[Event "Rivera Huila Hernandez Memorial-B"]
[Site "Rivera Huila"]
[Date "2023.07.23"]
[Round "7"]
[White "Ceballos Castellanos, Isabela"]
[Black "Chaux, Oscar Orlando"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1675"]
[BlackElo "1907"]
[PlyCount "53"]
[EventDate "2023.07.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 Bg4 6. Be2 e6 7. h3 Bh5 8. c4 Qd6 9. d5 Bxf3 10. Bxf3 Qe5+ 11. Be3 0-0-0 12. Nc3 Nd4 13. 0-0 Nf5 14. Re1 Bd6 15. g3 Qf6 16. Ne4 Qe7 17. Nxd6+ Qxd6 18. Bf4 Qa6 19. b4 cxb4 20. Rb1 g5 21. Bxg5 f6 22. Bd2 Nd4 23. Bg4 f5 24. Bxb4 fxg4 25. Qxd4 Nh6 26. Rxe6 Qxe6 27. Qc5+ 1-0

[Event "Rivera Huila Hernandez Memorial-B"]
[Site "Rivera Huila"]
[Date "2023.07.23"]
[Round "6"]
[White "Chaux, Oscar Orlando"]
[Black "Valencia Lopez, Daily Vanessa"]
[Result "1/2-1/2"]
[ECO "E18"]
[WhiteElo "1907"]
[BlackElo "1705"]
[PlyCount "82"]
[EventDate "2023.07.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. g3 d5 4. d4 Be7 5. Bg2 0-0 6. Nf3 b6 7. Ne5 Bb7 8. 0-0 c5 9. dxc5 bxc5 10. b3 Nc6 11. Nxc6 Bxc6 12. Qc2 Qd7 13. cxd5 exd5 14. Rd1 Qe6 15. Bg5 Rfd8 16. Rac1 Rac8 17. e4 d4 18. Bxf6 Bxf6 19. Nd5 Bxd5 20. exd5 Qd7 21. Re1 Bg5 22. f4 Be7 23. Qd3 Bf6 24. Re4 g6 25. h3 Kf8 26. Qa6 Bg7 27. Qa5 Qc7 28. Qxc7 Rxc7 29. Ree1 Bf6 30. Kf1 Rd6 31. Rc4 Ra6 32. Re2 Be7 33. Rd2 Bd6 34. Rdc2 Re7 35. Kf2 Rb6 36. Bf1 Re3 37. Re2 Rxe2+ 38. Bxe2 Ke7 39. Ra4 Rb7 40. Ra6 Bb8 41. Rc6 Bd6 1/2-1/2

[Event "Rivera Huila Hernandez Memorial-B"]
[Site "Rivera Huila"]
[Date "2023.07.22"]
[Round "4"]
[White "Chaux, Oscar Orlando"]
[Black "Duran Cardoso, Tomas"]
[Result "1-0"]
[ECO "E68"]
[WhiteElo "1907"]
[BlackElo "1550"]
[PlyCount "57"]
[EventDate "2023.07.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 c6 7. Nc3 Nbd7 8. e4 e5 9. b3 Re8 10. d5 cxd5 11. cxd5 Nc5 12. Re1 Bg4 13. b4 Nfxe4 14. Nxe4 Nxe4 15. Rxe4 f5 16. Rxg4 e4 17. Nd4 fxg4 18. Rb1 Qd7 19. Ne6 Rxe6 20. dxe6 Qxe6 21. Bb2 Bxb2 22. Rxb2 d5 23. Qd4 Rc8 24. Rd2 Rc1+ 25. Bf1 Rxf1+ 26. Kxf1 Qa6+ 27. Kg2 Qa3 28. Qxd5+ Kg7 29. Qe5+ 1-0

[Event "Rivera Huila Hernandez Memorial-B"]
[Site "Rivera Huila"]
[Date "2023.07.22"]
[Round "5"]
[White "Zambrano, Karina"]
[Black "Chaux, Oscar Orlando"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "1708"]
[BlackElo "1907"]
[PlyCount "57"]
[EventDate "2023.07.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. h3 0-0 5. e3 d6 6. Be2 Nfd7 7. Bg3 e5 8. dxe5 dxe5 9. Nc3 Nc6 10. 0-0 Re8 11. Bc4 h6 12. Qd5 Qe7 13. Qe4 Nb6 14. Nd5 Nxd5 15. Bxd5 Qc5 16. Bb3 Bf5 17. Qa4 e4 18. Nh4 b5 19. Qa3 Qxa3 20. bxa3 Bxa1 21. Nxf5 Ne5 22. Nxh6+ Kg7 23. Nxf7 Nxf7 24. Rxa1 c6 25. a4 Rad8 26. axb5 cxb5 27. a4 b4 28. a5 Ne5 29. Ba4 1/2-1/2

[Event "Rivera Huila Hernandez Memorial-B"]
[Site "Rivera Huila"]
[Date "2023.07.21"]
[Round "2"]
[White "Chaux, Oscar Orlando"]
[Black "Osorio Jaramillo, Christian Alonso"]
[Result "1/2-1/2"]
[ECO "A03"]
[WhiteElo "1907"]
[BlackElo "1578"]
[PlyCount "76"]
[EventDate "2023.07.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nf6 3. b3 e6 4. Bb2 Nbd7 5. e3 b6 6. Be2 Bd6 7. 0-0 Bb7 8. Na3 a6 9. c4 Qe7 10. Nc2 0-0 11. Qe1 dxc4 12. bxc4 e5 13. Nh4 exf4 14. Bf3 Bxf3 15. Rxf3 Ne5 16. Bxe5 Bxe5 17. d4 Bd6 18. exf4 g6 19. Re3 Qd7 20. g3 Rae8 21. Nf3 Ng4 22. Re2 Qc6 23. Nd2 Nf6 24. Qf1 Rxe2 25. Qxe2 Re8 26. Qd3 Ne4 27. Nf3 f5 28. Ne5 Qa4 29. Ne3 Bxe5 30. dxe5 Qb4 31. Qd7 Re7 32. Qd8+ Kf7 33. Nd5 Qc5+ 34. Kh1 Re8 35. Qd7+ Kf8 36. Nxc7 Re7 37. Ne6+ Rxe6 38. Qxe6 Qf2 1/2-1/2

[Event "Rivera Huila Hernandez Memorial-B"]
[Site "Rivera Huila"]
[Date "2023.07.21"]
[Round "3"]
[White "Triana Castro, Francisco Javier"]
[Black "Chaux, Oscar Orlando"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1564"]
[BlackElo "1907"]
[PlyCount "137"]
[EventDate "2023.07.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. b4 Nf6 2. Bb2 e6 3. a3 b6 4. e3 Bb7 5. Nf3 Be7 6. c4 0-0 7. Bxf6 Bxf6 8. d4 c5 9. Nbd2 d6 10. Bd3 d5 11. 0-0 dxc4 12. Nxc4 cxd4 13. Nxd4 Qd5 14. f3 Bxd4 15. exd4 Qxd4+ 16. Kh1 Rd8 17. Be4 Bxe4 18. fxe4 Nc6 19. Qe2 b5 20. Nb2 a6 21. Rad1 Qe5 22. Nd3 Qc3 23. Nc5 Qxa3 24. Qf2 f6 25. Nxe6 Rxd1 26. Rxd1 Qb3 27. Rd5 Qb1+ 28. Qg1 Qxe4 29. Rd6 Nxb4 30. h3 Rc8 31. Qd1 Re8 32. Qb3 Qe1+ 33. Kh2 Qe5+ 34. Nf4+ Kh8 35. Qxb4 g5 36. Rxa6 gxf4 37. Qd6 Kg7 38. Ra7+ Kg6 39. Qd3+ f5 40. Qf3 Re6 41. h4 Qe3 42. Rb7 Qxf3 43. gxf3 Re3 44. Rxb5 Rxf3 45. Kg2 Rg3+ 46. Kf2 Rh3 47. Rb6+ Kh5 48. Rb7 h6 49. Rg7 Kxh4 50. Rg8 Kh5 51. Rf8 Kg6 52. Rg8+ Kf6 53. Rh8 Kg6 54. Rg8+ Kf6 55. Rh8 h5 56. Rg8 h4 57. Rh8 Kg5 58. Rh7 Ra3 59. Rg7+ Kf6 60. Rh7 h3 61. Rh8 h2 62. Rh6+ Kg7 63. Rh4 Kg6 64. Rh8 Kf6 65. Rf8+ Ke5 66. Re8+ Kd4 67. Rh8 Ra2+ 68. Kf3 Kd3 69. Kxf4 1/2-1/2

[Event "Rivera Huila Hernandez Memorial-B"]
[Site "Rivera Huila"]
[Date "2023.07.20"]
[Round "1"]
[White "Jacome Revelo, Daniela Alexandra"]
[Black "Chaux, Oscar Orlando"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "1273"]
[BlackElo "1907"]
[PlyCount "59"]
[EventDate "2023.07.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. 0-0 a6 5. Bxd7+ Bxd7 6. c3 Nf6 7. Re1 e5 8. d4 Qc7 9. a4 Be7 10. dxe5 dxe5 11. Nbd2 Be6 12. Qe2 0-0 13. Nc4 Nd7 14. Ng5 Bxg5 15. Bxg5 f6 16. Be3 b5 17. axb5 axb5 18. Na3 b4 19. cxb4 cxb4 20. Rac1 Qb7 21. Nb5 Ra2 22. Nd6 Qb8 23. Rc6 Rd8 24. Ra6 b3 25. Rb6 Nxb6 26. Bxb6 Qxb6 27. Nc4 Qb5 28. Ne3 Qxe2 29. Rxe2 Ra1+ 30. Nf1 0-1

[Event "Pereira Gildardo Garcia Memorial-B"]
[Site "Pereira"]
[Date "2022.05.22"]
[Round "9"]
[White "Chaux, Oscar Orlando"]
[Black "Perez Lujan, Mateo"]
[Result "1-0"]
[ECO "E67"]
[WhiteElo "1882"]
[BlackElo "1920"]
[PlyCount "26"]
[EventDate "2022.05.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. c4 Nbd7 7. Nc3 e5 8. d5 a5 9. e4 Nc5 10. Ne1 Bg4 11. Qc2 Qd7 12. Nd3 Bh3 13. Nxc5 dxc5 1-0

[Event "Pereira Gildardo Garcia Memorial-B"]
[Site "Pereira"]
[Date "2022.05.22"]
[Round "8"]
[White "Rico Duran, Juan Sebastian"]
[Black "Chaux, Oscar Orlando"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1730"]
[BlackElo "1882"]
[PlyCount "81"]
[EventDate "2022.05.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 0-0 5. Be2 d5 6. 0-0 c5 7. c3 Nc6 8. Ne5 cxd4 9. Nxc6 bxc6 10. cxd4 Bf5 11. Nc3 Nd7 12. Rc1 e5 13. dxe5 Nxe5 14. Na4 Qd6 15. Qd2 a5 16. Rc5 Qd8 17. Rfc1 Re8 18. Rd1 Bf8 19. Rcc1 h5 20. h3 Kh7 21. Nc5 Qb6 22. Nb3 a4 23. Qd4 Nd7 24. Qxb6 Nxb6 25. Nd4 a3 26. Nxf5 axb2 27. Rxc6 Na4 28. Nd6 Re6 29. Bd3 Rd8 30. Bc2 Ra8 31. Rxd5 Bg7 32. Rxh5+ Kg8 33. Rb5 Nc3 34. Rxb2 Ne2+ 35. Kf1 Nxf4 36. Rb7 Rxa2 37. exf4 Bf8 38. g3 Ra1+ 39. Kg2 Rc1 40. Bxg6 Rxc6 41. Bxf7+ 1-0

[Event "Pereira Gildardo Garcia Memorial-B"]
[Site "Pereira"]
[Date "2022.05.21"]
[Round "7"]
[White "Chaux, Oscar Orlando"]
[Black "Tobar Beltran, Jorge Esteban"]
[Result "1-0"]
[ECO "C08"]
[WhiteElo "1882"]
[BlackElo "1893"]
[PlyCount "51"]
[EventDate "2022.05.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. 0-0 Be7 9. dxc5 Nxc5 10. Nb3 0-0 11. Be3 Ne6 12. h3 a6 13. a4 Rc8 14. a5 Qc7 15. c3 Qc4 16. Nbd4 Rfe8 17. Ra4 Qc7 18. Re1 Nc5 19. Ra1 Bd6 20. Nf5 Bf4 21. Bxf4 Qxf4 22. Ne7+ Rxe7 23. Rxe7 Kf8 24. Re3 Rd8 25. Qd4 Nfe4 26. Rae1 1-0

[Event "Pereira Gildardo Garcia Memorial-B"]
[Site "Pereira"]
[Date "2022.05.21"]
[Round "6"]
[White "Hernandez Pinzon, Helvert"]
[Black "Chaux, Oscar Orlando"]
[Result "0-1"]
[ECO "B19"]
[WhiteElo "1908"]
[BlackElo "1882"]
[PlyCount "70"]
[EventDate "2022.05.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. h5 Bh7 8. Nf3 Nd7 9. Bd3 Bxd3 10. Qxd3 Ngf6 11. 0-0 Qc7 12. Re1 0-0-0 13. Qb3 e6 14. Ne5 Nxe5 15. dxe5 Ng4 16. Bf4 Bc5 17. Ne4 Bd4 18. Qg3 Bxe5 19. Bxe5 Nxe5 20. Qxg7 Nf3+ 21. Kf1 Nxe1 22. Rxe1 Rdg8 23. Qd4 Kb8 24. g3 e5 25. Qb4 Ka8 26. Nc5 Rd8 27. Re3 Qb6 28. Qc3 Qb5+ 29. Kg2 b6 30. Nd3 f6 31. Qb3 Qxb3 32. axb3 Rhg8 33. Kh3 Rg5 34. g4 f5 35. Rxe5 Rxd3+ 0-1

[Event "Pereira Gildardo Garcia Memorial-B"]
[Site "Pereira"]
[Date "2022.05.20"]
[Round "4"]
[White "Arrieta Hernandez, Cristian"]
[Black "Chaux, Oscar Orlando"]
[Result "1-0"]
[ECO "D40"]
[WhiteElo "1863"]
[BlackElo "1882"]
[PlyCount "41"]
[EventDate "2022.05.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. e3 e6 5. a3 d5 6. d4 cxd4 7. exd4 dxc4 8. Bxc4 Qa5 9. Bg5 Be7 10. b4 Qf5 11. b5 Na5 12. Bd3 Qg4 13. h3 Qh5 14. Ke2 Nd5 15. Nxd5 Bxg5 16. Nc7+ Ke7 17. g4 Qh6 18. Qc2 Bf4 19. Ne5 Rb8 20. Qc5+ Kf6 21. g5+ 1-0

