[Event "IBM"]
[Site "Amsterdam"]
[Date "1970.07.30"]
[Round "14"]
[White "Janosevic, Dragoljub"]
[Black "Jongsma, Alexander"]
[Result "1-0"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 Bg5 12. Nc2 O-O 13. a4 bxa4 14. Rxa4 a5 15. Bc4 Bd7 16. b3 Ne7 17. Ra3 Rc8 18. Qd3 Nxd5 19. Bxd5 Qb6 20. O-O Kh8 21. c4 Qc5 22. Raa1 Rb8 23. Qc3 Bd8 24. Ne3 Rb4 25. Rab1 g6 26. Nc2 Rb8 27. Ne1 Bb6 28. Nd3 Qc7 29. Kh1 Bd4 30. Qd2 Kg7 31. f4 f6 32. f5 g5 33. Rfc1 Qa7 34. Qa2 Rfc8 35. Qa3 Bc5 36. Nxc5 dxc5 37. Ra1 a4 38. bxa4 Qa5 39. Qd3 Rd8 40. h4 h6 41. Qe3 Rb4 42. Qe1 Be8 43. Kh2 Rd6 44. Ra3 Ra6 45. Rb1 Qb6 46. Rd1 Raxa4 47. Rg3 Bh5 48. Be6 Bxd1 49. Qxd1 Qb8 50. Qd7+ Kh8 51. Qe7 Ra7 52. Qxf6+ Rg7 53. Qxh6+ Rh7 54. Qf6+ Rg7 55. Rxg5 1-0