Game |
| Result | Moves |
Year | Event/Locale | Opening |
26. S Heim vs N Birnboim |
| ½-½ | 27 | 1980 | Valletta Olympiad | D76 Neo-Grunfeld, 6.cd Nxd5, 7.O-O Nb6 |
27. S Heim vs A Zapata |
| ½-½ | 54 | 1980 | Valletta Olympiad | E63 King's Indian, Fianchetto, Panno Variation |
28. Y Rantanen vs S Heim |
| ½-½ | 27 | 1981 | Nordic-ch 37th | C11 French |
29. S Heim vs J Kristiansen |
| ½-½ | 17 | 1981 | Nordic-ch 37th | A90 Dutch |
30. H Schussler vs S Heim |
| ½-½ | 31 | 1981 | Nordic-ch 37th | D37 Queen's Gambit Declined |
31. J C Hansen vs S Heim |
| 0-1 | 49 | 1981 | Nordic-ch 37th | B83 Sicilian |
32. C Hoi vs S Heim |
| ½-½ | 35 | 1981 | Nordic-ch 37th | A56 Benoni Defense |
33. S Heim vs K Helmers |
| 0-1 | 60 | 1981 | Nordic-ch 37th | E63 King's Indian, Fianchetto, Panno Variation |
34. S Heim vs H Olafsson |
| 1-0 | 41 | 1981 | Nordic-ch 37th | A04 Reti Opening |
35. A Ornstein vs S Heim |
| 1-0 | 28 | 1981 | Nordic-ch 37th | A56 Benoni Defense |
36. S Heim vs Petursson |
| 0-1 | 46 | 1981 | Nordic-ch 37th | A00 Uncommon Opening |
37. G Sigurjonsson vs S Heim |
| ½-½ | 15 | 1981 | Nordic-ch 37th | A04 Reti Opening |
38. S Heim vs E Raaste |
| ½-½ | 43 | 1981 | Nordic-ch 37th | A14 English |
39. J Adamski vs S Heim |
| ½-½ | 33 | 1982 | Lucerne Olympiad | A32 English, Symmetrical Variation |
40. S Heim vs C Gamarra Caceres |
| ½-½ | 42 | 1982 | Lucerne Olympiad | B33 Sicilian |
41. S Heim vs N Giffard |
| ½-½ | 43 | 1982 | Lucerne Olympiad | B82 Sicilian, Scheveningen |
42. S Heim vs J Bellon Lopez |
| ½-½ | 58 | 1982 | Lucerne Olympiad | D16 Queen's Gambit Declined Slav |
43. V Frias Pablaza vs S Heim |
| ½-½ | 63 | 1982 | Lucerne Olympiad | D16 Queen's Gambit Declined Slav |
44. S Heim vs R Jamieson |
| ½-½ | 41 | 1982 | Lucerne Olympiad | A36 English |
45. Westerinen vs S Heim |
 | ½-½ | 73 | 1982 | Lucerne Olympiad | B42 Sicilian, Kan |
46. E Mortensen vs S Heim |
| ½-½ | 23 | 1982 | Lucerne Olympiad | B43 Sicilian, Kan, 5.Nc3 |
47. S Heim vs D H Campora |
| 0-1 | 41 | 1982 | Lucerne Olympiad | B18 Caro-Kann, Classical |
48. S Heim vs R Ravisekhar |
| 1-0 | 46 | 1982 | Lucerne Olympiad | B70 Sicilian, Dragon Variation |
49. A Ornstein vs S Heim |
| ½-½ | 45 | 1983 | Nordic-tt | B83 Sicilian |
50. S Heim vs S Mirza |
| 1-0 | 40 | 1984 | Thessaloniki Olympiad | E04 Catalan, Open, 5.Nf3 |