[Event "Pereira Gildardo Garcia Memorial-B"]
[Site "Pereira"]
[Date "2022.05.20"]
[Round "5"]
[White "Chaux, Oscar Orlando"]
[Black "Gomez Morales, Juan Sebastian"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "1882"]
[BlackElo "1655"]
[PlyCount "73"]
[EventDate "2022.05.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. c4 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Qc2 a6 8. a4 Bd7 9. Nbd2 c3 10. bxc3 Bc6 11. e4 Nbd7 12. a5 b5 13. Re1 Bb7 14. c4 bxc4 15. Rb1 Rb8 16. Nxc4 Ba8 17. Bf4 Rxb1 18. Qxb1 c5 19. Nb6 Bc6 20. Bf1 Nxb6 21. axb6 Qa8 22. Bd3 h6 23. dxc5 Bxc5 24. Ne5 Bb7 25. Kg2 Rd8 26. f3 Nd7 27. Nc4 Bxb6 28. Nxb6 Nxb6 29. Bc7 Rxd3 30. Qxd3 Na4 31. Rb1 Nc5 32. Qd4 Nxe4 33. Qd8+ Qxd8 34. Bxd8 Bd5 35. Rb8 Kh7 36. fxe4 Bxe4+ 37. Kf2 1-0

[Event "Pereira Gildardo Garcia Memorial-B"]
[Site "Pereira"]
[Date "2022.05.19"]
[Round "3"]
[White "Chaux, Oscar Orlando"]
[Black "Ayala Delgado, Sergio Alejandro"]
[Result "1-0"]
[ECO "D21"]
[WhiteElo "1882"]
[BlackElo "1514"]
[PlyCount "51"]
[EventDate "2022.05.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. c4 dxc4 4. Qa4+ Nd7 5. Qxc4 Nb6 6. Qc2 Nf6 7. e4 Bd7 8. Be2 Rc8 9. Be3 Bb4+ 10. Nbd2 Ng4 11. Bg5 Be7 12. Bxe7 Qxe7 13. Rc1 e5 14. h3 Nh6 15. Nxe5 0-0 16. Nxd7 Nxd7 17. 0-0 Rfe8 18. Qb3 Nf5 19. Qd3 c5 20. d5 Ne5 21. Qa3 Nd4 22. Bd1 f5 23. f4 Ng6 24. e5 Nxf4 25. Rxf4 Qxe5 26. Rf1 1-0

[Event "Pereira Gildardo Garcia Memorial-B"]
[Site "Pereira"]
[Date "2022.05.19"]
[Round "2"]
[White "Lopez Trujillo, Alfonso"]
[Black "Chaux, Oscar Orlando"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1676"]
[BlackElo "1882"]
[PlyCount "47"]
[EventDate "2022.05.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c5 2. f4 Nc6 3. Nf3 g6 4. Bc4 Bg7 5. c3 e6 6. 0-0 d5 7. exd5 exd5 8. Bb5 Nge7 9. d4 Qb6 10. Bxc6+ bxc6 11. dxc5 Qxc5+ 12. Kh1 0-0 13. Nbd2 Qb6 14. Nb3 Nf5 15. Re1 Ba6 16. Ne5 Rfe8 17. Nd4 Nxd4 18. Qxd4 Re6 19. Qxb6 axb6 20. Bd2 c5 21. Nf3 Re2 22. Rxe2 Bxe2 23. Ng1 Bc4 24. a3 0-1

[Event "Pereira Gildardo Garcia Memorial-B"]
[Site "Pereira"]
[Date "2022.05.18"]
[Round "1"]
[White "Chaux, Oscar Orlando"]
[Black "Jimenez Rios, Manuel David"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1882"]
[BlackElo "1344"]
[PlyCount "34"]
[EventDate "2022.05.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Bc4 Bg7 5. Nf3 d6 6. 0-0 Nf6 7. d4 cxd4 8. Nxd4 Qb6 9. Bb5 e5 10. fxe5 dxe5 11. Rxf6 0-0 12. Bxc6 Bxf6 13. Nd5 Qxd4+ 14. Qxd4 exd4 15. Nxf6+ Kg7 16. Ne8+ Kh8 17. Bh6 Rg8 1-0

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2022.02.20"]
[Round "9"]
[White "Fitzgerald, Daniela"]
[Black "Chaux, Oscar Orlando"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1647"]
[BlackElo "1894"]
[PlyCount "60"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Nf6 5. Bd3 Nc6 6. Bf4 g6 7. c3 Bg7 8. Na3 a6 9. Nc2 0-0 10. Qd2 Re8 11. Ne5 Nh5 12. Nxc6 bxc6 13. Bh6 Bh8 14. h3 e5 15. 0-0-0 exd4 16. Nxd4 c5 17. Nf3 Qa5 18. Rhe1 Be6 19. Ng5 Qxa2 20. Bb1 Qc4 21. Nxe6 fxe6 22. g4 Nf6 23. Qg5 Ne4 24. Bxe4 dxe4 25. Rd7 Rab8 26. Qd2 Qa4 27. Qd1 Qa1+ 28. Kd2 Qxb2+ 29. Ke3 Qxc3+ 30. Ke2 Rb2+ 0-1

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2022.02.20"]
[Round "8"]
[White "Hernandez, Stefano"]
[Black "Chaux, Oscar Orlando"]
[Result "1-0"]
[ECO "B98"]
[WhiteElo "1706"]
[BlackElo "1894"]
[PlyCount "51"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qc7 8. Qf3 Be7 9. 0-0-0 h6 10. Bh4 Nxe4 11. Nxe4 Bxh4 12. Qg4 f5 13. Qg6+ Kf8 14. Nxf5 exf5 15. Nxd6 Qe7 16. Nxc8 Qf6 17. Qh5 g6 18. Qf3 Nc6 19. Nb6 Rd8 20. Nd7+ Rxd7 21. Rxd7 Qe6 22. Rxb7 Nd4 23. Qc3 Bf6 24. Qc5+ Ke8 25. Bc4 Qe4 26. Bf7+ 1-0

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2022.02.19"]
[Round "6"]
[White "Bermudez Zamboni, Paulo Andres"]
[Black "Chaux, Oscar Orlando"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1780"]
[BlackElo "1894"]
[PlyCount "124"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. Nd5 Nxd5 9. exd5 Bf5 10. a4 Be7 11. Bd3 Bxd3 12. Qxd3 0-0 13. 0-0 Nd7 14. Nd2 Rc8 15. a5 f5 16. Nc4 e4 17. Qe2 Qc7 18. b3 Bf6 19. Rad1 Ne5 20. Bb6 Qd7 21. Nxe5 Bxe5 22. f3 exf3 23. Rxf3 Rce8 24. Qd3 g6 25. Rdf1 Qg7 26. Kh1 f4 27. c4 g5 28. c5 g4 29. R3f2 Qh6 30. g3 f3 31. Kg1 dxc5 32. Bxc5 Bd6 33. Bxd6 Qxd6 34. Qd4 h5 35. Rc1 Rf5 36. Rd2 Rfe5 37. Qf4 Re1+ 38. Rxe1 Rxe1+ 39. Kf2 Qxf4 40. gxf4 Re7 41. d6 Rd7 42. h3 Kf7 43. hxg4 hxg4 44. Kg3 Ke6 45. Kxg4 f2 46. Rxf2 Rxd6 47. Rh2 Rd3 48. Rh6+ Kd5 49. Rb6 Rd1 50. Rxb7 Ra1 51. b4 Rg1+ 52. Kf5 Rb1 53. Kf6 Ke4 54. f5 Rf1 55. Re7+ Kd5 56. Kg6 Rf4 57. f6 Rxb4 58. Re1 Rg4+ 59. Kf5 Rg2 60. f7 Rf2+ 61. Kg6 Rg2+ 62. Kf6 Kc5 1-0

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2022.02.19"]
[Round "7"]
[White "Chaux, Oscar Orlando"]
[Black "Vargas Cristopulus, Daniel Felipe"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "1894"]
[BlackElo "1854"]
[PlyCount "99"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 e6 5. b3 Bd6 6. Bb2 0-0 7. Be2 Nbd7 8. cxd5 exd5 9. Qc2 Qe7 10. 0-0 Re8 11. d3 Nf8 12. h3 h6 13. Rfe1 Bf5 14. Bf1 Qc7 15. Rac1 Rac8 16. a3 N8d7 17. b4 a6 18. Na4 a5 19. Nc5 axb4 20. axb4 Ra8 21. Bd4 Ra3 22. Nxd7 Nxd7 23. Qb2 Rea8 24. Bxg7 Kh7 25. e4 dxe4 26. dxe4 Bxh3 27. Bh8 f6 28. Bxf6 Nxf6 29. Qxf6 Rf8 30. Qh4 Qg7 31. e5 Be7 32. Qe4+ Bf5 33. Qf4 Kh8 34. Kh1 Bg4 35. Qg3 Bxb4 36. Re4 Raxf3 37. Qxg4 Qxg4 38. Rxg4 Rxf2 39. Bd3 R8f4 40. Rg6 Rh4+ 41. Kg1 Rd2 42. Bf5 Ba3 43. e6 Bxc1 44. e7 Rd1+ 45. Kf2 Rf4+ 46. Kg3 Re1 47. Re6 Rxe6 48. Bxe6 Kg7 49. e8Q Rf8 50. Qe7+ 1-0

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2022.02.18"]
[Round "5"]
[White "Chaux, Oscar Orlando"]
[Black "Cometa, Luis Fernando"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1894"]
[BlackElo "1816"]
[PlyCount "76"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. f3 a6 5. a4 g6 6. Be3 Bg7 7. Qd2 Nbd7 8. g4 0-0 9. h4 h5 10. g5 Ne8 11. Bc4 Nb6 12. Bb3 Be6 13. d5 Bd7 14. a5 Nc8 15. Bd4 c5 16. Bxg7 Nxg7 17. Nge2 e5 18. dxe6 Bxe6 19. Nd5 b5 20. axb6 Nxb6 21. Nef4 Nxd5 22. Bxd5 Ra7 23. 0-0 Qe7 24. Rfd1 Rd8 25. Ra5 Qc7 26. Kg2 Qc8 27. Rda1 Bxd5 28. Nxd5 Ne6 29. Qd3 Qb7 30. Qc3 Nd4 31. b4 Ne2 32. Qf6 Rd7 33. b5 Nd4 34. b6 Nxc2 35. bxa7 Nxa1 36. Qxa1 Rd8 37. Rxa6 Ra8 38. Nb6 f5 1-0

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2022.02.18"]
[Round "4"]
[White "Riascos, Guillermo"]
[Black "Chaux, Oscar Orlando"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "1794"]
[BlackElo "1894"]
[PlyCount "78"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 b6 4. Nf3 Bb7 5. Be2 Be7 6. h3 0-0 7. Nbd2 c5 8. c3 Nc6 9. 0-0 cxd4 10. exd4 a6 11. Qc2 Rc8 12. a3 b5 13. Bh2 Qb6 14. Rfc1 Rfd8 15. Bd3 d6 16. Ne4 h6 17. Nxf6+ Bxf6 18. Qe2 Na5 19. Re1 Nc4 20. a4 Bd5 21. Qc2 bxa4 22. Reb1 Bxf3 23. gxf3 Qc6 24. Bxc4 Qxc4 25. Rxa4 Qc6 26. Qd1 Rb8 27. Kg2 Rb5 28. Bf4 Rdb8 29. Bc1 e5 30. dxe5 Rxe5 31. Rba1 Rb6 32. Qd3 Rh5 33. Qe4 d5 34. Qg4 Rh4 35. Qxh4 Bxh4 36. Rxh4 Qb5 37. Rg4 Qe2 38. b3 Re6 39. Be3 Rxe3 0-1

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2022.02.17"]
[Round "3"]
[White "Chaux, Oscar Orlando"]
[Black "Atehortua, Jorge Hernando"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "1894"]
[BlackElo "1772"]
[PlyCount "59"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. 0-0 c5 6. dxc5 Bxc5 7. c4 0-0 8. Nc3 Nc6 9. cxd5 Nxd5 10. Na4 Be7 11. e4 Nb6 12. Nxb6 Qxb6 13. Qe2 Bd7 14. Rd1 Rfd8 15. Be3 Qa5 16. a3 Be8 17. h3 a6 18. Qc4 Rac8 19. Qb3 Rxd1+ 20. Rxd1 b5 21. Kh2 h6 22. Bf1 Rd8 23. Be2 Rxd1 24. Qxd1 b4 25. axb4 Bxb4 26. Qd3 Nb8 27. Nd4 Qc7 28. Qc4 Qxc4 29. Bxc4 Bc5 30. Bf4 1/2-1/2

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2022.02.17"]
[Round "2"]
[White "Ruiz Jaraba, Valentina Sofia"]
[Black "Chaux, Oscar Orlando"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1756"]
[BlackElo "1894"]
[PlyCount "75"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 a6 5. Bc4 Nf6 6. Nf3 Bf5 7. 0-0 b5 8. Bxf7+ Kxf7 9. Ne5+ Kg8 10. Qf3 Ra7 11. Qxf5 e6 12. Qf4 Qd8 13. Ne4 Bd6 14. Ng5 Qe7 15. Be3 h6 16. Ngf3 Rh7 17. Rad1 g5 18. Qg3 Rg7 19. Nd2 Rb7 20. Qf3 Nd5 21. Ne4 Bxe5 22. dxe5 Nd7 23. Bd4 g4 24. Qg3 c5 25. Be3 Rg6 26. f4 Rb8 27. Nd6 Rf8 28. Bc1 Nb4 29. a3 Nc6 30. c3 h5 31. Qd3 Rg7 32. Qe4 Nd8 33. f5 exf5 34. Nxf5 Qe6 35. Nh6+ Kh8 36. Rxf8+ Nxf8 37. Rxd8 Qe7 38. Qa8 1-0

