[Event "Sao Paulo Latin America Cup open"]
[Site "Sao Paulo"]
[Date "1991.09.??"]
[Round "5"]
[White "Dumont, Sadi Glasser"]
[Black "Orellana, Marcelo"]
[Result "1-0"]
[ECO "B24"]
[WhiteElo "2320"]
[PlyCount "105"]
[EventDate "1991.09.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 e6 4. Nf3 Nge7 5. g3 d5 6. d3 g6 7. Bg2 Bg7 8. 0-0 0-0 9. h3 a6 10. g4 b5 11. e5 Qb6 12. Kh1 Bb7 13. a3 Rfd8 14. Ne2 d4 15. Qe1 Nb8 16. Qh4 Re8 17. Ng3 Nd7 18. Ng5 Bxg2+ 19. Kxg2 Qc6+ 20. Kg1 h6 21. N5e4 Nd5 22. g5 hxg5 23. Nxg5 Nf8 24. N3e4 c4 25. Bd2 a5 26. Nf3 Qb6 27. Nd6 Red8 28. Rae1 Rxd6 29. exd6 Qxd6 30. Ne5 Qc5 31. Qf2 Ne7 32. dxc4 bxc4 33. c3 Nf5 34. cxd4 Qb5 35. Bc3 Nd7 36. Qg2 Rc8 37. a4 Qb6 38. Qd2 Qa7 39. Kh2 Nf6 40. Bxa5 Nxd4 41. Bc3 Nf5 42. Ng4 Nxg4+ 43. hxg4 Nd4 44. Qf2 Qc5 45. Rd1 e5 46. fxe5 Bxe5+ 47. Kh3 Ne6 48. Qxf7+ Kh8 49. Bxe5+ Qxe5 50. Qf6+ Qxf6 51. Rxf6 Rc6 52. Kh2 Kg7 53. g5 1-0

[Event "Sao Paulo Latin America Cup open"]
[Site "Sao Paulo"]
[Date "1991.09.??"]
[Round "4"]
[White "Oliveira, Felipe"]
[Black "Orellana, Marcelo"]
[Result "1/2-1/2"]
[ECO "C48"]
[PlyCount "106"]
[EventDate "1991.09.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Be7 5. Nc3 d6 6. h3 a6 7. Bxc6+ bxc6 8. d4 exd4 9. Nxd4 c5 10. Nc6 Qd7 11. Nxe7 Qxe7 12. Re1 0-0 13. Qf3 Qe5 14. Bf4 Qh5 15. Qg3 Qg6 16. Qxg6 hxg6 17. e5 Ne8 18. Rad1 Bf5 19. Re2 Rb8 20. b3 Rb4 21. Nd5 Rd4 22. Rxd4 cxd4 23. exd6 Nxd6 24. Nxc7 Nb5 25. Nxa6 Nc3 26. Rd2 Ra8 27. Nb4 Nxa2 28. Nxa2 Rxa2 29. Rxd4 Bxc2 30. Rd8+ Kh7 31. Rb8 Ra1+ 32. Kh2 Rb1 33. b4 Bd3 34. Be3 Bf1 35. Rb7 Bc4 36. Bc5 Rb3 37. Re7 Bd5 38. Re3 Rb1 39. Rd3 Bc4 40. Rc3 Bd5 41. Rd3 Bc6 42. Rd6 Bb5 43. h4 Rb3 44. Rb6 Bc4 45. Be3 Rb1 46. Rb8 Be2 47. Kg3 Rg1 48. b5 Bf1 49. b6 Rxg2+ 50. Kf3 Rg1 51. Bf4 Bg2+ 52. Ke3 Rh1 53. Bg3 Rb1 1/2-1/2

[Event "Sao Paulo Latin America Cup open"]
[Site "Sao Paulo"]
[Date "1991.09.??"]
[Round "10"]
[White "Orellana, Marcelo"]
[Black "Hadad, Damaris"]
[Result "1/2-1/2"]
[ECO "A57"]
[PlyCount "104"]
[EventDate "1991.09.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. Nc3 axb5 6. Nxb5 Qa5+ 7. Nc3 d6 8. Bd2 Qb6 9. e4 g6 10. Nf3 Bg7 11. Be2 0-0 12. Rb1 Ba6 13. 0-0 Nbd7 14. h3 Rfb8 15. Be3 Bxe2 16. Qxe2 Qa6 17. Qc2 Rb7 18. b3 Ne8 19. a4 Nc7 20. Bg5 Re8 21. Na2 Ra7 22. Bd2 Rb8 23. Bc3 Bxc3 24. Nxc3 Rab7 25. Na2 Nf6 26. Nd2 Nh5 27. g3 Ra7 28. Nc1 Qc8 29. Kh2 Na6 30. Nd3 Ng7 31. Nc4 Nb4 32. Nxb4 Rxb4 33. Rb2 Qa6 34. Rc1 Rab7 35. Qc3 Ne8 36. Re1 Nf6 37. Ree2 Nd7 38. Kg2 Qa8 39. e5 dxe5 40. Nxe5 Nxe5 41. Rxe5 c4 42. Rxe7 Rxe7 43. Qxb4 Qxd5+ 44. Kh2 Rb7 45. Qd2 Qe5 46. Qd8+ Kg7 47. Rc2 Rb8 48. Qd2 cxb3 49. Rb2 h5 50. a5 h4 51. a6 hxg3+ 52. fxg3 Ra8 1/2-1/2

