[Event "Seville Villa de Coria op 9th"]
[Site "Seville"]
[Date "2003.??.??"]
[Round "1"]
[White "Komljenovic, Davorin"]
[Black "Sierra, Jorge"]
[Result "1-0"]
[ECO "D52"]
[WhiteElo "2431"]
[BlackElo "1800"]
[PlyCount "45"]
[EventDate "2003.02.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 092 Extra"]
[Source "ChessBase"]
[SourceDate "2003.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2003.03.07"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. Nf3 e6 5. Bg5 Nbd7 6. e3 Be7 7. Rc1 Qa5 8. cxd5 exd5 9. Nd2 0-0 10. Bd3 Re8 11. 0-0 Nf8 12. Qc2 Ng6 13. a3 Nh5 14. Bxe7 Rxe7 15. b4 Qd8 16. b5 Bd7 17. Nb3 Re6 18. Nc5 Rf6 19. Nxb7 Qc8 20. bxc6 Bh3 21. Nxd5 Bxg2 22. Nxf6+ Nxf6 23. Bf5 1-0

[Event "ATL-ch"]
[Site "Barranquilla"]
[Date "2000.06.18"]
[Round "9"]
[White "Bobadilla, Mario"]
[Black "Sierra, Jorge"]
[Result "1-0"]
[ECO "D17"]
[PlyCount "67"]
[EventDate "2000.06.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 c6 2. d4 d5 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. g3 e6 7. Bg2 Bb4 8. 0-0 0-0 9. Ne5 Qe7 10. Nxc4 Rd8 11. Ne3 Bg6 12. Na2 c5 13. Nxb4 Rxd4 14. Nd3 c4 15. Nxc4 Rxc4 16. Qb3 Bxd3 17. Qxd3 Rb4 18. b3 Na6 19. Ba3 Rd8 20. Qc2 h6 21. Rfd1 Re8 22. Bxb4 Nxb4 23. Qc4 Rb8 24. Rac1 Nbd5 25. e4 Nb6 26. Qc7 Qf8 27. a5 Na8 28. Qd6 Qxd6 29. Rxd6 Ne8 30. Rd7 Nf6 31. Rd2 Kh7 32. e5 Ng4 33. f4 b6 34. a6 1-0

[Event "ATL-ch"]
[Site "Barranquilla"]
[Date "2000.06.17"]
[Round "8"]
[White "Consuegra, Oscar Enrique"]
[Black "Sierra, Jorge"]
[Result "0-1"]
[ECO "B06"]
[PlyCount "91"]
[EventDate "2000.06.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. Qd2 Nd7 6. Nf3 Ngf6 7. Bc4 b5 8. Bb3 Bb7 9. Ng5 0-0 10. f3 c5 11. dxc5 Nxc5 12. 0-0 Nfd7 13. Rfd1 Nxb3 14. axb3 Nf6 15. Qf2 Rc8 16. e5 Ne8 17. e6 f6 18. Bb6 Nc7 19. Nf7 Qe8 20. Bxc7 Rxc7 21. Nd5 Bxd5 22. Rxd5 Qc6 23. Rd2 Ra8 24. b4 Qc4 25. Qb6 Rcc8 26. Nxd6 exd6 27. Qxd6 Qc7 28. Rxa6 Qxd6 29. Raxd6 Bf8 30. Rd7 Re8 31. Re2 Bxb4 32. Re4 Be7 33. Kf2 Kg7 34. c4 bxc4 35. Rxc4 f5 36. Rcc7 Kf6 37. Rc6 Ra5 38. b4 Rb5 39. Rc4 Kxe6 40. Rdc7 Rxb4 41. Rxb4 Bxb4 42. Rxh7 Kf6 43. h4 Re7 44. Rh8 Kg7 45. Rb8 Be1+ 46. Kf1 0-1