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2022.02.16"]
[Round "1"]
[White "Chaux, Oscar Orlando"]
[Black "Pinillo Canon, Silvana"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "1894"]
[BlackElo "1742"]
[PlyCount "31"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 Nf6 3. g3 Be7 4. Bg2 0-0 5. 0-0 d5 6. d4 dxc4 7. Ne5 Nc6 8. Nxc6 bxc6 9. Qa4 Qxd4 10. Qxc6 Bd7 11. Qxc7 Rab8 12. Nc3 Rfc8 13. Be3 Rxc7 14. Bxd4 Rbc8 15. Rfd1 a6 16. Bb6 1-0

[Event "Medellin Luces op"]
[Site "Medellin"]
[Date "2021.12.20"]
[Round "6"]
[White "Chaux, Oscar Orlando"]
[Black "Montoya Echeverri, Sebastian"]
[Result "1/2-1/2"]
[ECO "B09"]
[WhiteElo "1926"]
[BlackElo "1655"]
[PlyCount "51"]
[EventDate "2021.12.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 g6 2. d4 d6 3. Nc3 Bg7 4. f4 Nf6 5. Nf3 c5 6. Bb5+ Bd7 7. e5 Ng4 8. Bxd7+ Qxd7 9. d5 dxe5 10. h3 e4 11. hxg4 exf3 12. Qxf3 Na6 13. Bd2 Nb4 14. 0-0-0 0-0-0 15. a3 Nxd5 16. Ne4 Qb5 17. Qb3 Qxb3 18. cxb3 Nf6 19. Bc3 Rxd1+ 20. Kxd1 Nxe4 21. Bxg7 Rg8 22. Rxh7 Nf2+ 23. Ke2 Nxg4 24. Bc3 Rf8 25. Bg7 Rg8 26. Bc3 1/2-1/2

[Event "Medellin Luces op"]
[Site "Medellin"]
[Date "2021.12.20"]
[Round "7"]
[White "Iral Castro, Brahiam"]
[Black "Chaux, Oscar Orlando"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "1799"]
[BlackElo "1926"]
[PlyCount "27"]
[EventDate "2021.12.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. c4 c5 2. d3 Nc6 3. Nf3 g6 4. Nc3 Nf6 5. e4 Bg7 6. Bg5 0-0 7. Qd2 d6 8. Be2 Bd7 9. h4 e6 10. g4 Re8 11. h5 gxh5 12. gxh5 Ne7 13. Bxf6 Bxf6 14. Rg1+ 1-0

[Event "Medellin Luces op"]
[Site "Medellin"]
[Date "2021.12.19"]
[Round "4"]
[White "Chaux, Oscar Orlando"]
[Black "Paniagua, Fabio de Jesus"]
[Result "0-1"]
[ECO "E67"]
[WhiteElo "1926"]
[BlackElo "1660"]
[PlyCount "102"]
[EventDate "2021.12.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d6 5. 0-0 0-0 6. d4 Nbd7 7. Nc3 e5 8. b3 a6 9. Bb2 exd4 10. Nxd4 Ne5 11. h3 Rb8 12. Kh2 Bd7 13. a4 Nc6 14. Nc2 Re8 15. Qd2 Ne7 16. a5 Bc6 17. Ne3 Bxg2 18. Kxg2 Qc8 19. Rae1 Nf5 20. Ned5 c6 21. Nb6 Qe6 22. e4 Ne7 23. Ncd5 cxd5 24. cxd5 Nxe4 25. Qc2 Nxd5 26. Bxg7 Kxg7 27. f3 Nxb6 28. Rxe4 Qf6 29. Rf4 Rbc8 30. Qd2 Qe5 31. Re4 Qc5 32. axb6 Rxe4 33. fxe4 Qc2 34. Rd1 Qxd2+ 35. Rxd2 Rc6 36. Rd3 Rxb6 37. Kf2 Kf6 38. Ke3 Ke6 39. Kf4 h6 40. h4 Rb4 41. Kf3 b5 42. Rc3 a5 43. g4 a4 44. bxa4 bxa4 45. Rc8 a3 46. Ra8 Rb3+ 47. Kf4 Rh3 48. Ra6 f6 49. g5 Rxh4+ 50. Kg3 hxg5 51. Rxa3 Rxe4 0-1

[Event "Medellin Luces op"]
[Site "Medellin"]
[Date "2021.12.18"]
[Round "2"]
[White "Chaux, Oscar Orlando"]
[Black "Ruiz Agudelo, Jeronimo"]
[Result "1/2-1/2"]
[ECO "D23"]
[WhiteElo "1926"]
[BlackElo "1642"]
[PlyCount "38"]
[EventDate "2021.12.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. Qa4+ Nc6 5. Qxc4 Bg4 6. Nbd2 e6 7. e3 Be7 8. Be2 0-0 9. 0-0 Qd5 10. Qc2 Bf5 11. Qa4 Nb4 12. Bc4 Qd8 13. a3 Nbd5 14. Ba2 c6 15. Ne5 Bd6 16. h3 Qc7 17. Ndf3 Bxe5 18. Nxe5 Nd7 19. Nxd7 Qxd7 1/2-1/2

[Event "Medellin Luces op"]
[Site "Medellin"]
[Date "2021.12.18"]
[Round "3"]
[White "Perez Tangarife, Simon"]
[Black "Chaux, Oscar Orlando"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "1077"]
[BlackElo "1926"]
[PlyCount "30"]
[EventDate "2021.12.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b6 3. c4 c5 4. Bg2 Bb7 5. Nc3 e6 6. 0-0 Be7 7. d4 cxd4 8. Nxd4 Bxg2 9. Kxg2 0-0 10. e3 Qc7 11. Qd3 Rc8 12. b3 d5 13. Ndb5 Qc6 14. cxd5 exd5 15. Bb2 d4+ 0-1

[Event "Medellin Luces op"]
[Site "Medellin"]
[Date "2021.12.17"]
[Round "1"]
[White "Iral Salazar, Jorge Ivan"]
[Black "Chaux, Oscar Orlando"]
[Result "1-0"]
[ECO "B21"]
[BlackElo "1926"]
[PlyCount "39"]
[EventDate "2021.12.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qd2 Nf6 5. Nc3 d6 6. b3 g6 7. Bb2 Bg7 8. 0-0-0 0-0 9. Kb1 Bd7 10. h4 h5 11. f3 Rc8 12. Nh3 Bxh3 13. Rxh3 Qa5 14. Be2 Rfd8 15. g4 e6 16. g5 Ne8 17. f4 Nc7 18. Na4 Qxd2 19. Rxd2 d5 20. e5 1-0

[Event "Manizales Las Americas blitz op"]
[Site "Manizales"]
[Date "2021.10.23"]
[Round "2"]
[White "Chaux, Oscar Orlando"]
[Black "Araque, Rafael"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1929"]
[BlackElo "2189"]
[PlyCount "101"]
[EventDate "2021.10.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f3 a6 5. a4 b6 6. Be3 Nd7 7. Qd2 c5 8. Bc4 cxd4 9. Bxd4 Ngf6 10. Nge2 0-0 11. 0-0 Nc5 12. Qe3 Rb8 13. Rad1 Ne6 14. Bxe6 Bxe6 15. e5 Ne8 16. Nf4 Bc4 17. Rfe1 Rc8 18. Bxb6 Qd7 19. e6 fxe6 20. Nxe6 Bxe6 21. Qxe6+ Qxe6 22. Rxe6 Bxc3 23. bxc3 Rf7 24. Bd4 Ng7 25. Bxg7 Kxg7 26. Rd3 Rc4 27. Re4 Rxe4 28. fxe4 Kf8 29. Rf3 Rxf3 30. gxf3 Kf7 31. f4 Ke6 32. Kf2 d5 33. Ke3 h6 34. h4 h5 35. Kd4 dxe4 36. Kxe4 Kd6 37. a5 Ke6 38. c4 Kd6 39. f5 gxf5+ 40. Kxf5 Kc5 41. Ke6 Kxc4 42. Kxe7 Kb5 43. Kd6 Kxa5 44. c4 Kb6 45. c5+ Kb7 46. Kd7 a5 47. c6+ Kb6 48. c7 a4 49. c8Q Kb5 50. Qc3 Kb6 51. Qb4+ 1-0

[Event "Manizales Las Americas blitz op"]
[Site "Manizales"]
[Date "2021.10.23"]
[Round "10"]
[White "Chaux, Oscar Orlando"]
[Black "Pazos Gambarrotti, Plinio Efrain"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "1929"]
[BlackElo "2156"]
[PlyCount "135"]
[EventDate "2021.10.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[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 d6 4. Bxc6+ bxc6 5. 0-0 Bg4 6. h3 Bh5 7. d3 Nf6 8. Nbd2 e5 9. c3 Be7 10. Qa4 Qb6 11. Re1 0-0 12. Nh4 Qb5 13. Qc4 Rad8 14. Nf5 Rfe8 15. a4 Qxc4 16. Nxc4 Bg6 17. Nce3 Bxf5 18. Nxf5 g6 19. Nxe7+ Rxe7 20. Bh6 Rdd7 21. Re2 d5 22. exd5 cxd5 23. Rae1 e4 24. Bg5 Kg7 25. dxe4 dxe4 26. Bxf6+ Kxf6 27. Rxe4 Rxe4 28. Rxe4 Rd2 29. b4 Rc2 30. Re3 cxb4 31. cxb4 Rc1+ 32. Kh2 Rc4 33. Rb3 Ke5 34. Kg3 f5 35. a5 a6 36. b5 axb5 37. Rxb5+ Kf6 38. f4 Rc3+ 39. Kh4 h6 40. Rb6+ Kg7 41. g4 fxg4 42. hxg4 Rc4 43. Kg3 Rc3+ 44. Kf2 Rc2+ 45. Kf3 Rc3+ 46. Ke4 Rc4+ 47. Ke3 Ra4 48. a6 Ra3+ 49. Ke4 Ra4+ 50. Ke5 Ra5+ 51. Ke6 Ra4 52. f5 gxf5 53. gxf5 h5 54. Rb7+ Kh6 55. a7 h4 56. f6 h3 57. f7 Kg7 58. Rb8 Ra6+ 59. Ke5 Ra5+ 60. Kf4 Ra4+ 61. Kg3 Ra3+ 62. Kh2 Ra2+ 63. Kxh3 Ra3+ 64. Kg4 Ra4+ 65. Kf3 Ra3+ 66. Ke4 Ra4+ 67. Kd5 Ra5+ 68. Kc4 1-0

[Event "Manizales Las Americas blitz op"]
[Site "Manizales"]
[Date "2021.10.23"]
[Round "4"]
[White "Chaux, Oscar Orlando"]
[Black "Quiros, Juan Pablo"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "1929"]
[BlackElo "2188"]
[PlyCount "175"]
[EventDate "2021.10.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 g6 2. Bf4 Nf6 3. Nf3 Bg7 4. e3 0-0 5. h3 d6 6. c4 c6 7. Nc3 a6 8. Be2 Nbd7 9. Bh2 b5 10. 0-0 Bb7 11. a4 bxc4 12. Bxc4 a5 13. Re1 Ba6 14. Ba2 Nb6 15. e4 Bc4 16. b3 Ba6 17. Rc1 Rc8 18. Bb1 c5 19. e5 Nfd5 20. Nxd5 Nxd5 21. dxc5 dxc5 22. Qd2 Nb4 23. Qe3 Qb6 24. Bg3 Nd5 25. Qd2 e6 26. Bd3 Bxd3 27. Qxd3 Rb8 28. Rb1 Rfd8 29. Qc4 Bh6 30. Red1 Qb4 31. Qxb4 Rxb4 32. Bh4 Rdb8 33. Bg5 Bxg5 34. Nxg5 Rxb3 35. Rbc1 Rc8 36. Ne4 Rb4 37. Nxc5 Nf4 38. Kf1 Nd5 39. Nd7 Rxc1 40. Rxc1 Rxa4 41. g3 Ra3 42. Rc8+ Kg7 43. Ra8 Ra2 44. h4 h5 45. Nc5 Ra1+ 46. Kg2 Re1 47. Nd7 Ra1 48. Kf3 Ra3+ 49. Kg2 Ra2 50. Kg1 Ra1+ 51. Kg2 a4 52. Ra7 a3 53. Nc5 Kg8 54. Ra8+ Kg7 55. Ra7 Kg8 56. Ra8+ Kg7 57. Ra7 Kg8 58. Nb3 Re1 59. Rxa3 Rxe5 60. Nd4 Re4 61. Nf3 Re2 62. Kg1 Rc2 63. Ra7 Rc1+ 64. Kg2 Rc2 65. Ng5 Ne3+ 66. Kf3 Nf5 67. Nxf7 Rc3+ 68. Kg2 Rc2 69. Ng5 e5 70. Ne4 Re2 71. Nf6+ Kf8 72. Kf1 Rb2 73. Nd7+ Kg8 74. Nxe5 Rb1+ 75. Kg2 Rb6 76. Rc7 Nh6 77. Rc6 Rxc6 78. Nxc6 Kg7 79. Kf3 Nf5 80. Ke4 Nh6 81. Nd4 Ng4 82. f3 Nf6+ 83. Ke5 Nd7+ 84. Kd6 Nf6 85. Ke6 Ne8 86. Ke7 Nf6 87. Ne6+ Kh6 88. Kxf6 1-0

[Event "Manizales Las Americas blitz op"]
[Site "Manizales"]
[Date "2021.10.23"]
[Round "6"]
[White "Chaux, Oscar Orlando"]
[Black "Ruiz Aguilar, Pablo Alexander"]
[Result "0-1"]
[ECO "E07"]
[WhiteElo "1929"]
[BlackElo "2172"]
[PlyCount "100"]
[EventDate "2021.10.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. g3 Nf6 4. Qc2 e6 5. Bg2 Be7 6. Nf3 0-0 7. 0-0 Nbd7 8. Nc3 b6 9. Ne5 Bb7 10. Rd1 Rc8 11. f4 Qc7 12. Qb3 Nxe5 13. fxe5 Nd7 14. cxd5 cxd5 15. e4 dxe4 16. Nxe4 Bd5 17. Qc3 Qxc3 18. Nxc3 Bxg2 19. Kxg2 Rfd8 20. Be3 b5 21. Nxb5 Rb8 22. Nxa7 Rxb2+ 23. Kf3 Ra8 24. Nc6 Ba3 25. Rd2 Nb6 26. Rxb2 Bxb2 27. Rb1 Nc4 28. Nb4 Ra3 29. Nc2 Rc3 30. Rxb2 Nxb2 31. Ne1 Nc4 32. Ng2 Rc2 33. a4 Rxg2 34. Kxg2 Nxe3+ 35. Kf3 Nd5 36. Ke4 Kf8 37. Kd3 Ke8 38. Kc4 Kd7 39. Kc5 Kc7 40. a5 Ne7 41. a6 Nc8 42. d5 exd5 43. Kxd5 Ne7+ 44. Kc5 Nc6 45. Kd5 Nb4+ 46. Ke4 Nxa6 47. Kf5 Nc5 48. h4 Kd7 49. h5 h6 50. g4 Ne6 0-1

