[Event "BRA ch"]
[Site "Cabo Frio BRA"]
[Date "1984.05.??"]
[EventDate "1984.04.29"]
[Round "7"]
[Result "1/2-1/2"]
[White "del Bosco, Roberto"]
[Black "Edson Kenji Tsuboi"]
[ECO "E10"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "86"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. e3 d5 5. Nc3 a6 6. dxc5 Bxc5 7. a3 O-O 8. b4
Bd6 9. Bb2 Nc6 10. Qb3 Qe7 11. Be2 dxc4 12. Qxc4 e5 13. e4 Be6 14. Nd5 Bxd5
15. exd5 e4 16. dxc6 exf3 17. cxb7 Rae8 18. gxf3 Qxb7 19. O-O Re6 20. f4
Rfe8 21. Rae1 Ne4 22. Bg4 Rg6 23. f3 Bxf4 24. Rxe4 Rxe4 25. Qxe4 Rxg4+ 26.
Kh1 Qxe4 27. fxe4 f6 28. h3 Rh4 29. Kg2 Bd6 30. Rd1 Be7 31. Rd4 Kf7 32. Kg3
g5 33. a4 Ke6 34. b5 axb5 35. axb5 Bd6+ 36. Kg2 g4 37. e5 gxh3+ 38. Kh1 Rxd4
39. Bxd4 fxe5 40. Ba7 Kd5 41. Kh2 e4+ 42. Kxh3 Kc4 43. Kg4 1/2-1/2