[Event "ATL-ch"]
[Site "Barranquilla"]
[Date "2000.06.16"]
[Round "7"]
[White "Sierra, Jorge"]
[Black "Pena Hernandez, Alfredo A"]
[Result "1-0"]
[ECO "B33"]
[PlyCount "63"]
[EventDate "2000.06.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Nc6 7. Be3 Bb4 8. f3 d5 9. exd5 Nxd5 10. Bd2 Nxc3 11. bxc3 Be7 12. Bd3 Be6 13. 0-0 0-0 14. Qe2 Qc7 15. f4 exf4 16. Qe4 g6 17. Bxf4 Qc8 18. Bh6 Rd8 19. Rae1 Qd7 20. Qf4 Bd6 21. Qe3 Rac8 22. Nd4 Nxd4 23. cxd4 Qc7 24. Bf4 Bxf4 25. Rxf4 Qb8 26. Re4 Rd7 27. Rxe6 Qc7 28. Qe5 Qxe5 29. R6xe5 f6 30. R5e2 Rcd8 31. Bc4+ Kg7 32. d5 1-0

[Event "ATL-ch"]
[Site "Barranquilla"]
[Date "2000.06.14"]
[Round "6"]
[White "Rojas Castillo, Andrea Lizeth"]
[Black "Sierra, Jorge"]
[Result "1-0"]
[ECO "A40"]
[PlyCount "51"]
[EventDate "2000.06.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 c6 2. e4 g6 3. d4 Bg7 4. Nc3 e6 5. Nf3 d5 6. c5 b6 7. Be2 Ba6 8. exd5 exd5 9. 0-0 bxc5 10. Bxa6 Nxa6 11. Qe2+ Ne7 12. Qxa6 cxd4 13. Na4 Qd6 14. Rd1 0-0 15. Nxd4 Rfe8 16. Be3 Qc7 17. Rac1 Qe5 18. Nxc6 Qh5 19. Nxe7+ Rxe7 20. Rc8+ Bf8 21. Rdc1 Rxc8 22. Qxc8 d4 23. Bxd4 Qg5 24. Be3 Qa5 25. b3 Re5 26. h3 1-0

[Event "ATL-ch"]
[Site "Barranquilla"]
[Date "2000.06.13"]
[Round "5"]
[White "Sierra, Jorge"]
[Black "Martinez Lux, Claudia"]
[Result "1-0"]
[ECO "C11"]
[PlyCount "61"]
[EventDate "2000.06.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 a6 6. Bd3 c5 7. Nf3 Nc6 8. dxc5 Bxc5 9. Qe2 h6 10. a3 b5 11. Nd1 b4 12. Be3 bxa3 13. bxa3 Qa5+ 14. Qd2 Bxe3 15. Nxe3 Nc5 16. Qxa5 Nxd3+ 17. cxd3 Nxa5 18. Nd4 Bd7 19. Kd2 Ke7 20. Nec2 f6 21. Nb4 Rhf8 22. Ke3 fxe5 23. fxe5 Bb5 24. Rhc1 Ra7 25. Rc5 Kd7 26. a4 Nb7 27. Rc3 a5 28. Nxb5 axb4 29. Rc7+ Kd8 30. Rac1 Nd6 31. exd6 1-0

[Event "ATL-ch"]
[Site "Barranquilla"]
[Date "2000.06.12"]
[Round "4"]
[White "Sierra, Jorge"]
[Black "Torres, Albert"]
[Result "1-0"]
[ECO "B86"]
[PlyCount "45"]
[EventDate "2000.06.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. 0-0 Be7 8. Bb3 0-0 9. Kh1 e5 10. Nde2 Be6 11. f4 g6 12. f5 gxf5 13. exf5 Bxb3 14. axb3 Kh8 15. Rf3 Rg8 16. Nd5 Nxd5 17. Qxd5 f6 18. Ra4 Nc6 19. Rh4 Qf8 20. Rxh7+ Kxh7 21. Rh3+ Kg7 22. Bh6+ Kh7 23. Bxf8# 1-0