[Event "Manizales Las Americas blitz op"]
[Site "Manizales"]
[Date "2021.10.23"]
[Round "5"]
[White "Cuesta Cifuentes, Jair Alfonso"]
[Black "Chaux, Oscar Orlando"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "1766"]
[BlackElo "1929"]
[PlyCount "62"]
[EventDate "2021.10.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. g3 g6 4. Bg2 Bg7 5. 0-0 d6 6. Nc3 e6 7. e3 Nge7 8. d4 cxd4 9. exd4 d5 10. cxd5 exd5 11. Qb3 0-0 12. Be3 h6 13. Rfe1 Be6 14. Rac1 Na5 15. Qd1 Nc4 16. b3 Nxe3 17. fxe3 Rc8 18. Ne2 Qa5 19. Qd2 Qa3 20. Nf4 Nf5 21. g4 Nd6 22. Nxe6 fxe6 23. Rxc8 Rxc8 24. Qd3 Ne4 25. Nh4 g5 26. Ng6 Qb4 27. Rf1 Rc3 28. Qb1 Nd2 29. Qd1 Nxf1 30. Qxf1 Rxe3 31. Qc1 Re1+ 0-1

[Event "Manizales Las Americas blitz op"]
[Site "Manizales"]
[Date "2021.10.23"]
[Round "3"]
[White "Gallego, Julian Andres"]
[Black "Chaux, Oscar Orlando"]
[Result "1-0"]
[ECO "D78"]
[WhiteElo "2228"]
[BlackElo "1929"]
[PlyCount "121"]
[EventDate "2021.10.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d5 6. c4 c6 7. Nc3 a6 8. Ne5 Be6 9. c5 Nfd7 10. Nf3 Nf6 11. Bf4 Nbd7 12. Qb3 Qc8 13. Rfe1 Nxc5 14. dxc5 d4 15. Qa3 dxc3 16. bxc3 Nd5 17. Be5 f6 18. Bd4 Bf7 19. c4 Nc7 20. Rac1 e5 21. Be3 Rd8 22. Qb4 a5 23. Qc3 Ne6 24. Red1 Qc7 25. h4 Bf8 26. Qa3 Qe7 27. Rxd8 Nxd8 28. Rd1 Bxc4 29. Nh2 Bxe2 30. Qb3+ Qf7 31. Rd7 Qxb3 32. axb3 Bb5 33. Ng4 Bg7 34. Bh6 Bh8 35. Be3 h5 36. Nh2 Ne6 37. Bh3 f5 38. Nf3 Bf6 39. Rxb7 Rd8 40. Bg2 Rd1+ 41. Kh2 Rb1 42. Bg5 Bxg5 43. hxg5 Nxc5 44. Rb8+ Kf7 45. Nxe5+ Ke6 46. Nxg6 Rxb3 47. Nf4+ Ke5 48. g6 Bc4 49. Re8+ Kf6 50. Bxc6 a4 51. Rc8 a3 52. Be8 a2 53. Ra8 Ba6 54. Nxh5+ Kg5 55. g7 a1Q 56. g8Q+ Kh6 57. Qf8+ Kg5 58. Qe7+ Kh6 59. Qxc5 Qf1 60. Qd6+ Kg5 61. Qf4# 1-0

[Event "Manizales Las Americas blitz op"]
[Site "Manizales"]
[Date "2021.10.23"]
[Round "9"]
[White "Rojas Mendoza, Joun Sun"]
[Black "Chaux, Oscar Orlando"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1633"]
[BlackElo "1929"]
[PlyCount "58"]
[EventDate "2021.10.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Be2 d5 5. Nf3 c5 6. c3 Nc6 7. 0-0 0-0 8. h3 b6 9. Nbd2 Bb7 10. Ne5 Rc8 11. a4 Ne4 12. f3 Nxd2 13. Qxd2 Nxe5 14. Bxe5 f6 15. Bh2 cxd4 16. exd4 e5 17. dxe5 fxe5 18. Bb5 a6 19. Bd3 Qh4 20. Bc2 Kh8 21. a5 b5 22. Rad1 d4 23. Rfe1 Bh6 24. Qe2 Be3+ 25. Kh1 Rce8 26. cxd4 exd4 27. Qd3 Rxf3 28. Rxe3 Rfxe3 29. Qf1 Rxh3 0-1

[Event "Manizales Las Americas blitz op"]
[Site "Manizales"]
[Date "2021.10.23"]
[Round "7"]
[White "Soto, Cristian Camilo"]
[Black "Chaux, Oscar Orlando"]
[Result "1-0"]
[ECO "A37"]
[WhiteElo "2191"]
[BlackElo "1929"]
[PlyCount "125"]
[EventDate "2021.10.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 e6 7. 0-0 Nge7 8. d4 cxd4 9. Nxd4 a6 10. b3 0-0 11. Bb2 d5 12. cxd5 exd5 13. Nce2 Ne5 14. h3 Bd7 15. f4 N5c6 16. Nxc6 bxc6 17. Bxg7 Kxg7 18. e4 Qb6+ 19. Kh2 Rad8 20. e5 Nf5 21. Qd2 Ne3 22. Rfc1 Nxg2 23. Kxg2 c5 24. Qc3 Qb5 25. Ng1 Rc8 26. Qd2 Rfd8 27. Qe2 c4 28. bxc4 dxc4 29. Kh2 Be6 30. Rc3 Rd3 31. Rac1 Rcd8 32. Rxd3 cxd3 33. Qd2 Qd5 34. Rf1 Qxa2 35. Qxa2 Bxa2 36. Nf3 Bb3 37. Nd2 Bc2 38. Ra1 Ra8 39. Kg2 a5 40. Kf2 a4 41. Ra3 Rb8 42. Ke3 Rb2 43. g4 Rb4 44. Rc3 Rb5 45. h4 Ra5 46. Ra3 h5 47. gxh5 gxh5 48. Nc4 Rb5 49. Kd2 Rb1 50. Ne3 Rh1 51. Nxc2 Rh2+ 52. Kxd3 Rxh4 53. Rxa4 Rg4 54. Ne3 Rg3 55. Ke2 Kh6 56. Ra6+ Kh7 57. Rf6 h4 58. Rxf7+ Kg6 59. Rf6+ Kh7 60. Nf5 Rg2+ 61. Kf3 h3 62. Rh6+ Kg8 63. Rxh3 1-0

[Event "Manizales Las Americas blitz op"]
[Site "Manizales"]
[Date "2021.10.23"]
[Round "11"]
[White "Tobar Beltran, Jorge Esteban"]
[Black "Chaux, Oscar Orlando"]
[Result "0-1"]
[ECO "A94"]
[WhiteElo "1911"]
[BlackElo "1929"]
[PlyCount "102"]
[EventDate "2021.10.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 d5 5. 0-0 c6 6. b3 Bd6 7. Ba3 0-0 8. c4 Bxa3 9. Nxa3 Bd7 10. e3 Be8 11. Nc2 Bh5 12. Nce1 Nbd7 13. Nd3 Qe7 14. Qc2 Bxf3 15. Bxf3 e5 16. dxe5 Nxe5 17. Nxe5 Qxe5 18. cxd5 cxd5 19. Qd3 Rfd8 20. Rfd1 Ne4 21. Rac1 Rd7 22. Qd4 Qxd4 23. Rxd4 Rad8 24. Rcd1 Nf6 25. Rc1 Kf7 26. h3 Ke6 27. g4 g6 28. g5 Ne4 29. h4 h5 30. gxh6 Rh7 31. Kg2 Rdd7 32. Rc8 Rxh6 33. Re8+ Kf7 34. Re5 Rxh4 35. Rexd5 Rxd5 36. Rxd5 Ke6 37. Rd4 Ke5 38. Rd7 Nd6 39. Rg7 Kf6 40. Rc7 Rb4 41. Rd7 Ke6 42. Rg7 Kf6 43. Rc7 Rb6 44. Kg3 Nb5 45. Rxb7 Nc3 46. Rxa7 g5 47. Bg2 f4+ 48. exf4 gxf4+ 49. Kxf4 Rb4+ 50. Ke3 Nd1+ 51. Ke2 Nc3+ 0-1

[Event "Manizales Las Americas blitz op"]
[Site "Manizales"]
[Date "2021.10.23"]
[Round "1"]
[White "Uribe Fajardo, Alquiber"]
[Black "Chaux, Oscar Orlando"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1540"]
[BlackElo "1929"]
[PlyCount "38"]
[EventDate "2021.10.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. c4 c5 2. e3 Nc6 3. d4 cxd4 4. exd4 d5 5. cxd5 Qxd5 6. Nf3 Bg4 7. Be2 e6 8. Nc3 Bb4 9. a3 Bxc3+ 10. bxc3 Nf6 11. 0-0 0-0 12. Re1 Rac8 13. Rb1 b6 14. Bg5 Bxf3 15. Bxf6 Bxe2 16. Qxe2 gxf6 17. Qg4+ Kh8 18. Re3 Rg8 19. Qh4 Qxg2# 0-1

[Event "Manizales Las Americas op-B"]
[Site "Manizales"]
[Date "2021.10.18"]
[Round "8"]
[White "Chaux, Oscar Orlando"]
[Black "Quiros, Juan Pablo"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "1977"]
[BlackElo "1954"]
[PlyCount "106"]
[EventDate "2021.10.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 c6 3. c4 Nf6 4. Nc3 Qb6 5. b3 Bg4 6. Bb2 e6 7. Be2 Be7 8. cxd5 exd5 9. 0-0 0-0 10. a3 a5 11. d3 Nbd7 12. Rc1 Bxf3 13. Bxf3 Nc5 14. Na4 Nxa4 15. Bxf6 Bxf6 16. bxa4 d4 17. e4 Rfe8 18. Rb1 Qc7 19. Qb3 Rab8 20. g3 Qd6 21. Qc4 Be7 22. Rfc1 Qxa3 23. e5 Bf8 24. Rb3 b5 25. Qc2 Qxa4 26. Qb2 Bb4 27. Ra1 Bc3 28. Rxa4 Bxb2 29. Rxa5 Bc3 30. Ra6 Rxe5 31. Bxc6 b4 32. Ra7 Kf8 33. Ra6 f5 34. Ra7 Re7 35. Ra5 g6 36. h4 Rb6 37. Ra8+ Kg7 38. Bd5 Rb5 39. Rd8 Ra5 40. Rb1 Raa7 41. Kg2 h5 42. Kf3 Rad7 43. Rg8+ Kh7 44. Bc4 Rd6 45. Ra8 Rf6 46. Bg8+ Kh6 47. Bb3 f4 48. g4 hxg4+ 49. Kxg4 f3 50. Bd5 Re2 51. Rh8+ Kg7 52. Rg8+ Kh7 53. Kg5 Rf5+ 0-1

[Event "Manizales Las Americas op-B"]
[Site "Manizales"]
[Date "2021.10.18"]
[Round "9"]
[White "Ramirez, Francisco Javier"]
[Black "Chaux, Oscar Orlando"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1835"]
[BlackElo "1977"]
[PlyCount "40"]
[EventDate "2021.10.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 d3 4. Bxd3 Nc6 5. Nf3 d6 6. h3 Nf6 7. Bg5 e6 8. 0-0 Be7 9. Nbd2 0-0 10. Qe2 Qc7 11. Rfd1 a6 12. a4 b6 13. Nc4 d5 14. exd5 Nxd5 15. Bxe7 Ncxe7 16. Nce5 Bb7 17. Bc2 Rac8 18. Re1 Ng6 19. Ng5 Ndf4 20. Qe3 Nxg2 0-1

[Event "Manizales Las Americas op-B"]
[Site "Manizales"]
[Date "2021.10.17"]
[Round "7"]
[White "Chaux, Oscar Orlando"]
[Black "Juarez Garcia, Daniela"]
[Result "1/2-1/2"]
[ECO "C70"]
[WhiteElo "1977"]
[BlackElo "1421"]
[PlyCount "32"]
[EventDate "2021.10.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Bc5 6. c3 d6 7. d4 exd4 8. cxd4 Bb6 9. h3 h6 10. 0-0 Nf6 11. a4 Bb7 12. Re1 0-0 13. Bf4 Re8 14. e5 dxe5 15. dxe5 Qxd1 16. Bxd1 Nd5 1/2-1/2

[Event "Manizales Las Americas op-B"]
[Site "Manizales"]
[Date "2021.10.17"]
[Round "6"]
[White "Giraldo Aristizabal, Marlon"]
[Black "Chaux, Oscar Orlando"]
[Result "1-0"]
[ECO "B77"]
[WhiteElo "1765"]
[BlackElo "1977"]
[PlyCount "71"]
[EventDate "2021.10.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 g6 7. f3 Bg7 8. Be3 Nc6 9. Qd2 0-0 10. 0-0-0 Na5 11. Bb3 h5 12. h3 Nxb3+ 13. axb3 b5 14. g4 Bb7 15. Bh6 Kh7 16. Bxg7 Kxg7 17. gxh5 Nxh5 18. Nf5+ Kf6 19. Rhg1 Ke6 20. Qg5 Kd7 21. e5 gxf5 22. Qxf5+ Kc7 23. exd6+ exd6 24. Qxh5 Rc8 25. Nd5+ Kb8 26. Qf5 Qa5 27. Kb1 Rc5 28. Qf4 Qd8 29. Nf6 Kc7 30. Rge1 Bc8 31. Ne8+ Rxe8 32. Rxe8 Qd7 33. Rxd6 Qxe8 34. Re6+ Kd8 35. Rxe8+ Kxe8 36. Qe3+ 1-0

