[Event "Alajuela op 2nd"]
[Site "Alajuela"]
[Date "2006.07.12"]
[Round "1"]
[White "Centeno, Oscar"]
[Black "Mitkov, Nikola"]
[Result "0-1"]
[ECO "C45"]
[BlackElo "2563"]
[PlyCount "42"]
[EventDate "2006.07.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bc4 Ne5 8. Be2 Qg6 9. 0-0 d6 10. Kh1 0-0 11. Nb5 c6 12. Bxc5 dxc5 13. Nd6 Rd8 14. Nxc8 Raxc8 15. Qc2 Nd5 16. g3 h5 17. Nd2 Nf6 18. Rae1 h4 19. Nf3 Nxe4 20. Qc1 Nxf3 21. Bxf3 Nd2 0-1

[Event "Puerto Tirol Provincial-ch"]
[Site "Puerto Tirol"]
[Date "2004.11.28"]
[Round "7"]
[White "Centeno, Oscar"]
[Black "Cristaldo, Adolfo"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1884"]
[BlackElo "1835"]
[PlyCount "96"]
[EventDate "2004.11.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 103 Extra"]
[Source "ChessBase"]
[SourceDate "2005.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.01.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nf3 Bg7 4. Nc3 e6 5. a3 c6 6. Be2 Nd7 7. 0-0 Qc7 8. Re1 Ne7 9. Bg5 f6 10. Be3 0-0 11. Bc4 Nb6 12. Bb3 Bd7 13. Qd2 Rad8 14. Bh6 Kh8 15. Bxg7+ Kxg7 16. Qe2 h6 17. Rad1 d5 18. e5 f5 19. Qd2 Be8 20. Ne2 Ng8 21. c3 Qe7 22. Bc2 Nd7 23. h3 b6 24. b4 Bf7 25. Nh2 Rfe8 26. g4 Nf8 27. Nf4 g5 28. Nh5+ Bxh5 29. gxh5 Nh7 30. Kh1 Qf7 31. Qe2 Ne7 32. Rg1 Kh8 33. Rg2 Rg8 34. Rdg1 Rg7 35. Nf1 f4 36. Qg4 Nf5 37. Bxf5 exf5 38. Qf3 Rdg8 39. Nh2 Qe6 40. h4 c5 41. hxg5 hxg5 42. Qh3 g4 43. Qh4 Qh6 44. f3 g3 45. Nf1 Rg5 46. Nxg3 fxg3 47. Rxg3 f4 48. e6 fxg3 0-1

[Event "Puerto Tirol Provincial-ch"]
[Site "Puerto Tirol"]
[Date "2004.11.27"]
[Round "5"]
[White "Centeno, Oscar"]
[Black "Gil, Fabricio"]
[Result "1/2-1/2"]
[ECO "B54"]
[WhiteElo "1884"]
[BlackElo "1844"]
[PlyCount "67"]
[EventDate "2004.11.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 103 Extra"]
[Source "ChessBase"]
[SourceDate "2005.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.01.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 d6 5. Bb5+ Bd7 6. Bxd7+ Qxd7 7. Nc3 Nf6 8. 0-0 Be7 9. h3 0-0 10. Qe2 Nc6 11. Be3 Qc7 12. Rad1 a6 13. f4 Rad8 14. Nf3 b5 15. Qf2 Rb8 16. a3 Rfd8 17. e5 dxe5 18. fxe5 Nd7 19. Qg3 Ndxe5 20. Nxe5 Rxd1 21. Rxd1 Nxe5 22. Bf4 f6 23. Re1 Bd6 24. Kh1 Kf8 25. Ne4 g5 26. Nxd6 gxf4 27. Qxf4 Qxd6 28. Qxf6+ Nf7 29. Rxe6 Qd1+ 30. Kh2 Rd8 31. Qe7+ Kg7 32. Qh4 Rd6 33. Qf6+ Kf8 34. Qe7+ 1/2-1/2

[Event "Puerto Tirol Provincial-ch"]
[Site "Puerto Tirol"]
[Date "2004.11.27"]
[Round "6"]
[White "Saavedra, Ramiro"]
[Black "Centeno, Oscar"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1870"]
[BlackElo "1884"]
[PlyCount "61"]
[EventDate "2004.11.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 103 Extra"]
[Source "ChessBase"]
[SourceDate "2005.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.01.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. 0-0 Nf6 5. d3 Na5 6. Nxe5 Nxc4 7. Nxc4 d6 8. h3 0-0 9. Bf4 d5 10. Ncd2 Re8 11. e5 Nd7 12. d4 Nf8 13. Bh2 Ne6 14. c3 b6 15. f4 f5 16. Kh1 c5 17. Nf3 cxd4 18. cxd4 h6 19. Nc3 a5 20. Ne1 Kh7 21. g4 Rf8 22. gxf5 Rxf5 23. Ng2 Qf8 24. Nxd5 Bb7 25. Nde3 Rf7 26. f5 Bxg2+ 27. Kxg2 Kg8 28. fxe6 Rxf1 29. Qxf1 Kh8 30. Qxf8+ Rxf8 31. Rf1 1-0

