[Event "BRA-ch U18"]
[Site "Porto Belo"]
[Date "1998.??.??"]
[Round "6"]
[White "Cop, Marcelo"]
[Black "Spenthof, Roberto"]
[Result "1-0"]
[ECO "C89"]
[PlyCount "70"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4 Bd6 13. Re1 Qh4 14. g3 Qh3 15. Bxd5 cxd5 16. Qf3 Bg4 17. Qxd5 Rfe8 18. Be3 Rad8 19. Qg2 Qh5 20. Nd2 Re7 21. f3 Bh3 22. Qf2 Rde8 23. Ne4 Bb8 24. Nc5 Qg6 25. Bd2 h5 26. Rxe7 Rxe7 27. Re1 Rxe1+ 28. Qxe1 h4 29. Qe8+ Kh7 30. Qe4 Qxe4 31. Nxe4 f6 32. Kf2 Be6 33. b3 hxg3+ 34. hxg3 Bxg3+ 35. Kxg3 Bxb3 1-0

[Event "BRA-ch U18"]
[Site "Porto Belo"]
[Date "1998.??.??"]
[Round "5"]
[White "Costa, Mauro"]
[Black "Spenthof, Roberto"]
[Result "1-0"]
[ECO "C55"]
[PlyCount "83"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[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 Nf6 4. d3 d5 5. Bb5 dxe4 6. Nxe5 Qd5 7. Bxc6+ bxc6 8. Bf4 exd3 9. f3 dxc2 10. Qxc2 Nh5 11. g3 Nxf4 12. gxf4 Bb7 13. Nc3 Qc5 14. 0-0-0 Qe3+ 15. Qd2 Qxd2+ 16. Rxd2 Bc5 17. Re1 Be7 18. Rde2 0-0 19. Nd7 Bd6 20. Nxf8 Bxf4+ 21. Kc2 Kxf8 22. h3 g6 23. Re4 Bd6 24. Rd4 Bg3 25. Red1 c5 26. Rd8+ Rxd8 27. Rxd8+ Ke7 28. Rd3 Bc8 29. Kd1 Bxh3 30. Ne4 Bd6 31. Nxd6 cxd6 32. Ra3 h5 33. Rxa7+ Ke6 34. a4 h4 35. b4 cxb4 36. Rb7 Bg2 37. Rxb4 Bxf3+ 38. Ke1 g5 39. Kf2 g4 40. a5 Ke5 41. Rb3 f5 42. Rxf3 1-0

[Event "BRA-ch U18"]
[Site "Porto Belo"]
[Date "1998.??.??"]
[Round "3"]
[White "Da Silva, Jose Gomes"]
[Black "Spenthof, Roberto"]
[Result "1-0"]
[ECO "A15"]
[PlyCount "121"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. e3 c6 5. Nc3 d6 6. Nge2 Nbd7 7. 0-0 Ne5 8. d3 0-0 9. Qc2 Bg4 10. f4 Ned7 11. Bd2 Rc8 12. d4 Nb6 13. Qd3 d5 14. cxd5 Nbxd5 15. Nxd5 Nxd5 16. h3 Be6 17. Rac1 Nb6 18. b3 Qd7 19. g4 f5 20. g5 Rfd8 21. Rfd1 c5 22. Bc3 c4 23. Qb1 cxb3 24. axb3 Bd5 25. h4 Qe6 26. Bxd5 Nxd5 27. e4 Qxe4 28. Qxe4 fxe4 29. Bb2 Rxc1 30. Rxc1 Kf7 31. Kg2 Ne3+ 32. Kg3 Nf5+ 33. Kg4 Nxd4 34. Bxd4 Bxd4 35. Ng3 e3 36. Kf3 Bb6 37. Nf1 Rd3 38. b4 Rb3 39. Rc4 e2+ 40. Kxe2 Rh3 41. Nd2 Rxh4 42. Nf3 Rh3 43. Nd2 Rh4 44. Nf3 Rh1 45. Ne5+ Ke6 46. Rc8 Rh4 47. Nd3 Kd7 48. Rb8 Kc7 49. Re8 Kd6 50. Rb8 Kc6 51. Re8 Bc7 52. Kf3 Kd7 53. Ra8 a6 54. Rf8 b6 55. Ra8 a5 56. bxa5 bxa5 57. Ra7 Rh1 58. Ne5+ Kc8 59. Nc6 Rf1+ 60. Ke2 Rf2+ 61. Kxf2 1-0

[Event "BRA-ch U18"]
[Site "Porto Belo"]
[Date "1998.??.??"]
[Round "4"]
[White "Oliveira, Tiago Batista"]
[Black "Spenthof, Roberto"]
[Result "1-0"]
[ECO "C10"]
[PlyCount "91"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[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 Bd7 4. exd5 Ne7 5. dxe6 Bxe6 6. Nf3 Nbc6 7. Bb5 Bg4 8. d5 a6 9. dxc6 Qxd1+ 10. Nxd1 axb5 11. cxb7 Rb8 12. Nc3 Bxf3 13. gxf3 Rxb7 14. Be3 g6 15. Bd4 Rg8 16. 0-0-0 Bg7 17. Bxg7 Rxg7 18. Rhe1 f5 19. Re5 c6 20. Ne2 Rd7 21. Nd4 Kf7 22. Rc5 Rd6 23. Nb3 Rxd1+ 24. Kxd1 Ke6 25. c4 bxc4 26. Rxc4 Rg8 27. a4 Kd5 28. Rd4+ Ke5 29. f4+ Ke6 30. Nc5+ Kf6 31. Rd6+ Kf7 32. Nd3 Ra8 33. b3 Ke8 34. Ne5 Rd8 35. Rxd8+ Kxd8 36. Kd2 Kc7 37. Nd3 Nd5 38. b4 Kb6 39. Kc2 h6 40. Kb3 Ka6 41. Kc4 Nb6+ 42. Kc5 Nxa4+ 43. Kxc6 Nc3 44. Nc5+ Ka7 45. b5 Kb8 46. b6 1-0

