[Event "Central Region-ch U12"]
[Site "Villavicencio"]
[Date "2012.05.21"]
[Round "6.10"]
[White "Lamus, Juan Diego"]
[Black "Contreras Rodriguez, Sergio Stiv"]
[Result "1-0"]
[ECO "B20"]
[BlackElo "1343"]
[PlyCount "66"]
[EventDate "2012.05.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 Nc6 3. h3 Nf6 4. Nf3 d6 5. Ng5 Be6 6. Bxe6 fxe6 7. Nxe6 Qd7 8. Nf4 Nxe4 9. d3 Nf6 10. Nc3 e6 11. 0-0 Be7 12. Nfe2 0-0 13. Ng3 Nd4 14. Nge4 Nxe4 15. Nxe4 d5 16. Ng5 h6 17. c3 Nf5 18. Nf3 Rf7 19. Ne5 Qd6 20. Nxf7 Kxf7 21. Qh5+ g6 22. Qf3 Qe5 23. Bxh6 g5 24. Qh5+ Kg8 25. Qg6+ Kh8 26. Rfe1 Qf6 27. Rxe6 Qxg6 28. Rxg6 Kh7 29. Re6 Rg8 30. h4 Rg6 31. Re5 Nxh4 32. Rxe7+ Kxh6 33. Rxb7 Rb6 1-0

[Event "Central Region-ch U12"]
[Site "Villavicencio"]
[Date "2012.05.20"]
[Round "4.14"]
[White "Contreras Rodriguez, Sergio Stiv"]
[Black "Pena Aldana, Kevin Andres"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1343"]
[PlyCount "40"]
[EventDate "2012.05.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nxe4 4. Qe2 d5 5. f3 b6 6. fxe4 Ba6 7. c4 Bxc4 8. Nxc4 Nc6 9. Qf3 Nd4 10. Qc3 Qf6 11. Bd3 dxc4 12. Bxc4 Bc5 13. Bb5+ Kd8 14. d3 Nc2+ 15. Qxc2 Bf2+ 16. Qxf2 Qxf2+ 17. Kxf2 g6 18. Bg5+ Kc8 19. Nc3 h6 20. Bf6 Rf8 1-0

[Event "Central Region-ch U12"]
[Site "Villavicencio"]
[Date "2012.05.19"]
[Round "3.13"]
[White "Avendano Leon, Raul Camilo"]
[Black "Contreras Rodriguez, Sergio Stiv"]
[Result "1-0"]
[ECO "B72"]
[WhiteElo "1290"]
[BlackElo "1343"]
[PlyCount "51"]
[EventDate "2012.05.18"]
[EventType "swiss"]
[EventRounds "6"]
[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 Nc6 8. Nxc6 bxc6 9. Re1 0-0 10. h3 Rb8 11. Qf3 Re8 12. a3 c5 13. Rb1 Bb7 14. b4 cxb4 15. Rxb4 Qc7 16. Nd5 Nxd5 17. exd5 Ba6 18. Bxa6 Bc3 19. Rc4 Qb6 20. Qxc3 Qxa6 21. Bh6 f6 22. g4 g5 23. h4 Kf7 24. Qd3 Rec8 25. Qxh7+ Ke8 26. Qxe7# 1-0

[Event "Central Region-ch U12"]
[Site "Villavicencio"]
[Date "2012.05.19"]
[Round "2.9"]
[White "Contreras Rodriguez, Sergio Stiv"]
[Black "Castro, Alison Gisell"]
[Result "0-1"]
[ECO "C68"]
[WhiteElo "1343"]
[BlackElo "1537"]
[PlyCount "118"]
[EventDate "2012.05.18"]
[EventType "swiss"]
[EventRounds "6"]
[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. Bxc6 bxc6 5. Nxe5 Qe7 6. Ng4 Qxe4+ 7. Ne3 Nf6 8. 0-0 Bd6 9. Re1 0-0 10. Nc3 Qe5 11. Ng4 Qf4 12. Nxf6+ Qxf6 13. Qg4 Qf4 14. Qxf4 Bxf4 15. g3 Bg5 16. d4 Bf6 17. Bf4 d6 18. Rad1 Bg4 19. Rd2 Rfe8 20. Re3 h6 21. Ne2 Bxe2 22. Rdxe2 Rxe3 23. Rxe3 Bxd4 24. Rb3 Re8 25. c3 Bc5 26. Kg2 g5 27. Be3 Bxe3 28. fxe3 Rxe3 29. Rb7 Re7 30. Kf2 f6 31. Ra7 Kf7 32. Rxa6 c5 33. Rc6 Ke8 34. a4 Kd7 35. Ra6 Re8 36. Ra5 Kc6 37. Rb5 Ra8 38. b3 f5 39. Kf3 d5 40. h4 Kd6 41. hxg5 hxg5 42. g4 f4 43. Rb7 Re8 44. a5 Ra8 45. b4 cxb4 46. cxb4 Kc6 47. a6 Rxa6 48. Rb8 Ra4 49. b5+ Kd6 50. b6 cxb6 51. Rxb6+ Kc5 52. Rg6 Re4 53. Rxg5 Kc4 54. Rh5 Re7 55. Rg5 d4 56. Rh5 d3 57. Rh1 Kc3 58. Kxf4 d2 59. Kf5 Re1 0-1