[Event "Manizales Las Americas op-B"]
[Site "Manizales"]
[Date "2021.10.16"]
[Round "5"]
[White "Chaux, Oscar Orlando"]
[Black "Molina, Gildardo"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "1977"]
[BlackElo "1944"]
[PlyCount "103"]
[EventDate "2021.10.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. d3 Be7 8. 0-0 0-0 9. Be3 Be6 10. Rc1 f5 11. Na4 Nxa4 12. Qxa4 Bf6 13. Nd2 Bd5 14. Bxd5+ Qxd5 15. Rc5 Qe6 16. Qc4 Rae8 17. b4 f4 18. gxf4 exf4 19. Bxf4 Bd4 20. Rxc6 bxc6 21. e3 Qxc4 22. Nxc4 Bc3 23. a3 Rf7 24. Rc1 Bf6 25. Bg3 h5 26. h3 h4 27. Bh2 Re6 28. d4 Kf8 29. Na5 Bg5 30. Rc3 Rg6 31. Kf1 Rf3 32. Kg2 Rf7 33. Rxc6 Rff6 34. Rxf6+ Bxf6+ 35. Kf3 Bd8 36. b5 Ke8 37. a4 a6 38. Nc6 axb5 39. axb5 Rg5 40. Be5 Rg1 41. d5 Kd7 42. Nd4 g6 43. Ne6 Rb1 44. Nf8+ Kc8 45. Nxg6 Rxb5 46. e4 Rb1 47. Nf4 Rg1 48. Ne6 Rh1 49. Nxd8 Kxd8 50. Kg4 Re1 51. f3 Kd7 52. Kxh4 1-0

[Event "Manizales Las Americas op-B"]
[Site "Manizales"]
[Date "2021.10.16"]
[Round "4"]
[White "Velez, Andres Felipe"]
[Black "Chaux, Oscar Orlando"]
[Result "0-1"]
[ECO "A38"]
[WhiteElo "1748"]
[BlackElo "1977"]
[PlyCount "32"]
[EventDate "2021.10.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. g3 c5 2. Bg2 d5 3. Nf3 Nf6 4. d3 g6 5. 0-0 Bg7 6. Nbd2 Nc6 7. c4 0-0 8. cxd5 Nxd5 9. Ne4 b6 10. Rb1 Bb7 11. Bd2 Rc8 12. Nc3 Nc7 13. Qc1 Re8 14. Rd1 Nd4 15. Bh6 Nxf3+ 16. exf3 Bh8 0-1

[Event "Manizales Las Americas op-B"]
[Site "Manizales"]
[Date "2021.10.15"]
[Round "3"]
[White "Chaux, Oscar Orlando"]
[Black "Velasquez, Andres Felipe"]
[Result "0-1"]
[ECO "E62"]
[WhiteElo "1977"]
[BlackElo "1883"]
[PlyCount "102"]
[EventDate "2021.10.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nf3 d6 5. c4 Nc6 6. d5 Nb8 7. Nc3 0-0 8. 0-0 Nbd7 9. Nd4 a5 10. e4 Nc5 11. h3 e5 12. dxe6 fxe6 13. Be3 Nh5 14. Qd2 Qe7 15. Kh2 Bd7 16. Nde2 Bc6 17. g4 Nf6 18. Ng3 Nfd7 19. f4 Rae8 20. g5 Nb6 21. b3 a4 22. Bxc5 dxc5 23. e5 Rd8 24. Qc2 Bxg2 25. Qxg2 Rd3 26. Nce4 axb3 27. axb3 Rxb3 28. Nf6+ Bxf6 29. gxf6 Qd7 30. Rfd1 Rd3 31. Rxd3 Qxd3 32. Qxb7 Qd2+ 33. Kh1 Qc3 34. Rg1 Rc8 35. Rb1 Rd8 36. Qg2 Rd2 37. Ne4 Rxg2 38. Nxc3 Rf2 39. Ne4 Rxf4 40. Nxc5 Kf7 41. Na6 Nxc4 42. Rb5 Re4 43. Nxc7 Nxe5 44. Rb7 Kxf6 45. Ne8+ Kg5 46. Rxh7 Re2 47. Kg1 Kf4 48. Kf1 Ke3 49. Re7 Rf2+ 50. Ke1 Nf3+ 51. Kd1 Rd2+ 0-1

[Event "Manizales Las Americas op-B"]
[Site "Manizales"]
[Date "2021.10.15"]
[Round "2"]
[White "Ochoa Parra, Carlos Orlando"]
[Black "Chaux, Oscar Orlando"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "1838"]
[BlackElo "1977"]
[PlyCount "89"]
[EventDate "2021.10.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3 h5 9. Qd2 Nbd7 10. 0-0-0 Rc8 11. Be2 b5 12. Nd5 Bxd5 13. exd5 Nb6 14. Bxb6 Qxb6 15. Rhe1 g6 16. Kb1 Bh6 17. Qa5 Qb7 18. Bd3 0-0 19. h4 Rc7 20. Qb4 Nxd5 21. Qxd6 Ne3 22. Be4 Qa7 23. g4 Nxd1 24. Rxd1 Rcc8 25. Bd5 Kh7 26. gxh5 Qc7 27. hxg6+ fxg6 28. Be4 Qxd6 29. Rxd6 Rfd8 30. Bxg6+ Kg7 31. Rxd8 Rxd8 32. Bd3 Be3 33. Na5 Rh8 34. a4 bxa4 35. Bxa6 Rxh4 36. Bd3 Kf6 37. Be4 Ke6 38. Ka2 Bc5 39. Nc4 Rh1 40. Bc6 Rf1 41. Be4 Rf2 42. Na3 Rh2 43. Nb5 Bb4 44. b3 axb3+ 45. Kxb3 1/2-1/2

[Event "Manizales Las Americas op-B"]
[Site "Manizales"]
[Date "2021.10.14"]
[Round "1"]
[White "Chaux, Oscar Orlando"]
[Black "Gutierrez, Jhon Jaime"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1977"]
[BlackElo "1828"]
[PlyCount "19"]
[EventDate "2021.10.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 e6 2. g3 d5 3. Bg2 f5 4. c4 c6 5. Nd2 Nf6 6. Nh3 Bd6 7. Qc2 0-0 8. Nf3 Nbd7 9. c5 Bc7 10. Bf4 1-0

[Event "Caqueta Florencia op 5th"]
[Site "Florencia"]
[Date "2018.12.04"]
[Round "7"]
[White "Alvarez Angel, Nelson Eduardo"]
[Black "Chaux, Oscar Orlando"]
[Result "1-0"]
[ECO "D91"]
[WhiteElo "1938"]
[BlackElo "1980"]
[PlyCount "85"]
[EventDate "2018.11.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Bh4 Nxc3 6. bxc3 Bg7 7. e3 c5 8. Nf3 Nc6 9. Be2 0-0 10. cxd5 Qxd5 11. 0-0 cxd4 12. cxd4 Re8 13. Qd2 e5 14. dxe5 Qxd2 15. Nxd2 Nxe5 16. Ne4 Bg4 17. f3 Nxf3+ 18. Bxf3 Bxf3 19. gxf3 Bxa1 20. Rxa1 Re6 21. Rd1 b5 22. Kf2 Rc8 23. Kg3 h6 24. Bf6 Ra6 25. Rd2 b4 26. h4 Rac6 27. h5 g5 28. Rd7 R6c7 29. Rd5 Rc2 30. Nd6 R8c5 31. Rd4 a5 32. Nf5 Kh7 33. Ne7 Rc6 34. Nxc6 Rxc6 35. Bd8 Ra6 36. Rd5 a4 37. Ra5 Rd6 38. Be7 Rb6 39. Rxa4 b3 40. axb3 Rxb3 41. Bf6 Rb8 42. Ra7 Kg8 43. Rd7 1-0

[Event "Caqueta Florencia op 5th"]
[Site "Florencia"]
[Date "2018.12.03"]
[Round "6"]
[White "Chaux, Oscar Orlando"]
[Black "Moreno, Pablo Emilio"]
[Result "1-0"]
[ECO "E60"]
[WhiteElo "1980"]
[BlackElo "1775"]
[PlyCount "48"]
[EventDate "2018.11.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 d6 3. g3 Nc6 4. Bg2 Bd7 5. d4 cxd4 6. Nxd4 Rc8 7. Nc2 g6 8. Nc3 Bg7 9. 0-0 Nf6 10. b3 0-0 11. Bb2 b6 12. e4 Qc7 13. h3 Qb8 14. Kh2 Na5 15. Ne3 Rfe8 16. Qe2 Bc6 17. b4 Nb7 18. f4 e6 19. Rad1 Rcd8 20. Qc2 Qc8 21. Rfe1 Re7 22. a3 Bd7 23. e5 dxe5 24. fxe5 Ne8 1-0

[Event "Caqueta Florencia op 5th"]
[Site "Florencia"]
[Date "2018.12.03"]
[Round "5"]
[White "Rios Parra, Alejandro"]
[Black "Chaux, Oscar Orlando"]
[Result "1/2-1/2"]
[ECO "B95"]
[WhiteElo "2282"]
[BlackElo "1980"]
[PlyCount "73"]
[EventDate "2018.11.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Qe2 h6 8. Bh4 g5 9. Bg3 Nbd7 10. 0-0-0 Qc7 11. Kb1 Ne5 12. h4 Rg8 13. hxg5 hxg5 14. Nf3 b5 15. Nxe5 dxe5 16. Qf3 Be7 17. Rh6 g4 18. Qe3 Nd7 19. Bh4 Bxh4 20. Rxh4 Bb7 21. Bxb5 axb5 22. Nxb5 Qc6 23. Nd6+ Ke7 24. Rh7 Raf8 25. Qa3 Qc5 26. Qg3 Bc6 27. Qh4+ Nf6 28. Rh6 Rg6 29. Rxg6 fxg6 30. Qh6 Be8 31. Nxe8 Nxe8 32. Qxg6 Rxf2 33. Qh7+ Kf8 34. Qh8+ Ke7 35. Qh7+ Kf8 36. Qh6+ Ke7 37. Qh7+ 1/2-1/2

[Event "Caqueta Florencia op 5th"]
[Site "Florencia"]
[Date "2018.12.02"]
[Round "4"]
[White "Chaux, Oscar Orlando"]
[Black "Valenzuela, Juan Camilo"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1980"]
[BlackElo "1571"]
[PlyCount "65"]
[EventDate "2018.11.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. h3 Bd6 5. Nf3 Ne7 6. Bd3 Bf5 7. 0-0 0-0 8. Re1 Bxd3 9. Qxd3 Ng6 10. Qb3 b6 11. Bg5 Qd7 12. Nbd2 Nc6 13. Re2 h6 14. Be3 Rfe8 15. Rae1 Nf4 16. Bxf4 Rxe2 17. Rxe2 Bxf4 18. Nf1 Na5 19. Qd3 c6 20. g3 Bc1 21. b4 Nc4 22. Kg2 Re8 23. N1h2 Rxe2 24. Qxe2 Ba3 25. c3 Bb2 26. Ne5 Qe8 27. Qc2 Nxe5 28. Qxb2 Nc4 29. Qc2 Qe4+ 30. Qxe4 dxe4 31. Ng4 f5 32. Ne3 Nxe3+ 33. fxe3 1/2-1/2

[Event "Caqueta Florencia op 5th"]
[Site "Florencia"]
[Date "2018.12.02"]
[Round "3"]
[White "Herrera Nopan, Fabian"]
[Black "Chaux, Oscar Orlando"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "1619"]
[BlackElo "1980"]
[PlyCount "60"]
[EventDate "2018.11.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Bc4 0-0 9. 0-0 Nc6 10. Bb2 Bg4 11. Be2 Bxf3 12. Bxf3 cxd4 13. cxd4 Nxd4 14. Bxd4 Bxd4 15. Rb1 Rb8 16. Qa4 e5 17. Bg4 Qg5 18. h3 Qf4 19. Bf3 Rfd8 20. Rfc1 Bb6 21. Rd1 Rd2 22. Rxd2 Qxd2 23. Rf1 Rd8 24. Qb3 Kg7 25. a4 Qf4 26. g3 Qxg3+ 27. Kh1 Qxh3+ 28. Kg1 Qg3+ 29. Kh1 Bxf2 30. Rxf2 Qxf2 0-1

[Event "Caqueta Florencia op 5th"]
[Site "Florencia"]
[Date "2018.12.01"]
[Round "2"]
[White "Chaux, Oscar Orlando"]
[Black "Perez, Juan Sebastian"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1980"]
[BlackElo "1427"]
[PlyCount "43"]
[EventDate "2018.11.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d6 3. Nc3 a6 4. a4 Bd7 5. Bc4 Be7 6. Nge2 h6 7. 0-0 Nf6 8. e5 Nh7 9. f4 Nc6 10. h3 d5 11. Bd3 0-0 12. f5 Bb4 13. f6 Bxc3 14. bxc3 Ng5 15. Bxg5 hxg5 16. Ng3 g6 17. Qg4 Ne7 18. Qxg5 Kh7 19. Qh5+ Kg8 20. Qh6 Nf5 21. Nxf5 exf5 22. Qg7# 1-0

[Event "COL-ch"]
[Site "Bogota"]
[Date "2018.11.11"]
[Round "8"]
[White "Chaux, Oscar Orlando"]
[Black "Gallego, Julian Andres"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "1927"]
[BlackElo "2188"]
[PlyCount "130"]
[EventDate "2018.11.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 g6 5. 0-0 Bg7 6. d3 0-0 7. Nc3 c5 8. e4 Nc6 9. h3 d6 10. Be3 Nd7 11. d4 Rc8 12. b3 Qe8 13. Rc1 a6 14. Qd2 f5 15. dxc5 bxc5 16. exf5 Nd8 17. Nd5 gxf5 18. Bg5 Rf7 19. Rfe1 Nc6 20. Kh2 Qf8 21. Nf4 Nd8 22. Ne6 Nxe6 23. Rxe6 Nf6 24. Bxf6 Bxf6 25. Rce1 Rc7 26. Qf4 Bc8 27. R6e2 e5 28. Qd2 Kh8 29. Rd1 e4 30. Ng5 Rg7 31. h4 Be5 32. Nh3 Rg4 33. Kh1 Rcg7 34. b4 Qg8 35. bxc5 dxc5 36. Qd8 Be6 37. Rc2 h6 38. Qxg8+ Rxg8 39. Ng1 Rb8 40. Bh3 Rgg8 41. Kg2 Rb4 42. Rdc1 Kg7 43. Ne2 Kf6 44. Kf1 Rgb8 45. Ke1 Rd8 46. Bf1 Ra4 47. Ng1 Bc7 48. Be2 Ba5+ 49. Kf1 Rd2 50. Nh3 Rxa2 51. Rxa2 Rxa2 52. Nf4 Bd2 53. Nh5+ Ke5 54. Rb1 Bb4 55. Nf4 Bf7 56. Rd1 Rd2 57. Ra1 a5 58. Ng2 Be8 59. Bd1 Bc3 60. Rb1 a4 61. Ne3 a3 62. Bb3 Bc6 63. Rc1 Bd4 64. Nc2 Bb2 65. Re1 Rxc2 0-1