[Event "Sao Paulo Latin America Cup open"]
[Site "Sao Paulo"]
[Date "1991.09.??"]
[Round "3"]
[White "Orellana, Marcelo"]
[Black "Nogueira, Ivan Kuhlmann"]
[Result "0-1"]
[ECO "A60"]
[PlyCount "102"]
[EventDate "1991.09.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. g3 c5 3. d5 e6 4. c4 b5 5. cxb5 Bb7 6. Nc3 Nxd5 7. Nf3 Nc7 8. Bg2 d5 9. e3 d4 10. exd4 cxd4 11. Ne2 e5 12. 0-0 Nd7 13. Re1 Bb4 14. Nexd4 Bxe1 15. Qxe1 0-0 16. Nc6 Qf6 17. Bg5 Qe6 18. Qa5 Bxc6 19. bxc6 Nb6 20. Be3 Ncd5 21. Qc5 Rfc8 22. Rc1 f6 23. b4 Rc7 24. b5 Nxe3 25. fxe3 Qxa2 26. Rd1 Qe6 27. Bf1 Qe7 28. Qc3 Rd8 29. Qb3+ Kh8 30. Bh3 g6 31. Kf2 Kg7 32. Rxd8 Qxd8 33. Be6 Qd6 34. Ke2 a6 35. bxa6 Qxc6 36. h3 Ra7 37. Bg8 Nc8 38. g4 Qxa6+ 39. Bc4 Qb6 40. Qd3 Nd6 41. Qd5 Nxc4 42. Qxc4 Qa6 43. Nd2 Qxc4+ 44. Nxc4 h6 45. Kf3 Kf7 46. Nd6+ Ke6 47. Ne4 f5 48. Nf2 Ra3 49. gxf5+ gxf5 50. Nd1 Kf6 51. Kg3 Rd3 0-1

[Event "Sao Paulo Latin America Cup open"]
[Site "Sao Paulo"]
[Date "1991.09.??"]
[Round "8"]
[White "Orellana, Marcelo"]
[Black "Pardo, Marco"]
[Result "1/2-1/2"]
[ECO "D66"]
[PlyCount "55"]
[EventDate "1991.09.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 0-0 6. Rc1 c6 7. e3 Nbd7 8. Be2 h6 9. Bh4 dxc4 10. Bxc4 Nd5 11. Bg3 Nxc3 12. bxc3 Ba3 13. Rb1 Qa5 14. Qb3 Nf6 15. Nd2 b5 16. Be2 Nd5 17. c4 Nc3 18. Ra1 a6 19. Bf3 Bb7 20. 0-0 Ra7 21. c5 Qb4 22. Bd6 Rd8 23. Bc7 Rd7 24. Bb6 Ra8 25. Qxb4 Bxb4 26. a3 Ne2+ 27. Bxe2 Bxd2 28. Rab1 1/2-1/2

[Event "Sao Paulo Latin America Cup open"]
[Site "Sao Paulo"]
[Date "1991.09.??"]
[Round "1"]
[White "Orellana, Marcelo"]
[Black "Tsuboi, Edson Kenji"]
[Result "0-1"]
[ECO "D85"]
[BlackElo "2340"]
[PlyCount "72"]
[EventDate "1991.09.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Bb5+ Nc6 9. 0-0 cxd4 10. cxd4 0-0 11. Bxc6 bxc6 12. Ba3 Bg4 13. Bc5 Re8 14. h3 Bxf3 15. Qxf3 Bxd4 16. Rad1 e5 17. Rd3 Qa5 18. Bxd4 exd4 19. Rxd4 Qxa2 20. Qc3 Qe6 21. f4 Rad8 22. Rc4 Qd7 23. e5 Re6 24. Rc1 h5 25. Kh2 Rc8 26. Rd4 Qe8 27. Rcd1 c5 28. Rd7 a6 29. g4 hxg4 30. hxg4 g5 31. Qa5 Rh6+ 32. Kg2 Qe6 33. Rd8+ Kg7 34. Kf3 Rh4 35. Ke4 Rxd8 36. Qxd8 Qc4+ 0-1

[Event "Sao Paulo Latin America Cup open"]
[Site "Sao Paulo"]
[Date "1991.09.??"]
[Round "2"]
[White "Watfe, Rodrigo"]
[Black "Orellana, Marcelo"]
[Result "0-1"]
[ECO "C66"]
[PlyCount "94"]
[EventDate "1991.09.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 d6 5. d4 exd4 6. Nxd4 Bd7 7. Nc3 Be7 8. Re1 0-0 9. Nxc6 bxc6 10. Bc4 Be6 11. Bb3 Bxb3 12. axb3 Nd7 13. Be3 Re8 14. f3 Bf6 15. Bd4 Re6 16. Ra2 Nf8 17. Qd2 Nd7 18. Rea1 h5 19. Rxa7 Rc8 20. Re1 Be5 21. f4 Bxd4+ 22. Qxd4 Qh4 23. Qf2 Qe7 24. f5 Re5 25. Raa1 Nf6 26. Qh4 Re8 27. Ra7 d5 28. Ra6 Qc5+ 29. Qf2 Qxf2+ 30. Kxf2 d4 31. Na4 Nxe4+ 32. Kg1 c5 33. Rc6 R8e7 34. Rf1 f6 35. g3 Kf7 36. Kg2 Ke8 37. Rd1 Rxf5 38. c3 Rd5 39. cxd4 cxd4 40. Rc4 d3 41. Nc3 Nxc3 42. Rxc3 Re2+ 43. Kh3 g5 44. g4 Re3+ 45. Kg2 hxg4 46. Kf2 Re2+ 47. Kg3 d2 0-1