[Event "ATL-ch"]
[Site "Barranquilla"]
[Date "2000.06.11"]
[Round "3"]
[White "Manjarres, Mauricio"]
[Black "Sierra, Jorge"]
[Result "1-0"]
[ECO "B18"]
[PlyCount "97"]
[EventDate "2000.06.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. f4 Nf6 8. h5 Bh7 9. Nf3 Nbd7 10. Bd3 Bxd3 11. Qxd3 Qc7 12. Bd2 e6 13. Ne5 Nb6 14. 0-0-0 Nbd5 15. Rhe1 Nd7 16. Rf1 Nxe5 17. fxe5 0-0-0 18. Ne4 Nb4 19. Bxb4 Bxb4 20. c3 Bf8 21. Rf3 c5 22. Kb1 c4 23. Qe2 a5 24. Rdf1 Rd7 25. Nd6+ Bxd6 26. exd6 Qxd6 27. Rxf7 Rxf7 28. Rxf7 Qd5 29. Rxg7 Rf8 30. Rg6 Kd7 31. Qe5 Qxe5 32. dxe5 Rf5 33. g4 Rxe5 34. Rxh6 Rd5 35. Rg6 e5 36. h6 e4 37. h7 Rd1+ 38. Kc2 Rh1 39. Rg7+ Ke6 40. Kd2 b5 41. Ke3 Kf6 42. Rb7 Kg6 43. Kxe4 Kg5 44. Rxb5+ Kxg4 45. Rxa5 Rxh7 46. Rb5 Ra7 47. a3 Rc7 48. Rb4 Kg5 49. Kd5 1-0

[Event "ATL-ch"]
[Site "Barranquilla"]
[Date "2000.06.10"]
[Round "2"]
[White "Sierra, Jorge"]
[Black "Rangel V, Jose Luis"]
[Result "1-0"]
[ECO "B83"]
[PlyCount "100"]
[EventDate "2000.06.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d6 5. Be2 Nf6 6. Nc3 e6 7. 0-0 g6 8. Kh1 Bg7 9. Ndb5 d5 10. exd5 exd5 11. Nxd5 Nxd5 12. Qxd5 0-0 13. Qxd8 Rxd8 14. Bg5 Rd7 15. c3 a6 16. Na3 Rd5 17. Be3 Ne5 18. Rfd1 Be6 19. f4 Nc6 20. Bf3 Rxd1+ 21. Rxd1 Bxa2 22. Rd7 Rb8 23. Bb6 Be6 24. Rc7 Nd8 25. Nc2 Bf8 26. Bc5 Bg7 27. Re7 Nc6 28. Rc7 b6 29. Bd6 Na5 30. Ra7 Rd8 31. Be7 Re8 32. Bh4 Nc4 33. Rxa6 Nxb2 34. Nd4 Bc4 35. Rxb6 Nd3 36. Rc6 Be6 37. Nxe6 fxe6 38. g3 e5 39. Bd5+ Kh8 40. fxe5 Nxe5 41. Rc7 Nd3 42. c4 Bd4 43. Kg2 Re2+ 44. Kf3 Re3+ 45. Kg2 Re2+ 46. Kf3 Re3+ 47. Kg4 Nf2+ 48. Kf4 Nd3+ 49. Kg5 Re5+ 50. Kg4 Nf2+ 1-0

[Event "ATL-ch"]
[Site "Barranquilla"]
[Date "2000.06.09"]
[Round "1"]
[White "Caballero, William"]
[Black "Sierra, Jorge"]
[Result "1-0"]
[ECO "B13"]
[PlyCount "82"]
[EventDate "2000.06.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. Bd3 c5 4. c3 Nc6 5. f4 cxd4 6. exd4 g6 7. Nf3 Bg7 8. Nbd2 a6 9. Ne5 Nd7 10. Ndf3 f6 11. Nxc6 bxc6 12. Qe2 Nb6 13. f5 g5 14. 0-0 Qd6 15. a4 a5 16. b3 0-0 17. Ba3 Qc7 18. Qxe7 Qxe7 19. Bxe7 Re8 20. Rfe1 Kf7 21. Bc5 Rxe1+ 22. Rxe1 Nd7 23. Bd6 Bf8 24. Bxf8 Nxf8 25. g4 Rb8 26. Bc2 Ba6 27. Kf2 Re8 28. Rxe8 Kxe8 29. Ke3 Ke7 30. Bd3 Bxd3 31. Kxd3 Nd7 32. b4 axb4 33. cxb4 Nb8 34. Kc3 Kd6 35. b5 cxb5 36. axb5 Nd7 37. Kb4 Kc7 38. Ka5 Kb7 39. Ne1 Nb6 40. Nd3 Nc4+ 41. Kb4 Kb6 1-0