[Event "COL-ch"]
[Site "Bogota"]
[Date "2018.11.10"]
[Round "7"]
[White "Univio Sanchez, German"]
[Black "Chaux, Oscar Orlando"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2058"]
[BlackElo "1927"]
[PlyCount "60"]
[EventDate "2018.11.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 g6 7. Bc4 Bg7 8. Bb3 0-0 9. Be3 b5 10. a3 Bb7 11. Qd3 Nbd7 12. f3 Rc8 13. Qd2 Ne5 14. 0-0 Nc4 15. Bxc4 Rxc4 16. Kh1 d5 17. exd5 Nxd5 18. Nxd5 Qxd5 19. c3 Rc7 20. Nc2 Qb3 21. Nd4 Qc4 22. Qe2 e5 23. Qxc4 bxc4 24. Nc2 Rd7 25. f4 Be4 26. Rac1 Rb8 27. fxe5 Rxb2 28. Rb1 Rdb7 29. Rxb2 Rxb2 30. Ne1 Bxe5 0-1

[Event "COL-ch"]
[Site "Bogota"]
[Date "2018.11.09"]
[Round "6"]
[White "Chaux, Oscar Orlando"]
[Black "Gutierrez, Ramon"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "1927"]
[BlackElo "2126"]
[PlyCount "71"]
[EventDate "2018.11.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. d3 Bc5 5. g3 d6 6. h3 0-0 7. Bg2 a6 8. 0-0 h6 9. a3 Bd7 10. b4 Ba7 11. Rb1 Qc8 12. Kh2 Ne7 13. e3 Ng6 14. Qe2 Re8 15. Nd2 Bc6 16. e4 Nh7 17. b5 axb5 18. cxb5 Bd7 19. Nc4 Bd4 20. Nd5 b6 21. Be3 Bc5 22. Bxc5 dxc5 23. Ndxb6 cxb6 24. Nxb6 Qb7 25. Nxa8 Rxa8 26. Qb2 Qb6 27. Rfc1 Nhf8 28. h4 Ne6 29. Rc4 Nd4 30. Qc3 Nxb5 31. Qb2 Qd6 32. a4 Nc7 33. Qc3 Na6 34. a5 Nb4 35. Rxc5 Nxd3 36. Rd5 1-0

[Event "COL-ch"]
[Site "Bogota"]
[Date "2018.11.09"]
[Round "5"]
[White "Ojeda, Jesus David"]
[Black "Chaux, Oscar Orlando"]
[Result "1-0"]
[ECO "D94"]
[WhiteElo "2135"]
[BlackElo "1927"]
[PlyCount "39"]
[EventDate "2018.11.06"]
[EventType "swiss"]
[EventRounds "9"]
[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. e3 Nf6 4. Nc3 g6 5. Bd3 Bg7 6. Nf3 0-0 7. Ne5 b6 8. Qb3 Bb7 9. 0-0 Nbd7 10. f4 e6 11. Rd1 c5 12. cxd5 exd5 13. Bb5 Nb8 14. dxc5 bxc5 15. Bc4 Qc7 16. Nxd5 Nxd5 17. Bxd5 Bxd5 18. Rxd5 c4 19. Qxc4 Bxe5 20. Rc5 1-0

[Event "COL-ch"]
[Site "Bogota"]
[Date "2018.11.08"]
[Round "4"]
[White "Alvarez Lora, Amaury Antonio"]
[Black "Chaux, Oscar Orlando"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2098"]
[BlackElo "1927"]
[PlyCount "80"]
[EventDate "2018.11.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 b6 7. Bc4 e6 8. 0-0 Qc7 9. Ba2 Be7 10. Be3 0-0 11. f3 Bd7 12. Qd2 Nc6 13. Rad1 Rac8 14. Qf2 Ne5 15. Kh1 Nc4 16. Bxc4 Qxc4 17. Nb3 b5 18. axb5 axb5 19. Rd4 Qc7 20. Rfd1 Rb8 21. R4d2 b4 22. Ne2 d5 23. e5 Qxe5 24. Bf4 Qxb2 25. Bxb8 Rxb8 26. Ned4 Qc3 27. Qg3 Rc8 28. Ne2 Qc7 29. Qxc7 Rxc7 30. Ra1 h6 31. Ra5 e5 32. g3 Bf5 33. Ra2 d4 34. h4 Nd5 35. Ra5 Be6 36. Kg1 Nb6 37. Rxe5 Nc4 38. Rxe6 Nxd2 39. Ra6 Nxb3 40. cxb3 d3 0-1

[Event "COL-ch"]
[Site "Bogota"]
[Date "2018.11.07"]
[Round "3"]
[White "Chaux, Oscar Orlando"]
[Black "Gomez Leon, Nicolas"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1927"]
[BlackElo "1306"]
[PlyCount "29"]
[EventDate "2018.11.06"]
[EventType "swiss"]
[EventRounds "9"]
[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. Nxe5 Qe7 4. d4 d6 5. Nf3 Nxe4 6. Be2 d5 7. 0-0 Nc6 8. h3 Bf5 9. Bb5 Qb4 10. Bxc6+ bxc6 11. c3 Qb5 12. Re1 Bd6 13. Nh4 g6 14. Nxf5 gxf5 15. f3 1-0

[Event "COL-ch"]
[Site "Bogota"]
[Date "2018.11.07"]
[Round "2"]
[White "Montenegro, Juan Rolando"]
[Black "Chaux, Oscar Orlando"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2111"]
[BlackElo "1927"]
[PlyCount "41"]
[EventDate "2018.11.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f3 Bg7 5. Be3 c6 6. Qd2 b5 7. 0-0-0 Qa5 8. Kb1 b4 9. Nce2 Be6 10. Nc1 Nbd7 11. Nge2 Nb6 12. Nf4 Bc4 13. Nfd3 Bxd3 14. Bxd3 Na4 15. Nb3 Qb6 16. Bh6 Bxh6 17. Qxh6 0-0-0 18. g4 Kb8 19. Rhe1 e6 20. Qf4 Nd7 21. Qxd6+ 1-0

[Event "COL-ch"]
[Site "Bogota"]
[Date "2018.11.06"]
[Round "1"]
[White "Chaux, Oscar Orlando"]
[Black "Paladines Pinzon, Samuel"]
[Result "1-0"]
[ECO "B72"]
[WhiteElo "1927"]
[BlackElo "1118"]
[PlyCount "43"]
[EventDate "2018.11.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 c5 4. Be2 cxd4 5. Nxd4 Nc6 6. Nb3 Nf6 7. Nc3 d6 8. Be3 Be6 9. f4 Qd7 10. h3 h5 11. Qd2 h4 12. 0-0-0 0-0-0 13. Bf3 Kb8 14. Nd5 Nh5 15. Rhe1 f5 16. exf5 Bxf5 17. Na5 Nxa5 18. Qxa5 b6 19. Bxb6 axb6 20. Nxb6 Qa7 21. Qb5 Qc7 22. Na8+ 1-0

[Event "Medellin Raza op 8th"]
[Site "Medellin"]
[Date "2018.10.07"]
[Round "6"]
[White "Lopez Idarraga, Daniel Eduardo"]
[Black "Chaux, Oscar Orlando"]
[Result "0-1"]
[ECO "A49"]
[WhiteElo "2015"]
[BlackElo "1809"]
[PlyCount "44"]
[EventDate "2018.10.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bg2 0-0 5. Bb2 d6 6. d4 c6 7. 0-0 a5 8. c4 d5 9. Nc3 Re8 10. Re1 dxc4 11. bxc4 Be6 12. Qd3 a4 13. Rab1 Qa5 14. e4 Qa6 15. Bf1 Qa5 16. Ba3 Qc7 17. Qe3 Ng4 18. Qf4 Qa5 19. Rec1 Bh6 20. Qxh6 Nxh6 21. Rxb7 Qh5 22. Be2 Bg4 0-1

[Event "Medellin Raza op 8th"]
[Site "Medellin"]
[Date "2018.10.06"]
[Round "5"]
[White "Chaux, Oscar Orlando"]
[Black "Castano Escobar, Jose Roman"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "1809"]
[BlackElo "1257"]
[PlyCount "37"]
[EventDate "2018.10.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c6 3. d4 d5 4. Nf3 Bg4 5. Ne5 Bh5 6. g3 Nbd7 7. Bg2 Ng4 8. Nxg4 Bxg4 9. cxd5 cxd5 10. Nxd5 Nf6 11. Nxf6+ exf6 12. Bxb7 Rb8 13. Bc6+ Bd7 14. Bg2 Bb4+ 15. Bd2 Qa5 16. b3 Bc3 17. Rc1 Rc8 18. Rxc3 Rxc3 19. Qa1 1-0

[Event "Medellin Raza op 8th"]
[Site "Medellin"]
[Date "2018.10.06"]
[Round "4"]
[White "Nino, Juan Camilo"]
[Black "Chaux, Oscar Orlando"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2065"]
[BlackElo "1809"]
[PlyCount "83"]
[EventDate "2018.10.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Nf3 Bd6 7. h3 0-0 8. Be2 Be6 9. 0-0 Nd7 10. c4 Qc7 11. Be3 Rad8 12. Rc1 Rfe8 13. Qc2 b6 14. Bd3 Nf8 15. Rfe1 g6 16. Bd2 Bf4 17. Bxf4 Qxf4 18. Re4 Qd6 19. Rce1 Bd7 20. Rxe8 Rxe8 21. Rxe8 Bxe8 22. c5 Qf4 23. Qd2 Qc7 24. Bc4 Bd7 25. Qe3 Be6 26. Nd2 Kg7 27. b4 bxc5 28. dxc5 a5 29. a3 axb4 30. axb4 Qa7 31. Qc3 Bxc4 32. Nxc4 Qa4 33. Nd6 Qd1+ 34. Kh2 Qe2 35. b5 cxb5 36. c6 b4 37. Qg3 b3 38. c7 b2 39. Nf5+ Kg8 40. c8Q b1Q 41. Qxf8+ Kxf8 42. Qd6+ 1-0

[Event "Medellin Raza op 8th"]
[Site "Medellin"]
[Date "2018.10.05"]
[Round "2"]
[White "Becerra, Juan David"]
[Black "Chaux, Oscar Orlando"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2261"]
[BlackElo "1809"]
[PlyCount "71"]
[EventDate "2018.10.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bc4 Na5 6. Be2 Nc6 7. 0-0 d6 8. Bc4 e6 9. d3 Nge7 10. Qe1 Na5 11. Bb5+ Bd7 12. f5 gxf5 13. exf5 Nxf5 14. Bg5 Qc8 15. Bxd7+ Qxd7 16. Ne4 Nc6 17. Bf6 0-0 18. Nh4 Ne5 19. Nxf5 exf5 20. Qg3 Ng6 21. Bxg7 Kxg7 22. Nxd6 f4 23. Rxf4 Rad8 24. Nf5+ Kh8 25. Raf1 f6 26. Re4 Rg8 27. Qe3 b6 28. Ne7 Rg7 29. Nf5 Rf7 30. Re6 Qd5 31. c4 Qxd3 32. Re8+ Nf8 33. Qxd3 Rxd3 34. Rfe1 Rdd7 35. Ra8 h5 36. Ree8 1-0

[Event "Medellin Raza op 8th"]
[Site "Medellin"]
[Date "2018.10.05"]
[Round "3"]
[White "Chaux, Oscar Orlando"]
[Black "Chirivi Castiblanco, Angie Lizeth"]
[Result "0-1"]
[ECO "C77"]
[WhiteElo "1809"]
[BlackElo "2085"]
[PlyCount "68"]
[EventDate "2018.10.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c3 Be7 7. h3 0-0 8. 0-0 b5 9. Bc2 Bb7 10. Re1 Nb8 11. a4 c5 12. d4 Qc7 13. d5 c4 14. Nbd2 Nbd7 15. Nf1 Nc5 16. g4 bxa4 17. Ng3 Rfb8 18. Qe2 a5 19. Bxa4 Nxa4 20. Rxa4 Ba6 21. g5 Nd7 22. Be3 Nc5 23. Bxc5 Qxc5 24. Nf5 Bf8 25. Rea1 Bc8 26. Ne3 Bxh3 27. Nxc4 Bg4 28. R1a2 Rb5 29. Kg2 Be7 30. Rxa5 Raxa5 31. Rxa5 Rxa5 32. b4 Bxf3+ 33. Kxf3 Qc8 34. Kg3 Ra1 0-1

[Event "Florencia op"]
[Site "Florencia"]
[Date "2015.12.06"]
[Round "3"]
[White "Cadena Montoya, Gustavo Adolfo"]
[Black "Chaux, Oscar Orlando"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "2180"]
[BlackElo "1716"]
[PlyCount "54"]
[EventDate "2015.12.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 169 Extra"]
[Source "ChessBase"]
[SourceDate "2015.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.12.18"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. g3 e5 5. Bg2 Be7 6. e4 0-0 7. d5 c6 8. Nge2 a6 9. 0-0 cxd5 10. cxd5 b5 11. h3 Re8 12. g4 Nb6 13. Ng3 Bf8 14. Nce2 g6 15. b3 Nfd7 16. Be3 Bb7 17. Qd2 Rc8 18. Rac1 Qe7 19. Qa5 Na8 20. a4 bxa4 21. bxa4 Rxc1 22. Rxc1 Rc8 23. Rb1 Nc5 24. Qb4 Rc7 25. a5 Qd8 26. Nc1 Be7 27. Bf1 Bc8 1-0

[Event "Florencia op"]
[Site "Florencia"]
[Date "2015.12.06"]
[Round "4"]
[White "Chaux, Oscar Orlando"]
[Black "Lima, Luis Antonio"]
[Result "1-0"]
[ECO "C64"]
[WhiteElo "1716"]
[BlackElo "1767"]
[PlyCount "77"]
[EventDate "2015.12.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 169 Extra"]
[Source "ChessBase"]
[SourceDate "2015.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.12.18"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. 0-0 Nge7 5. Nxe5 Nxe5 6. d4 c6 7. Be2 Bb6 8. dxe5 Ng6 9. Kh1 Nxe5 10. f4 Ng6 11. Qe1 d6 12. Qg3 h5 13. f5 h4 14. Qg4 Kf8 15. Nc3 Ne5 16. Qf4 f6 17. Be3 Bc7 18. Rad1 Qe7 19. Rd2 Bd7 20. Rfd1 Be8 21. Qf2 b6 22. h3 Bf7 23. b3 Rd8 24. Bf4 Re8 25. Nb1 Kg8 26. c4 Bh5 27. Nc3 Kf7 28. Bxh5+ Rxh5 29. Ne2 Bb8 30. Nd4 Rc8 31. Ne6 g5 32. Bxe5 fxe5 33. b4 Rg8 34. c5 bxc5 35. bxc5 d5 36. exd5 cxd5 37. Rxd5 Kf6 38. Rd7 Qe8 39. Nc7 1-0

