[Event "World Amateur-ch"]
[Site "Bento Goncalves"]
[Date "2001.12.13"]
[Round "9.19"]
[White "Butenco, Halex Campos"]
[Black "Matiello, Humberto Oliveira"]
[Result "1-0"]
[ECO "C01"]
[PlyCount "97"]
[EventDate "2001.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 Nf6 5. Nc3 h6 6. Bd3 Be6 7. c5 Nc6 8. Nge2 a6 9. 0-0 g5 10. Bc2 Bg7 11. a3 Qd7 12. b4 0-0 13. f4 gxf4 14. Nxf4 Rfe8 15. Bb2 Ne7 16. Nxe6 Qxe6 17. Qf3 Qg4 18. Qf2 Rf8 19. h3 Qd7 20. Rae1 Rae8 21. Re3 Nh5 22. Rf3 Ng6 23. Bf5 Qd8 24. Ne2 Qe7 25. Bg4 Nf6 26. Rxf6 Bxf6 27. Qxf6 Qxf6 28. Rxf6 Kg7 29. Rf2 Ne7 30. Nf4 c6 31. Nh5+ Kg6 32. Nf6 Rd8 33. Nd7 Rg8 34. Ne5+ Kh7 35. Nxf7 Rdf8 36. Bc1 Rg7 37. Nxh6 Rxf2 38. Kxf2 Rg6 39. Bf5 Nxf5 40. Nxf5 Rf6 41. g4 Rf7 42. Bf4 Kg6 43. Kg3 Kf6 44. Nd6 Re7 45. Be5+ Kg5 46. h4+ Kg6 47. Kf4 Rh7 48. h5+ Kh6 49. Nf5# 1-0

[Event "World Amateur-ch"]
[Site "Bento Goncalves"]
[Date "2001.12.12"]
[Round "8.12"]
[White "Matiello, Humberto Oliveira"]
[Black "Born, Carlos Rodrigo"]
[Result "0-1"]
[ECO "B90"]
[PlyCount "78"]
[EventDate "2001.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Nf6 6. Be2 Nc6 7. Be3 Qc7 8. a4 g6 9. f3 Bg7 10. Qd2 0-0 11. Nb3 Be6 12. Nd5 Bxd5 13. exd5 Ne5 14. Bd4 Nc4 15. Qd3 Rfc8 16. Rc1 b5 17. axb5 axb5 18. Nd2 Rab8 19. f4 Nxd5 20. Bxg7 Nxf4 21. Qc3 Nxe2 22. Kxe2 Nxd2 23. Kxd2 Qb7 24. Qf3 Qxf3 25. gxf3 Kxg7 26. Rhe1 e6 27. Ra1 d5 28. Kc1 Rc5 29. Re2 b4 30. b3 Rc3 31. Rf2 Kf6 32. h4 h5 33. Kb2 Ke5 34. f4+ Kf5 35. Rh1 Re3 36. Rg2 Rb7 37. Rf2 Re4 38. Rhf1 Rc7 39. Kc1 Re3 0-1

[Event "World Amateur-ch"]
[Site "Bento Goncalves"]
[Date "2001.12.11"]
[Round "7.14"]
[White "Correia Filho, Pedro"]
[Black "Matiello, Humberto Oliveira"]
[Result "1/2-1/2"]
[ECO "C09"]
[PlyCount "43"]
[EventDate "2001.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. dxc5 Bxc5 6. Nb3 Bb6 7. Nf3 Nc6 8. c3 h6 9. Be2 Nf6 10. 0-0 0-0 11. Qd3 Bg4 12. Be3 Bc7 13. Nbd4 a6 14. Rfe1 Nxd4 15. Bxd4 Re8 16. Bf1 Ne4 17. g3 Qd7 18. Bg2 Bh3 19. Bh1 Qg4 20. Nd2 Nxd2 21. Qxd2 Rxe1+ 22. Rxe1 1/2-1/2

[Event "World Amateur-ch"]
[Site "Bento Goncalves"]
[Date "2001.12.11"]
[Round "6.11"]
[White "Matiello, Humberto Oliveira"]
[Black "Aragao, Jose Luiz"]
[Result "1/2-1/2"]
[ECO "B84"]
[PlyCount "42"]
[EventDate "2001.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. Be3 Be7 8. a4 b6 9. f4 Bb7 10. Bf3 Qc7 11. Qd2 Nbd7 12. 0-0-0 Nc5 13. e5 dxe5 14. fxe5 Nfe4 15. Nxe4 Nxe4 16. Qd3 Nc5 17. Qc3 Rc8 18. Bxb7 Qxb7 19. Qc4 Nd7 20. Qe2 Nxe5 21. Rhf1 0-0 1/2-1/2

[Event "World Amateur-ch"]
[Site "Bento Goncalves"]
[Date "2001.12.10"]
[Round "5.14"]
[White "Benevenga, Sergio Ramos"]
[Black "Matiello, Humberto Oliveira"]
[Result "1/2-1/2"]
[ECO "D01"]
[PlyCount "59"]
[EventDate "2001.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 e6 3. Bg5 h6 4. Bh4 d5 5. e3 Be7 6. Bd3 Nc6 7. a3 0-0 8. Nf3 Bd7 9. 0-0 Na5 10. Ne5 Be8 11. f4 c5 12. Bxf6 Bxf6 13. dxc5 Qc7 14. Qh5 Qxc5 15. Rf3 Bxe5 16. Qxe5 Nc6 17. Qh5 f5 18. Qh4 a6 19. Re1 Bf7 20. Rg3 Kh7 21. Kh1 Rae8 22. Rh3 d4 23. Nd1 Bg6 24. exd4 Qxd4 25. Qg3 e5 26. fxe5 Nxe5 27. Rf1 Nxd3 28. Qxd3 Qxd3 29. Rxd3 Re2 30. c3 1/2-1/2