[Event "Central Region-ch U12"]
[Site "Villavicencio"]
[Date "2012.05.18"]
[Round "1.7"]
[White "Cortes, Maria Angelica"]
[Black "Contreras Rodriguez, Sergio Stiv"]
[Result "1-0"]
[ECO "B70"]
[WhiteElo "1770"]
[BlackElo "1343"]
[PlyCount "81"]
[EventDate "2012.05.18"]
[EventType "swiss"]
[EventRounds "6"]
[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. Bg5 Bg7 7. Bc4 Nc6 8. Nf3 0-0 9. Qd2 Bd7 10. Bh6 Re8 11. Bxg7 Kxg7 12. 0-0 Na5 13. Bb5 Bxb5 14. Nxb5 Qb6 15. a4 a6 16. b4 Nxe4 17. Qd4+ Qxd4 18. Nbxd4 Nc4 19. Rfe1 Ned2 20. Nxd2 Nxd2 21. Rad1 Nc4 22. Nf3 b5 23. axb5 axb5 24. Ra1 Ra4 25. c3 e6 26. Nd4 Rea8 27. Rxa4 bxa4 28. Ra1 Nd2 29. g3 Nb3 30. Nxb3 axb3 31. Rb1 Ra3 32. Kg2 Kf6 33. b5 Ke7 34. c4 d5 35. cxd5 exd5 36. Kf3 Kd6 37. b6 Kc6 38. b7 Kxb7 39. Ke3 Kb6 40. Kd3 Kb5 41. Kd4 1-0

[Event "Huila Region-ch School U07"]
[Site "Neiva"]
[Date "2010.03.20"]
[Round "7.4"]
[White "Contreras Rodriguez, Sergio Stiv"]
[Black "Fitzgerald, Daniela"]
[Result "1-0"]
[ECO "C48"]
[WhiteElo "1300"]
[BlackElo "1324"]
[PlyCount "18"]
[EventDate "2010.03.17"]
[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. Nc3 Nf6 4. Bb5 a6 5. Bxc6 dxc6 6. Nxe5 Bc5 7. 0-0 Bd7 8. Ne2 Nxe4 9. d4 Bd6 1-0

[Event "Huila Region-ch School U07"]
[Site "Neiva"]
[Date "2010.03.19"]
[Round "5.2"]
[White "Contreras Rodriguez, Sergio Stiv"]
[Black "Martinez, Cristian Camilo"]
[Result "1-0"]
[ECO "C68"]
[WhiteElo "1300"]
[BlackElo "1379"]
[PlyCount "91"]
[EventDate "2010.03.17"]
[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 a6 4. Bxc6 dxc6 5. Nc3 Bd6 6. d4 exd4 7. Nxd4 Nf6 8. Nf3 Bd7 9. e5 Qe7 10. 0-0 Bxe5 11. Nxe5 0-0-0 12. Re1 Bg4 13. f3 Rxd1 14. Rxd1 Qxe5 15. Bd2 Be6 16. Re1 Qg5 17. Bxg5 Nd7 18. Re3 h6 19. Bh4 g5 20. Bg3 Re8 21. Rae1 Nf8 22. Ne4 b6 23. h3 f5 24. Nf6 Re7 25. Bh2 f4 26. Re5 Kd8 27. g3 fxg3 28. Bxg3 a5 29. Rd1+ Nd7 30. Nxd7 Bxd7 31. Rxe7 Kxe7 32. Bxc7 Bxh3 33. Bxb6 a4 34. Kh2 Bf5 35. c4 Bc2 36. Bd8+ Ke8 37. Rd2 Bf5 38. a3 Be6 39. Re2 Kd7 40. Kg3 Bxc4 41. Rc2 Bd5 42. Bf6 Ke6 43. Bg7 h5 44. f4 g4 45. Rd2 Kf5 46. Be5 1-0

[Event "Huila Region-ch School U07"]
[Site "Neiva"]
[Date "2010.03.18"]
[Round "2.4"]
[White "Cardoso Cardoso, Jose Gabriel"]
[Black "Contreras Rodriguez, Sergio Stiv"]
[Result "1-0"]
[ECO "B70"]
[BlackElo "1300"]
[PlyCount "37"]
[EventDate "2010.03.17"]
[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. g3 Bg7 7. Bg2 Nc6 8. Be3 Bd7 9. 0-0 0-0 10. Qd2 Ne5 11. Bf4 Nc4 12. Qc1 e5 13. b3 Nb6 14. Ndb5 exf4 15. Qxf4 Nh5 16. Qxd6 Bxb5 17. Qxd8 Rfxd8 18. Nxb5 Bxa1 19. Rxa1 1-0

[Event "Huila Region-ch School U07"]
[Site "Neiva"]
[Date "2010.03.17"]
[Round "1.4"]
[White "Contreras Rodriguez, Sergio Stiv"]
[Black "Diaz, Luisa Fernanda"]
[Result "1-0"]
[ECO "C66"]
[WhiteElo "1300"]
[BlackElo "1331"]
[PlyCount "61"]
[EventDate "2010.03.17"]
[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. 0-0 Nf6 5. Nc3 Bd7 6. d4 exd4 7. Nxd4 Nxd4 8. Bxd7+ Qxd7 9. Qxd4 Be7 10. Re1 Rd8 11. Bg5 h6 12. Bxf6 Bxf6 13. Qd3 h5 14. Rad1 Rh6 15. Nd5 Be5 16. g3 Rg6 17. Rd2 c6 18. Ne3 Qh3 19. Nc4 Bf6 20. Nxd6+ Ke7 21. Nf5+ Ke8 22. Nd6+ Kf8 23. Red1 h4 24. Qb3 Rd7 25. Qc4 hxg3 26. fxg3 Be5 27. Nf5 Rxd2 28. Rxd2 Kg8 29. Ne7+ Kh8 30. Qxf7 Rf6 31. Qg8# 1-0