[Event "Florencia op"]
[Site "Florencia"]
[Date "2015.12.06"]
[Round "5"]
[White "Gomez Barrero, Sergio"]
[Black "Chaux, Oscar Orlando"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2054"]
[BlackElo "1716"]
[PlyCount "47"]
[EventDate "2015.12.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 169 Extra"]
[Source "ChessBase"]
[SourceDate "2015.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.12.18"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 g6 3. d3 Bg7 4. Nd2 0-0 5. e4 d6 6. Be2 e5 7. h4 h5 8. Ngf3 Nbd7 9. Nf1 d5 10. Ng5 dxe4 11. dxe4 c6 12. Ng3 Qa5+ 13. c3 Nc5 14. 0-0 Rd8 15. Qc2 Ne6 16. b4 Qb6 17. Bc1 Nh7 18. Be3 Qc7 19. Nf3 Nf4 20. Bc4 Be6 21. Bb3 Bg4 22. Nh2 Qe7 23. Nxg4 hxg4 24. h5 1-0

[Event "Florencia op"]
[Site "Florencia"]
[Date "2015.12.05"]
[Round "2"]
[White "Arismendi Polanco, Efrain Steven"]
[Black "Chaux, Oscar Orlando"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1944"]
[BlackElo "1716"]
[PlyCount "58"]
[EventDate "2015.12.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 169 Extra"]
[Source "ChessBase"]
[SourceDate "2015.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.12.18"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 Nc6 7. Nb3 e6 8. Be3 b5 9. a3 Qc7 10. Qd2 Bb7 11. 0-0-0 0-0-0 12. Bxb5 axb5 13. Nxb5 Qb8 14. Na5 Ba8 15. Nxc6 Bxc6 16. Na7+ Kd7 17. Bc5 d5 18. exd5 Bxd5 19. Qa5 Qf4+ 20. Kb1 Qc4 21. Bb6 Qa2+ 22. Kc1 Bd6 23. Qb5+ Ke7 24. Bxd8+ Rxd8 25. Kd2 Bf4+ 26. Ke1 Rd7 27. Kf2 Rc7 28. Rhe1 Bd6 29. Rd2 Bc5+ 0-1

[Event "Florencia op"]
[Site "Florencia"]
[Date "2015.12.04"]
[Round "1"]
[White "Chaux, Oscar Orlando"]
[Black "Imbachi, Giovanni"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "1716"]
[PlyCount "45"]
[EventDate "2015.12.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 169 Extra"]
[Source "ChessBase"]
[SourceDate "2015.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.12.18"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 d6 4. Nc3 cxd4 5. Nxd4 Nf6 6. g3 Be7 7. Bg2 e5 8. Nb3 0-0 9. 0-0 Be6 10. h3 Qd7 11. Kh2 Bxb3 12. axb3 Nc6 13. Be3 a6 14. Qd2 Rad8 15. Rad1 Rfe8 16. Bb6 Rc8 17. g4 Nd8 18. f4 exf4 19. e5 Nxg4+ 20. hxg4 Qxg4 21. exd6 Qg3+ 22. Kg1 Bg5 23. d7 1-0

[Event "Ortega op 3rd"]
[Site "Ortega"]
[Date "2013.06.10"]
[Round "8"]
[White "Chaux, Oscar Orlando"]
[Black "Vanegas, Ricardo"]
[Result "0-1"]
[ECO "A13"]
[BlackElo "1989"]
[PlyCount "112"]
[EventDate "2013.06.07"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. c4 e6 2. g3 c6 3. Bg2 d5 4. cxd5 exd5 5. Nf3 Nf6 6. 0-0 Bd6 7. d3 0-0 8. Nbd2 Re8 9. Re1 Nbd7 10. Qc2 Nc5 11. b3 Bg4 12. Ba3 Ne6 13. Bb2 Rc8 14. e4 dxe4 15. dxe4 Bb8 16. Rad1 Qe7 17. e5 Nd5 18. Nc4 b5 19. Ba3 b4 20. Bb2 Qc5 21. Qe4 Bh5 22. Rc1 Qe7 23. Nh4 g6 24. Na5 Ng5 25. Nxc6 Rxc6 26. Qxd5 Rxc1 27. Rxc1 Ne6 28. Qb7 Qd8 29. Qxb4 Ng5 30. f4 Ne6 31. Bf3 g5 32. Bxh5 gxh4 33. f5 Qg5 34. Qg4 Qxg4 35. Bxg4 Ng7 36. f6 hxg3 37. fxg7 gxh2+ 38. Kxh2 f6 39. Rc8 Rxc8 40. Bxc8 Kxg7 41. Kg2 fxe5 42. Kf3 Kf6 43. Ke4 h5 44. a4 a5 45. Bc3 Bc7 46. Bd2 Bd8 47. Kd5 Bc7 48. Kc6 Bd8 49. Kb5 e4 50. Bxa5 Bxa5 51. Kxa5 e3 52. Kb4 Ke5 53. Kc3 Kf4 54. Kc2 Kf3 55. Kd1 Kf2 56. a5 h4 0-1

[Event "Ortega op 3rd"]
[Site "Ortega"]
[Date "2013.06.10"]
[Round "7"]
[White "Gomez Guardo, Laura Melissa"]
[Black "Chaux, Oscar Orlando"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "1830"]
[PlyCount "66"]
[EventDate "2013.06.07"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. e3 b6 5. Nc3 Bb7 6. g3 cxd4 7. exd4 Bb4 8. Bd2 0-0 9. Bg2 Nc6 10. 0-0 Rc8 11. b3 Na5 12. Nb5 Bxd2 13. Qxd2 Ne4 14. Qf4 a6 15. Nd6 Nxd6 16. Qxd6 Qc7 17. Qxc7 Rxc7 18. Rac1 Rfc8 19. Ne5 Bxg2 20. Kxg2 d5 21. Rc2 dxc4 22. Rfc1 b5 23. Kf3 f6 24. Ng4 h5 25. Ne3 Nc6 26. Rd2 c3 27. Rdd1 b4 28. d5 Ne5+ 29. Ke4 exd5+ 30. Rxd5 Re8 31. Kf5 Kf7 32. h3 Ng6 33. Rc2 Ne7+ 0-1

[Event "Ortega op 3rd"]
[Site "Ortega"]
[Date "2013.06.09"]
[Round "6"]
[White "Chaux, Oscar Orlando"]
[Black "Mendez Mendez, Julian David"]
[Result "1-0"]
[ECO "B12"]
[PlyCount "25"]
[EventDate "2013.06.07"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 c6 3. Nf3 Nh6 4. Nc3 Nd7 5. Bf4 f6 6. Qd2 g5 7. Bg3 b5 8. 0-0-0 a6 9. e5 dxe5 10. dxe5 Qc7 11. e6 Nb6 12. Bxc7 Nc4 13. Qd8# 1-0

[Event "Ortega op 3rd"]
[Site "Ortega"]
[Date "2013.06.08"]
[Round "4"]
[White "Chaux, Oscar Orlando"]
[Black "Saenz, Juan Javier"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "33"]
[EventDate "2013.06.07"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nc6 5. Nc3 Be6 6. d4 d5 7. Bg5 Be7 8. e5 Ng8 9. Bxe7 Ngxe7 10. Qd2 Qd7 11. 0-0-0 0-0-0 12. Bb5 f6 13. Rhe1 Rhf8 14. Na4 a6 15. Nc5 Qe8 16. Nxe6 axb5 17. Nxf8 1-0

[Event "Ortega op 3rd"]
[Site "Ortega"]
[Date "2013.06.08"]
[Round "3"]
[White "Garces Trujillo, Luis Javier"]
[Black "Chaux, Oscar Orlando"]
[Result "1-0"]
[ECO "E22"]
[WhiteElo "2002"]
[PlyCount "85"]
[EventDate "2013.06.07"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Bxc3+ 5. Qxc3 0-0 6. Bg5 d5 7. Nf3 c6 8. e3 Nbd7 9. Bd3 b6 10. Ne5 Bb7 11. 0-0 Qc8 12. Rac1 c5 13. Nxd7 Nxd7 14. cxd5 Bxd5 15. Bb1 Qb7 16. f3 cxd4 17. Qxd4 e5 18. Qd3 g6 19. Rfd1 Be6 20. Qd6 Rac8 21. Be4 Qa6 22. Bc6 b5 23. Bh6 Rfe8 24. a3 f6 25. Rc3 Rcd8 26. Qb4 Kf7 27. Bxb5 Qb7 28. Rcd3 Qc8 29. f4 Rg8 30. Rc3 Qb8 31. Rd6 Nb6 32. fxe5 Nd5 33. Rxd5 Rxd5 34. exf6 Kxf6 35. Rc5 Qd6 36. Qc3+ Ke7 37. Rc7+ Kd8 38. Bf4 Rd1+ 39. Bf1 Qf8 40. Bg5+ Ke8 41. Qc6+ Bd7 42. Rc8+ Kf7 43. Qf6# 1-0

[Event "Ortega op 3rd"]
[Site "Ortega"]
[Date "2013.06.07"]
[Round "2"]
[White "Chaux, Oscar Orlando"]
[Black "Nunez, Margarita Saturia"]
[Result "1-0"]
[ECO "C70"]
[PlyCount "31"]
[EventDate "2013.06.07"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 f6 6. 0-0 Bc5 7. c3 g6 8. d4 Bb6 9. dxe5 fxe5 10. Bg5 Nf6 11. Bd5 Bb7 12. b4 Qe7 13. Re1 Qd6 14. Bxc6 Bxc6 15. Qxd6 cxd6 16. Bxf6 1-0

[Event "Ortega op 3rd"]
[Site "Ortega"]
[Date "2013.06.07"]
[Round "1"]
[White "Pazos Gambarrotti, Plinio Efrain"]
[Black "Chaux, Oscar Orlando"]
[Result "1-0"]
[ECO "D55"]
[WhiteElo "2298"]
[PlyCount "77"]
[EventDate "2013.06.07"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 Be7 5. Bg5 0-0 6. e3 Nbd7 7. Qc2 b6 8. cxd5 exd5 9. Bd3 Bb7 10. 0-0 Ne4 11. Bxe7 Qxe7 12. Nd2 f5 13. Rae1 a6 14. Re2 Rae8 15. Qb3 Ndf6 16. Nf3 Kh8 17. Ne5 c5 18. Qxb6 c4 19. Bc2 Nh5 20. f4 Rf6 21. Qa5 Rd8 22. Rf3 Qd6 23. Bd1 Kg8 24. Re1 Qb6 25. Qa3 Rfd6 26. Rff1 Nhf6 27. Bf3 Qc7 28. Rc1 Bc8 29. b3 Be6 30. Na4 Qa5 31. bxc4 dxc4 32. Rxc4 Bxc4 33. Nxc4 Qb5 34. Nxd6 Rxd6 35. Nc3 Qd7 36. Nxe4 fxe4 37. Be2 Rb6 38. Bxa6 Qa7 39. Bc4+ 1-0

[Event "COL-ch Amateur"]
[Site "Neiva"]
[Date "2011.06.05"]
[Round "9"]
[White "Chaux, Oscar Orlando"]
[Black "Mendez, Wilford"]
[Result "0-1"]
[ECO "E72"]
[BlackElo "1862"]
[PlyCount "25"]
[EventDate "2011.06.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 c5 5. d4 0-0 6. d5 d6 7. e4 e5 8. dxe6 fxe6 9. Bg5 h6 10. Bxf6 Bxf6 11. Qd2 Kh7 12. 0-0-0 Be7 13. f4 0-1

[Event "COL-ch Amateur"]
[Site "Neiva"]
[Date "2011.06.04"]
[Round "7"]
[White "Chaux, Oscar Orlando"]
[Black "Romero Mora, Elvert"]
[Result "0-1"]
[ECO "E61"]
[PlyCount "46"]
[EventDate "2011.06.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. e3 d6 6. Nge2 e5 7. 0-0 Nc6 8. d4 exd4 9. Nxd4 Nxd4 10. Qxd4 Re8 11. Qd3 Rb8 12. e4 Nd7 13. Nd5 c6 14. Ne3 Nc5 15. Qc2 Qe7 16. f3 Ne6 17. Rb1 Nd4 18. Qf2 f5 19. Rd1 fxe4 20. fxe4 Rf8 21. Qd2 Qf7 22. b3 Bh6 23. Bb2 Nc2 0-1

[Event "COL-ch Amateur"]
[Site "Neiva"]
[Date "2011.06.04"]
[Round "6"]
[White "Nope, Tatiana"]
[Black "Chaux, Oscar Orlando"]
[Result "0-1"]
[ECO "B20"]
[PlyCount "52"]
[EventDate "2011.06.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 c5 2. d3 Nc6 3. c4 g6 4. Ne2 Bg7 5. g3 Nf6 6. Bg2 d6 7. 0-0 h5 8. Bg5 Be6 9. Nbc3 Nh7 10. Qd2 Nxg5 11. Qxg5 Qd7 12. Qc1 Bh3 13. Nf4 Bxg2 14. Nxg2 h4 15. Nxh4 Rxh4 16. gxh4 Qg4+ 17. Kh1 Qxh4 18. Qe3 0-0-0 19. Qg3 Qh5 20. Rg1 Kb8 21. Qg4 Qe5 22. f4 Qd4 23. f5 Ne5 24. Qg3 Nxd3 25. Kg2 Be5 26. Qf3 Rh8 0-1

[Event "COL-ch Amateur"]
[Site "Neiva"]
[Date "2011.06.04"]
[Round "8"]
[White "Quinonez Lara, Maria Constanza"]
[Black "Chaux, Oscar Orlando"]
[Result "0-1"]
[ECO "B23"]
[PlyCount "32"]
[EventDate "2011.06.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 g6 4. Bb5+ Nc6 5. Nf3 Bg7 6. 0-0 e6 7. Bxc6+ bxc6 8. Qe1 Ne7 9. d3 Rb8 10. Nh4 f5 11. exf5 exf5 12. Qg3 Be6 13. Re1 Bf7 14. Nxf5 Bf6 15. Nxe7 Bxe7 16. Qe3 Rb7 0-1