[Event "Puerto Tirol Provincial-ch"]
[Site "Puerto Tirol"]
[Date "2004.11.21"]
[Round "3"]
[White "Centeno, Oscar"]
[Black "Rojas, Marcelo"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1884"]
[PlyCount "81"]
[EventDate "2004.11.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 103 Extra"]
[Source "ChessBase"]
[SourceDate "2005.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.01.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 Qb6 7. Nb3 Bb4 8. Be3 Bxc3+ 9. bxc3 Qc7 10. f3 h6 11. 0-0 0-0 12. Nd4 Ne5 13. Nb5 Qc6 14. Qd6 Ng6 15. Qxc6 bxc6 16. Nd6 a5 17. Nxc8 Rfxc8 18. Rab1 d5 19. Bd3 e5 20. Rb7 Rd8 21. Rfb1 d4 22. cxd4 exd4 23. Bd2 Ne5 24. Bf1 d3 25. cxd3 Nxd3 26. Rc7 c5 27. Rbb7 Ne5 28. Bf4 Ned7 29. Bc4 Rab8 30. g4 Rxb7 31. Rxb7 g5 32. Bc7 Rc8 33. e5 Ne8 34. e6 fxe6 35. Bxe6+ Kf8 36. Bxa5 Nef6 37. Bxd7 Nxd7 38. Rxd7 Rc6 39. Kf2 c4 40. Bb4+ Ke8 41. Rd5 1-0

[Event "Puerto Tirol Provincial-ch"]
[Site "Puerto Tirol"]
[Date "2004.11.21"]
[Round "4"]
[White "Gutierrez, Joaquin"]
[Black "Centeno, Oscar"]
[Result "1-0"]
[ECO "C66"]
[BlackElo "1884"]
[PlyCount "97"]
[EventDate "2004.11.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 103 Extra"]
[Source "ChessBase"]
[SourceDate "2005.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.01.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 Bd7 7. Bb5 Be7 8. 0-0 h6 9. Bh4 a6 10. Ba4 0-0 11. h3 b5 12. Bb3 Nxd4 13. Qxd4 c5 14. Qd3 c4 15. Bxc4 bxc4 16. Qxc4 Be6 17. Qd3 Qc7 18. Rab1 Bc4 19. Qe3 Bxf1 20. Rxf1 Rfe8 21. Qf3 Rad8 22. Bxf6 Bxf6 23. Nd5 Qxc2 24. Nxf6+ gxf6 25. Qxf6 Qxe4 26. Qxh6 Re6 27. Qg5+ Rg6 28. Qxd8+ Kh7 29. g3 Qd4 30. Kh2 Qxb2 31. Qh4+ Kg7 32. a4 Qe2 33. Qd4+ Kh7 34. Qd1 Qc4 35. Re1 Qc5 36. Kg2 Rf6 37. Qd3+ Kg7 38. Qe3 Qc6+ 39. Qe4 Qb6 40. Qe3 Qc6+ 41. Qe4 Qc3 42. Qg4+ Rg6 43. Qe2 Qb4 44. Qe4 Qd2 45. Qe3 Qb2 46. Qc1 Qb7+ 47. Kh2 Qb6 48. Qa1+ Rf6 49. Rf1 1-0

[Event "Puerto Tirol Provincial-ch"]
[Site "Puerto Tirol"]
[Date "2004.11.20"]
[Round "2"]
[White "Antunez, Pablo"]
[Black "Centeno, Oscar"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1787"]
[BlackElo "1884"]
[PlyCount "67"]
[EventDate "2004.11.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 103 Extra"]
[Source "ChessBase"]
[SourceDate "2005.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.01.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bf4 c6 6. f3 Nbd7 7. e3 Nh5 8. Nge2 Nxf4 9. Nxf4 Nf6 10. Bd3 Bd6 11. Nfe2 0-0 12. 0-0 Re8 13. e4 dxe4 14. fxe4 Bc7 15. Bc2 Ng4 16. g3 Ne3 17. Qd3 Nxf1 18. Rxf1 Bh3 19. Rf2 a6 20. e5 g6 21. Ne4 Rxe5 22. dxe5 Qxd3 23. Bxd3 Bb6 24. Nf4 Rd8 25. Nd6 Bc8 26. Bc4 Rf8 27. Kg2 Bxf2 28. Kxf2 Kg7 29. Ke3 b5 30. Bb3 c5 31. Bd5 f6 32. e6 f5 33. e7 Rh8 34. e8Q 1-0

[Event "Puerto Tirol Provincial-ch"]
[Site "Puerto Tirol"]
[Date "2004.11.20"]
[Round "1"]
[White "Centeno, Oscar"]
[Black "Gonzalez, Alejandro"]
[Result "0-1"]
[ECO "C19"]
[WhiteElo "1884"]
[PlyCount "104"]
[EventDate "2004.11.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 103 Extra"]
[Source "ChessBase"]
[SourceDate "2005.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.01.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Nf3 Qa5 8. Bd2 c4 9. Be2 Nbc6 10. 0-0 Bd7 11. Qc1 0-0 12. Nh4 Ng6 13. Nxg6 fxg6 14. h4 b5 15. h5 gxh5 16. Bxh5 g6 17. Bg4 Rf7 18. Qe1 Qd8 19. f3 Qe7 20. Qg3 Rb8 21. Bh5 Rg7 22. Bh6 gxh5 23. Bxg7 Qxg7 24. Qh4 Qg6 25. Rf2 Kh8 26. g4 Rg8 27. Rg2 Qg5 28. Qh3 Ne7 29. Rh2 Be8 30. Kh1 Qe3 31. Rg1 Qxc3 32. Rhg2 Qxd4 33. Qh4 Rg7 34. Qf6 Ng8 35. Qf8 Bf7 36. gxh5 Qh4+ 37. Rh2 Rxg1+ 38. Kxg1 Qe1+ 39. Kg2 Qe2+ 40. Kg3 Qxe5+ 41. Kg2 Qg7+ 42. Qxg7+ Kxg7 43. c3 Nf6 44. h6+ Kg6 45. Kg3 e5 46. Re2 Kf5 47. Kf2 Ng8 48. Kg3 Ne7 49. Re1 Nc8 50. Kf2 Nb6 51. Rg1 Bg6 52. Re1 Na4 0-1

