 Nxa6 27. Rb7+ Ke8 28. Qc3 Ne7 29. Rxe7+ Bxe7 30. Qc8+ 1-0

[Event "Valle Region-ch U18"]
[Site "Cali"]
[Date "2009.11.??"]
[Round "4.2"]
[White "Guelgua, Alvaro"]
[Black "Ossa, Juan Sebastian"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "2004"]
[BlackElo "1921"]
[PlyCount "68"]
[EventDate "2009.11.14"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. 0-0 d6 7. c4 g6 8. b3 Bg7 9. Bb2 0-0 10. Nd2 Qc7 11. Kh1 Nbd7 12. f4 b6 13. f5 Nc5 14. Bc2 gxf5 15. exf5 e5 16. N4f3 Bb7 17. Qe2 Kh8 18. Ng5 Rg8 19. b4 Bh6 20. bxc5 Rxg5 21. Ne4 Nxe4 22. Bxe4 bxc5 23. Bc1 Rag8 24. Bxg5 Bxg5 25. Rab1 Bxe4 26. Qxe4 f6 27. Rb7 Qd8 28. Rfb1 Qe8 29. Qd5 e4 30. Qxd6 Qf8 31. Re7 Bf4 32. Rbb7 Rg7 33. Qe6 Rxe7 34. Rxe7 Qa8 1-0

[Event "Valle Region-ch U18"]
[Site "Cali"]
[Date "2009.11.??"]
[Round "3.1"]
[White "Narvaez, Zamir Alexis"]
[Black "Guelgua, Alvaro"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2170"]
[BlackElo "2004"]
[PlyCount "65"]
[EventDate "2009.11.14"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 b5 6. Ne5 Bb7 7. a4 a6 8. 0-0 e6 9. Nc3 Nd5 10. e4 Nxc3 11. bxc3 Nd7 12. f4 Bd6 13. Qg4 0-0 14. Rb1 f5 15. Qh3 Nb6 16. a5 Na4 17. Bd2 c5 18. Nxc4 bxc4 19. Rxb7 cxd4 20. cxd4 c3 21. Be3 Rb8 22. e5 Ba3 23. Ra1 c2 24. Rxb8 Qxb8 25. Rxa3 Qb1+ 26. Bf1 Qe1 27. Qg2 Rc8 28. Qe2 Qb4 29. Bc1 Nb2 30. Ra2 Qxd4+ 31. Qe3 Qxe3+ 32. Bxe3 Nd1 33. Bc1 1-0

[Event "Valle Region-ch U18"]
[Site "Cali"]
[Date "2009.11.??"]
[Round "2.3"]
[White "Valencia, Adrian David"]
[Black "Guelgua, Alvaro"]
[Result "0-1"]
[ECO "A08"]
[WhiteElo "1911"]
[BlackElo "2004"]
[PlyCount "48"]
[EventDate "2009.11.14"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. Ngf3 Nc6 5. g3 g6 6. Bg2 Bg7 7. 0-0 Nge7 8. Re1 0-0 9. e5 Qc7 10. Qe2 b6 11. Nf1 a5 12. Bf4 Ba6 13. h4 c4 14. a3 Nf5 15. Qd2 cxd3 16. cxd3 Rac8 17. d4 a4 18. N1h2 Na5 19. Ng4 Nb3 20. Qb4 Nxa1 21. Nf6+ Bxf6 22. exf6 Nc2 23. Qxf8+ Kxf8 24. Bxc7 Nxe1 0-1

[Event "Pan American-ch Schools U17"]
[Site "Columbia"]
[Date "2009.10.09"]
[Round "7"]
[White "Guelgua, Alvaro"]
[Black "Duran, Fabian Alberto"]
[Result "1/2-1/2"]
[ECO "B72"]
[WhiteElo "2020"]
[BlackElo "1850"]
[PlyCount "30"]
[EventDate "2009.10.07"]
[EventType "rapid"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. h3 Nc6 8. Be3 0-0 9. 0-0 Ne5 10. Bb3 Bd7 11. f4 Nc6 12. Qf3 e5 13. Ndb5 Be6 14. Rad1 Ne8 15. Bd5 exf4 1/2-1/2

[Event "Pan American-ch Schools U17"]
[Site "Columbia"]
[Date "2009.10.09"]
[Round "6"]
[White "Guelgua, Alvaro"]
[Black "Suarez, Walter Camilo"]
[Result "0-1"]
[ECO "B47"]
[WhiteElo "2020"]
[BlackElo "1946"]
[PlyCount "104"]
[EventDate "2009.10.07"]
[EventType "rapid"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 Qc7 6. g3 a6 7. Bg2 Nf6 8. 0-0 Be7 9. Kh1 h5 10. Bg5 d6 11. f4 Bd7 12. a4 Qb6 13. Nb3 Ng4 14. Bxe7 Kxe7 15. Qe2 Ne3 16. Rf3 Nxg2 17. Kxg2 Rad8 18. Rd1 Rhe8 19. Rfd3 Bc8 20. Qxh5 Nb4 21. a5 Qc7 22. R3d2 b5 23. axb6 Qxb6 24. Qg5+ Kf8 25. Qa5 Qb8 26. Nc5 Nc6 27. Qa4 dxc5 28. Qxc6 Rxd2+ 29. Rxd2 Qb4 30. Qd6+ Kg8 31. Qc6 Rf8 32. Qa4 Qxb2 33. Qb3 Qc1 34. Rd3 Bb7 35. Qa4 c4 36. Qxc4 Qxc2+ 37. Kf3 Rc8 38. Qd4 f5 39. Qd7 fxe4+ 40. Nxe4 Qc4 41. Rd4 Qf1+ 42. Kg4 Qe2+ 43. Kg5 Rf8 44. Qxe6+ Kh8 45. Qh3+ Kg8 46. Qe6+ Kh8 47. Kg6 Bc8 48. Qe5 Qg4+ 49. Ng5 Bf5+ 50. Qxf5 Qxf5+ 51. Kh5 g6+ 52. Kh6 Qb1 0-1