[Event "COL-ch Amateur"]
[Site "Neiva"]
[Date "2011.06.03"]
[Round "5"]
[White "Chaux, Oscar Orlando"]
[Black "Hernandez, Frank"]
[Result "1/2-1/2"]
[ECO "A34"]
[PlyCount "63"]
[EventDate "2011.06.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 c5 3. g3 d5 4. cxd5 exd5 5. d4 Nc6 6. dxc5 d4 7. Na4 Qd5 8. Nf3 Bxc5 9. Nxc5 Qxc5 10. a3 Nf6 11. Bg2 0-0 12. 0-0 Be6 13. Bf4 Nd5 14. b4 Qb6 15. Bd6 Nc3 16. Qd3 Rfd8 17. Bc5 Qb5 18. Qxb5 Nxb5 19. Rfd1 Nc3 20. Rd2 Ne4 21. Rdd1 Nc3 22. Rd2 Ne4 23. Rb2 Nxc5 24. bxc5 Na5 25. Rb5 Nb3 26. Rb1 d3 27. exd3 Rxd3 28. Rxb7 Nxc5 29. Rb8+ Rd8 30. R8b5 Na4 31. Rb7 Nc3 32. Re1 1/2-1/2

[Event "COL-ch Amateur"]
[Site "Neiva"]
[Date "2011.06.03"]
[Round "3"]
[White "Chaux, Oscar Orlando"]
[Black "Medina, Cristian"]
[Result "1-0"]
[ECO "B50"]
[PlyCount "55"]
[EventDate "2011.06.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d3 Nf6 4. g3 e5 5. Bg2 Be6 6. 0-0 Be7 7. Re1 0-0 8. Nbd2 Qd7 9. c3 Nc6 10. Qc2 Ng4 11. Nf1 f5 12. h3 Nf6 13. Ng5 Nh5 14. Nxe6 Qxe6 15. exf5 Qd7 16. Ne3 Nf6 17. g4 d5 18. g5 Nh5 19. Bxd5+ Kh8 20. h4 Nf4 21. Be4 Bxg5 22. hxg5 Qe7 23. Qd1 Qxg5+ 24. Qg4 Qd8 25. Nc4 Nxd3 26. Rd1 Nxf2 27. Kxf2 Qf6 28. Bg5 1-0

[Event "COL-ch Amateur"]
[Site "Neiva"]
[Date "2011.06.03"]
[Round "4"]
[White "Guarin, Holmes"]
[Black "Chaux, Oscar Orlando"]
[Result "1-0"]
[ECO "A54"]
[WhiteElo "1894"]
[PlyCount "36"]
[EventDate "2011.06.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 d6 4. d4 Qe7 5. dxe5 dxe5 6. Bg5 c6 7. e4 Bg4 8. Be2 Nbd7 9. Qc2 g6 10. Rd1 Bg7 11. 0-0 0-0 12. Rd2 Rfe8 13. Rfd1 h6 14. Be3 Rad8 15. Bxa7 Qb4 16. c5 Ra8 17. Bb6 Nxb6 18. cxb6 Qxb6 1-0

[Event "COL-ch Amateur"]
[Site "Neiva"]
[Date "2011.06.02"]
[Round "2"]
[White "Lopez Idarraga, Daniel Eduardo"]
[Black "Chaux, Oscar Orlando"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "1981"]
[PlyCount "37"]
[EventDate "2011.06.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. e5 Nd5 7. Bd2 Nb6 8. Qg4 Rg8 9. Bd3 g6 10. Nxe6 dxe6 11. Qxb4 Nc6 12. Qf4 a6 13. Ne4 Qc7 14. Nf6+ Kf8 15. Qh6+ Rg7 16. Nxh7+ Kg8 17. Nf6+ Kf8 18. Qh8+ Ke7 19. Qe8# 1-0

[Event "COL-ch School U15"]
[Site "Neiva"]
[Date "2010.03.20"]
[Round "8.1"]
[White "Chaux, Oscar Orlando"]
[Black "Castro, Jairo Antonio"]
[Result "0-1"]
[ECO "D10"]
[BlackElo "1962"]
[PlyCount "20"]
[EventDate "2010.03.17"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 c6 2. Nc3 Nf6 3. g3 d5 4. cxd5 cxd5 5. d4 e6 6. Bg2 Nc6 7. Bg5 Be7 8. Bxf6 Bxf6 9. Nf3 Qb6 10. e3 Qxb2 0-1

[Event "COL-ch School U15"]
[Site "Neiva"]
[Date "2010.03.20"]
[Round "7.1"]
[White "Hernandez Sanchez, Jairo Andres"]
[Black "Chaux, Oscar Orlando"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2056"]
[PlyCount "45"]
[EventDate "2010.03.17"]
[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 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Nf3 e6 6. Be3 Bb4+ 7. c3 Ba5 8. Bd3 Bxd3 9. Qxd3 Ne7 10. 0-0 Nd7 11. Nbd2 Qc7 12. a4 Bb6 13. c4 c5 14. Rac1 Rc8 15. cxd5 Nxd5 16. Nc4 0-0 17. Nd6 Rcd8 18. Ng5 g6 19. Ndxf7 Rxf7 20. Qxg6+ Rg7 21. Qxe6+ Kf8 22. Qxd5 Nf6 23. Qf3 1-0

[Event "COL-ch School U15"]
[Site "Neiva"]
[Date "2010.03.19"]
[Round "5.1"]
[White "Chaux, Oscar Orlando"]
[Black "Valencia Gantiva, Cristian"]
[Result "1-0"]
[ECO "E61"]
[BlackElo "1995"]
[PlyCount "75"]
[EventDate "2010.03.17"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. g3 c6 4. Bg2 Nf6 5. e3 0-0 6. Nge2 d6 7. 0-0 Nbd7 8. d4 e5 9. Re1 Ne8 10. b3 Qc7 11. Ba3 a6 12. Qc2 exd4 13. Nxd4 c5 14. Nde2 Ndf6 15. Rad1 Be6 16. Nf4 Rd8 17. Rd3 g5 18. Nfd5 Nxd5 19. Nxd5 Bxd5 20. Bxd5 Nf6 21. Bg2 b5 22. Bb2 Ne8 23. Red1 Bxb2 24. Qxb2 bxc4 25. bxc4 Rb8 26. Qc3 Rb6 27. e4 Ng7 28. Qf6 Qd8 29. Qc3 Qe7 30. Rd5 f6 31. f4 gxf4 32. gxf4 Ne6 33. e5 fxe5 34. fxe5 Nd4 35. Re1 Qg7 36. Kh1 Rf2 37. Qg3 Qxg3 38. hxg3 1-0

[Event "COL-ch School U15"]
[Site "Neiva"]
[Date "2010.03.19"]
[Round "6.1"]
[White "Portilla Garcia, Wilfer Ernesto"]
[Black "Chaux, Oscar Orlando"]
[Result "0-1"]
[ECO "C06"]
[PlyCount "68"]
[EventDate "2010.03.17"]
[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. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 Qb6 8. Nf3 Be7 9. 0-0 Qc7 10. Bf4 b6 11. Rc1 Bb7 12. Bg3 0-0-0 13. b3 h5 14. Bb5 h4 15. Bf4 h3 16. g3 Rdg8 17. Qd2 Qd8 18. dxc5 Nxc5 19. Bxc6 Bxc6 20. Nfd4 Kb7 21. f3 g5 22. Be3 Bd7 23. b4 Na6 24. a3 f5 25. Bf2 Qc7 26. Rfe1 f4 27. g4 Qc4 28. Nc2 Ba4 29. Qd4 Rc8 30. Qxc4 Rxc4 31. Ncd4 Rh6 32. Rb1 Kc7 33. Rb2 Kd7 34. Rc1 Bf8 0-1

[Event "COL-ch School U15"]
[Site "Neiva"]
[Date "2010.03.18"]
[Round "4.1"]
[White "Ruiz Castillo, Joshua Daniel"]
[Black "Chaux, Oscar Orlando"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "2063"]
[PlyCount "91"]
[EventDate "2010.03.17"]
[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 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 f6 7. Bc4 h5 8. Nh3 e5 9. Be3 Nd7 10. 0-0 Qc7 11. f4 0-0-0 12. f5 Be8 13. Ne2 exd4 14. Nxd4 Ne5 15. Be6+ Kb8 16. Qe2 Bd6 17. Bxg8 Rxg8 18. Ne6 Qe7 19. Nxd8 Qxd8 20. Rad1 Qc7 21. c4 Bf7 22. c5 Be7 23. b3 Re8 24. Qc2 Ka8 25. Qc3 Qc8 26. Bd4 Ng4 27. b4 Qc7 28. g3 Bxa2 29. Nf2 Nh6 30. Nh3 Bd5 31. Rde1 Qd7 32. Qc2 Bd8 33. Be3 Nf7 34. Bf4 Ne5 35. Bxe5 fxe5 36. Ng5 b5 37. Re3 Bf6 38. Kh2 Qe7 39. Ne4 Bxh4 40. Nd6 Bg5 41. Ra3 Rd8 42. Rfa1 Rd7 43. Nc8 Bf3 44. Nxe7 Rd2+ 45. Qxd2 Bxd2 46. Rxa7+ 1-0

[Event "COL-ch School U15"]
[Site "Neiva"]
[Date "2010.03.17"]
[Round "1.1"]
[White "Diaz, Cristian Camilo"]
[Black "Chaux, Oscar Orlando"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2030"]
[PlyCount "66"]
[EventDate "2010.03.17"]
[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. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 Qb6 8. Nf3 Be7 9. 0-0 h6 10. h3 Qc7 11. Nh2 b6 12. f4 Bb7 13. f5 0-0-0 14. fxe6 fxe6 15. Rf7 g5 16. Bb5 Rdf8 17. Rg7 cxd4 18. Bxc6 Qxc6 19. Nxd4 Bc5 20. Be3 Bxd4 21. cxd4 Kb8 22. Rc1 Qb5 23. a4 Qxb2 24. Rxd7 Rc8 25. Ng4 Rc4 26. Rb1 Qa2 27. Ra1 Qb2 28. a5 Rc2 29. Qf1 Rxg2+ 30. Kh1 h5 31. Rb1 Qa2 32. axb6 a5 33. Rxb7+ Ka8 1-0

[Event "COL-ch Amateur"]
[Site "Garzon"]
[Date "2009.11.15"]
[Round "5.20"]
[White "Chaux, Oscar Orlando"]
[Black "Moreno, Pablo Emilio"]
[Result "0-1"]
[ECO "A16"]
[BlackElo "1665"]
[PlyCount "44"]
[EventDate "2009.11.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 d5 5. cxd5 0-0 6. e3 e6 7. dxe6 fxe6 8. Nge2 c6 9. 0-0 Nbd7 10. Bh3 Ne5 11. d4 Nf3+ 12. Kh1 Qd6 13. Bg2 Ng5 14. e4 Ng4 15. Bxg5 Nxf2+ 16. Rxf2 Rxf2 17. Bf4 e5 18. dxe5 Qxd1+ 19. Rxd1 Bg4 20. Re1 g5 21. Kg1 Rxe2 22. Nxe2 gxf4 0-1

[Event "COL-ch Amateur"]
[Site "Garzon"]
[Date "2009.11.15"]
[Round "3.39"]
[White "Vargas, German Dario"]
[Black "Chaux, Oscar Orlando"]
[Result "1-0"]
[ECO "E24"]
[PlyCount "83"]
[EventDate "2009.11.14"]
[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 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 Nf6 6. Bg5 Nbd7 7. e3 h6 8. Bh4 b6 9. cxd5 exd5 10. Bb5 g5 11. Bg3 Bb7 12. Qf3 c6 13. Bd3 Qe7 14. Bf5 Ne4 15. Ne2 c5 16. h4 Rc8 17. hxg5 Nxg5 18. Qg4 Nf6 19. Qxg5 hxg5 20. Rxh8+ Qf8 21. Rxf8+ Kxf8 22. Bxc8 Bxc8 23. f3 g4 24. Bd6+ Ke8 25. dxc5 Kd7 26. Be5 Ng8 27. cxb6 axb6 28. Bd4 Kc6 29. a4 Nh6 30. Rb1 gxf3 31. Rxb6+ Kc7 32. Rxh6 Be6 33. gxf3 Kc6 34. Kd2 Kb7 35. Nf4 Ka6 36. Nxe6 fxe6 37. Rxe6+ Ka5 38. Rd6 Kxa4 39. Rxd5 Kb3 40. Kd3 Ka4 41. Kc2 Ka3 42. Ra5# 1-0

[Event "COL-ch Amateur"]
[Site "Garzon"]
[Date "2009.11.14"]
[Round "2.24"]
[White "Chaux, Oscar Orlando"]
[Black "Alvarez, Juan Evangelista"]
[Result "1-0"]
[ECO "A23"]
[BlackElo "1613"]
[PlyCount "28"]
[EventDate "2009.11.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 0-0 5. e3 c6 6. Nge2 d5 7. cxd5 cxd5 8. d4 exd4 9. exd4 Bb4 10. 0-0 Ng4 11. a3 Bxc3 12. Nxc3 Be6 13. Re1 f5 14. Rxe6 Nf6 1-0

[Event "COL-ch Amateur"]
[Site "Garzon"]
[Date "2009.11.14"]
[Round "1.16"]
[White "Chaux, Oscar Orlando"]
[Black "Castillo, Arcenover"]
[Result "0-1"]
[ECO "E71"]
[BlackElo "1866"]
[PlyCount "58"]
[EventDate "2009.11.14"]
[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 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. Bd3 d6 6. h3 Na6 7. a3 c5 8. d5 Nc7 9. Nge2 Nd7 10. f4 a6 11. b4 b5 12. cxb5 Nxb5 13. Bb2 Nxc3 14. Bxc3 Bxc3+ 15. Nxc3 cxb4 16. axb4 Qb6 17. Qb3 a5 18. Ra4 Nc5 19. Qa3 Nxd3+ 20. Ke2 Nxf4+ 21. Kf3 Nd3 22. Ke2 Nxb4 23. Rb1 Ba6+ 24. Kf3 Bd3 25. Rb2 f5 26. Na2 fxe4+ 27. Kg3 Qd4 28. Nxb4 Qe5+ 29. Kg4 Qf4# 0-1

