[Event "POR-ch U16"]
[Site "Armacao de Pera"]
[Date "2001.04.08"]
[Round "2.5"]
[White "Rebelo, Fabio Emanuel Xavi"]
[Black "Costa, Diogo A"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "1699"]
[BlackElo "1413"]
[PlyCount "91"]
[EventDate "2001.04.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "POR"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 c6 2. c4 d5 3. e3 Bf5 4. Nc3 Nf6 5. Qb3 Qb6 6. Qxb6 axb6 7. cxd5 cxd5 8. Nf3 e6 9. Bb5+ Nbd7 10. Ne5 Rd8 11. Nxd7 Nxd7 12. Na4 Bb4+ 13. Bd2 Bxd2+ 14. Kxd2 0-0 15. Bxd7 Rxd7 16. Nxb6 Rd6 17. Na4 Rc6 18. Rhc1 Rd6 19. Rc7 Rb8 20. Rac1 e5 21. dxe5 Rh6 22. h3 Kf8 23. Nc5 b6 24. Nd7+ Bxd7 25. Rxd7 Rg6 26. g3 d4 27. exd4 Rh6 28. h4 Re6 29. Rcc7 f6 30. f4 Ra8 31. a3 fxe5 32. dxe5 Rg6 33. Rc3 Re8 34. Rd4 Rge6 35. g4 g6 36. Ke3 Kf7 37. Rc7+ R6e7 38. Rxe7+ Kxe7 39. Ke4 Rc8 40. f5 gxf5+ 41. gxf5 Rc2 42. Rb4 Re2+ 43. Kf4 Rf2+ 44. Kg5 Kf7 45. Rxb6 Rg2+ 46. Kh5 1-0

[Event "POR-ch U16"]
[Site "Armacao de Pera"]
[Date "2001.04.07"]
[Round "1.9"]
[White "Leite, Filipe Gabriel Alme"]
[Black "Costa, Diogo A"]
[Result "0-1"]
[ECO "C30"]
[WhiteElo "1658"]
[BlackElo "1413"]
[PlyCount "26"]
[EventDate "2001.04.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "POR"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. f4 d6 3. Nf3 Nc6 4. Bc4 Be6 5. Bb3 Bxb3 6. axb3 Nd4 7. 0-0 Nf6 8. Nxd4 exd4 9. Qf3 c6 10. e5 Nd5 11. exd6 Bxd6 12. Qe4+ Qe7 13. Qxd4 Bc5 0-1

[Event "Aveiro Univ op"]
[Site "Aveiro"]
[Date "1998.??.??"]
[Round "6"]
[White "Costa, Diogo A"]
[Black "Colin, Luciano"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "92"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "POR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. exd5 Qxd5 4. Be2 Bc5 5. Nc3 Qf5 6. d4 Bb6 7. Be3 Na6 8. a3 c5 9. 0-0 Bc7 10. dxc5 Bd7 11. Qd3 Qh5 12. Rfd1 0-0-0 13. g3 Nh6 14. Ng5 Qg6 15. Qxg6 hxg6 16. Nb5 Bb8 17. h3 f6 18. Ne4 Nf5 19. Ned6+ Nxd6 20. cxd6 e5 21. h4 g5 22. hxg5 Bh3 23. gxf6 gxf6 24. Nxa7+ Kd7 25. Bxa6 bxa6 26. Bc5 Rh5 27. Rd3 e4 28. Rc3 Re8 29. Re1 Ree5 30. b4 Rhg5 31. Nc8 Rd5 32. Nb6+ Ke6 33. Nxd5 Rxd5 34. Rce3 f5 35. f3 f4 36. Rxe4+ Kf6 37. Rxf4+ Kg6 38. g4 Rd2 39. Re6+ Kg5 40. Rf5+ Kh4 41. Bf2+ Rxf2 42. Kxf2 Ba7+ 43. Ke2 Kg3 44. Re3 Kg2 45. d7 Kg1 46. d8Q Bf1+ 1-0

[Event "Aveiro Univ op"]
[Site "Aveiro"]
[Date "1998.??.??"]
[Round "3"]
[White "Costa, Diogo A"]
[Black "Silva, Albino"]
[Result "0-1"]
[ECO "B01"]
[BlackElo "1730"]
[PlyCount "102"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "POR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Nf3 Nf6 5. Bc4 Bg4 6. d3 Nbd7 7. Bd2 c6 8. Ne4 Qc7 9. Bg5 Nxe4 10. dxe4 Ne5 11. Be2 Rd8 12. Qc1 Nxf3+ 13. Bxf3 Bxf3 14. gxf3 Qa5+ 15. Bd2 Qh5 16. Qd1 e6 17. c3 Bc5 18. f4 Qh4 19. Qe2 Qxf2+ 20. Qxf2 Bxf2+ 21. Ke2 0-0 22. Raf1 Bb6 23. f5 exf5 24. Rxf5 Rfe8 25. Rf4 Bc7 26. Rh4 Re6 27. Rf1 Rde8 28. Kd3 Rg6 29. h3 Rd8+ 30. Kc2 Rg2 31. Rd1 g6 32. Kc1 Rd3 33. a3 Rh2 34. c4 Be5 35. Bc3 Rxd1+ 36. Kxd1 Bxc3 37. bxc3 Ra2 38. e5 Rxa3 39. Kd2 a5 40. c5 Ra2+ 41. Kd3 a4 42. Rb4 a3 43. Rxb7 Ra1 44. Kc2 a2 45. Ra7 Re1 46. Rxa2 Re2+ 47. Kb3 Rxa2 48. Kxa2 Kf8 49. Kb3 Ke7 50. Kc4 Ke6 51. Kd4 Kf5 0-1