[Event "World Amateur-ch"]
[Site "Bento Goncalves"]
[Date "2001.12.09"]
[Round "3"]
[White "Capella, Marcelo"]
[Black "Matiello, Humberto Oliveira"]
[Result "1/2-1/2"]
[ECO "C08"]
[PlyCount "72"]
[EventDate "2001.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Nb3 cxd4 6. Nxd4 Nc6 7. Be3 a6 8. c3 Nf6 9. Bd3 Ng4 10. Nxc6 bxc6 11. Bf4 Bc5 12. Nh3 0-0 13. 0-0 h6 14. Kh1 d4 15. b4 Bb6 16. c4 c5 17. a3 g5 18. Qf3 Qd7 19. Bd2 Ne5 20. Qf6 Nxd3 21. Qxb6 Kg7 22. bxc5 Bb7 23. f3 Rab8 24. Qd6 Qxd6 25. cxd6 Ne5 26. Rac1 Rbc8 27. c5 Nd3 28. Rc4 Nxc5 29. Rfc1 Nd7 30. Rc7 Rxc7 31. Rxc7 Bc8 32. Nf2 f5 33. Kg1 Kf6 34. Nd3 Ke6 35. Bb4 Re8 36. Kf2 Kd5 1/2-1/2

[Event "World Amateur-ch"]
[Site "Bento Goncalves"]
[Date "2001.12.09"]
[Round "4"]
[White "Matiello, Humberto Oliveira"]
[Black "Zanetti, Joao Carlos Pereira"]
[Result "0-1"]
[ECO "B21"]
[PlyCount "63"]
[EventDate "2001.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. d3 Nc6 3. f4 e5 4. Ne2 Nf6 5. g3 d5 6. Bg2 dxe4 7. dxe4 Qxd1+ 8. Kxd1 Be6 9. c3 0-0-0+ 10. Bd2 Be7 11. h3 Bc4 12. Na3 Bd3 13. Ke1 Nxe4 14. Bxe4 Bxe4 15. Rf1 Bg2 16. Rf2 Bxh3 17. fxe5 Nxe5 18. Ng1 Nd3+ 19. Ke2 Nxf2 20. Bf4 Nd3 21. Nxh3 Nxf4+ 22. Nxf4 Bg5 23. Kf3 Bxf4 24. gxf4 Rhe8 25. Nc4 Rd3+ 26. Kg4 f6 27. a4 g6 28. Rf1 h5+ 29. Kh4 Re4 30. Rf3 Rxf3 31. Nd6+ Kc7 32. Nxe4 0-1

[Event "World Amateur-ch"]
[Site "Bento Goncalves"]
[Date "2001.12.08"]
[Round "2"]
[White "Matiello, Humberto Oliveira"]
[Black "Galvao Barata, Hemar Antonio"]
[Result "1/2-1/2"]
[ECO "B23"]
[PlyCount "49"]
[EventDate "2001.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. d3 e5 4. f4 Nf6 5. Nf3 d6 6. g3 Be7 7. Bg2 Nd4 8. fxe5 Nxf3+ 9. Bxf3 dxe5 10. 0-0 h6 11. Nd5 Nxd5 12. exd5 0-0 13. c4 f5 14. Qe2 Bd6 15. Bd2 Bd7 16. Bh5 Kh7 17. Qe3 Be8 18. Bxe8 Qxe8 19. Rae1 Qg6 20. Bc3 Rae8 21. a3 b6 22. b4 e4 23. Kh1 exd3 24. Qxd3 Re4 25. Bd2 1/2-1/2

[Event "World Amateur-ch"]
[Site "Bento Goncalves"]
[Date "2001.12.07"]
[Round "1"]
[White "Baptista, Valderez"]
[Black "Matiello, Humberto Oliveira"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "74"]
[EventDate "2001.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. Nf3 Nc6 5. Bb5 a6 6. Bxc6+ bxc6 7. 0-0 cxd4 8. Nxd4 c5 9. Nf3 h6 10. Qe2 Ne7 11. Rd1 Qc7 12. Bf4 g5 13. Bg3 Bg7 14. Nbd2 Nf5 15. Nf1 Bb7 16. c3 0-0-0 17. Rd2 Rdg8 18. Rad1 Rh7 19. b4 c4 20. Re1 Bh8 21. Nd4 Rg6 22. Nxf5 exf5 23. e6 Qe7 24. exf7 Qxf7 25. Qe8+ Qxe8 26. Rxe8+ Kd7 27. Rb8 Kc6 28. f4 Bxc3 29. Re2 gxf4 30. Bxf4 Bxb4 31. Ne3 Bc5 32. Kf1 Bxe3 33. Rxe3 d4 34. Re1 h5 35. h4 c3 36. Rd1 Kc5 37. g3 Rg4 0-1

