[Event "Catarinense-ch 32th sf 1"]
[Site "Florianopolis"]
[Date "1986.07.??"]
[Round "2"]
[White "Ferreira, Isaac"]
[Black "De Arruda Filho, Raul Jose Matos"]
[Result "0-1"]
[ECO "B20"]
[PlyCount "68"]
[EventDate "1986.07.11"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 e6 3. Nc3 a6 4. a4 Nc6 5. Nf3 Nge7 6. d3 Qc7 7. Be3 Ng6 8. Qd2 Be7 9. Bg5 d6 10. Bxe7 Qxe7 11. Ne2 b6 12. Ng3 Bb7 13. Nh5 0-0 14. Qc3 e5 15. Qb3 Qc7 16. c3 Na5 17. Qc2 Nxc4 18. dxc4 Bc8 19. h3 Be6 20. Qd3 b5 21. axb5 axb5 22. 0-0 Bxc4 23. Qd1 Bxf1 24. Qxf1 Rxa1 25. Qxa1 Qc6 26. Qb1 d5 27. exd5 Qxd5 28. Ng5 e4 29. g3 Qxg5 30. g4 e3 31. Qe1 exf2+ 32. Qxf2 Rd8 33. Qf3 Qc1+ 34. Qf1 Rd1 0-1

[Event "Catarinense-ch 32th sf 1"]
[Site "Florianopolis"]
[Date "1986.07.??"]
[Round "1"]
[White "Ferreira, Isaac"]
[Black "Queiroz, Alexandre"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "119"]
[EventDate "1986.07.11"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Bc4 Nxe4 4. Qe2 d5 5. d3 dxc4 6. Qxe4 cxd3 7. cxd3 Bb4+ 8. Qxb4 Nc6 9. Qe4 0-0 10. 0-0 f5 11. Qe2 Qf6 12. Bg5 Qg6 13. Qe3 Re8 14. Qd2 f4 15. g3 h6 16. Bh4 Qg4 17. Qd1 g5 18. Nxg5 hxg5 19. Qxg4 Bxg4 20. Bxg5 Nd4 21. Nd2 f3 22. Ne4 Bh3 23. Nc3 Bxf1 24. Kxf1 c6 25. Ne4 Re6 26. h4 Kf7 27. Be3 Kg6 28. Rc1 Kh5 29. Ng5 Rf6 30. Rc5 Re8 31. Bxd4 exd4 32. Ne4+ Kg6 33. Rg5+ Kf7 34. Nxf6 Kxf6 35. Ra5 a6 36. g4 Re2 37. b3 Rd2 38. Rf5+ Kg6 39. h5+ Kh6 40. Rxf3 Kg5 41. Rf5+ Kxg4 42. h6 Rxd3 43. Rh5 Kxh5 44. h7 Rd2 45. h8Q+ Kg6 46. Qg8+ Kf6 47. Qh8+ Kg6 48. Qe8+ Kf6 49. Qd8+ Kg6 50. Qa5 Rc2 51. Ke1 d3 52. f4 b5 53. Qd8 d2+ 54. Kd1 Rxa2 55. Qg5+ Kf7 56. f5 c5 57. Qg6+ Kf8 58. f6 Ra1+ 59. Kxd2 Rf1 60. Qg7+ 1-0

[Event "Catarinense-ch 32th sf 1"]
[Site "Florianopolis"]
[Date "1986.07.??"]
[Round "4"]
[White "Tavares, Rubens"]
[Black "Ferreira, Isaac"]
[Result "1-0"]
[ECO "C48"]
[PlyCount "87"]
[EventDate "1986.07.11"]
[EventType "swiss"]
[EventRounds "5"]
[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 Bc5 5. Nc3 a6 6. Bxc6 dxc6 7. Nxe5 Bd4 8. Nf3 Bg4 9. d3 h6 10. Qe2 0-0 11. Be3 Be5 12. Nd1 Qd6 13. h3 Bxf3 14. Qxf3 Kh7 15. Qe2 Rfe8 16. f4 Bd4 17. c3 Bxe3+ 18. Nxe3 Qc5 19. Qf2 Qb5 20. Rad1 Rad8 21. e5 Ng8 22. Qc2 Qb6 23. Rf3 Kh8 24. Kh2 c5 25. Rg3 f6 26. d4 cxd4 27. Qg6 Re7 28. Rxd4 Rxd4 29. cxd4 Qe6 30. Nf5 Rd7 31. Nxg7 Qf7 32. Qxf7 Rxf7 33. Ne6 Re7 34. Nc5 c6 35. Rb3 fxe5 36. dxe5 b5 37. Nxa6 Ra7 38. Ra3 Ne7 39. Nc5 Rc7 40. g4 Kg8 41. Ra8+ Kf7 42. Kg3 Ng6 43. h4 Nf8 44. Rxf8+ 1-0