[Event "Aveiro Univ op"]
[Site "Aveiro"]
[Date "1998.??.??"]
[Round "2"]
[White "Loureiro, Carlos Miguel Jesus"]
[Black "Costa, Diogo A"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "1820"]
[PlyCount "67"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "POR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. Nf3 Nf6 5. Bg5 Nc6 6. e3 a6 7. Bd3 dxc4 8. Bxc4 0-0 9. 0-0 Bxc3 10. bxc3 Na5 11. Bd3 b5 12. a4 Nc4 13. axb5 Qd5 14. Bxf6 gxf6 15. e4 Qxb5 16. Qe2 Rd8 17. Bxc4 Qh5 18. Rab1 e5 19. d5 a5 20. h3 Rd6 21. Nh2 Qxe2 22. Bxe2 c6 23. Rb6 Bd7 24. c4 f5 25. exf5 Bxf5 26. Nf3 a4 27. Nxe5 a3 28. Rxc6 Rxc6 29. Nxc6 Bc2 30. Ra1 Re8 31. Kf1 Bb3 32. Rxa3 Bc2 33. d6 Bf5 34. Ne7+ 1-0

[Event "Aveiro Univ op"]
[Site "Aveiro"]
[Date "1998.??.??"]
[Round "1"]
[White "Manuel, Carlos"]
[Black "Costa, Diogo A"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "82"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "POR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Qe2 Bd4 5. c3 Bc5 6. 0-0 d6 7. d3 h6 8. Nbd2 Bg4 9. h3 Bh5 10. Nb3 Nge7 11. Qd2 Bxf3 12. gxf3 a6 13. f4 Qd7 14. Kh2 Ng6 15. Qe2 Nxf4 16. Qf3 Ne6 17. Be3 g5 18. Rad1 h5 19. Rg1 g4 20. hxg4 hxg4+ 21. Kg3 gxf3 22. Kxf3 Bxe3 23. Kxe3 b5 24. Bd5 Rh3+ 25. Rg3 Rxg3+ 26. fxg3 Rb8 27. d4 exd4+ 28. Nxd4 Nexd4 29. cxd4 Nb4 30. Bb3 Qg4 31. Rg1 Qg5+ 32. Kf3 Nd3 33. Ke2 Nxb2 34. Rf1 Qg6 35. g4 Qxe4+ 36. Kf2 Qxg4 37. Re1+ Kd7 38. Bxf7 Nd3+ 39. Kf1 Qf3+ 40. Kg1 Nxe1 41. Kh2 Qg2# 0-1

[Event "Aveiro Univ op"]
[Site "Aveiro"]
[Date "1998.??.??"]
[Round "4"]
[White "Marques, Duarte"]
[Black "Costa, Diogo A"]
[Result "0-1"]
[ECO "B00"]
[PlyCount "122"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "POR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d6 3. e4 Nc6 4. Bb5 Bd7 5. Nf3 a6 6. Ba4 e5 7. d5 Na5 8. Bxd7+ Qxd7 9. Ng5 Be7 10. Bd2 Nc4 11. Bc1 h6 12. Nf3 Qg4 13. 0-0 Nxe4 14. h3 Qf5 15. Qd3 Nb6 16. Qxe4 Qxe4 17. Nxe4 Nxd5 18. c3 0-0 19. Rd1 Nb6 20. b3 d5 21. Ng3 e4 22. Ne5 Bf6 23. Ng4 Bxc3 24. Rb1 Rad8 25. Bf4 c6 26. Bc7 Rc8 27. Bxb6 Rfe8 28. Be3 h5 29. Nh2 h4 30. Nf5 Bb4 31. Bf4 Re6 32. Nxh4 Bc5 33. Be3 Bxe3 34. fxe3 g6 35. Ng4 Kg7 36. Rf1 a5 37. a3 Rd8 38. b4 b6 39. bxa5 bxa5 40. Rb7 Rf8 41. Rc7 Rd6 42. Rf6 Rxf6 43. Nxf6 Kxf6 44. Rxc6+ Kg5 45. g3 Rd8 46. Ra6 Kh6 47. Rxa5 f6 48. Ng2 d4 49. exd4 Rxd4 50. Kf2 f5 51. Ra6 Rd2+ 52. Kf1 Rd3 53. Nf4 Rxg3 54. h4 Rf3+ 55. Ke2 Rxf4 56. h5 Kg7 57. a4 Rg4 58. Re6 Rg2+ 59. Ke3 Ra2 60. Ra6 Ra3+ 61. Kf4 Ra2 0-1

