| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. S Heim vs C Gouveia |
| 0-1 | 41 | 1972 | Graz | A89 Dutch, Leningrad, Main Variation with Nc6 |
| 2. S Heim vs A Ornstein |
| 0-1 | 27 | 1972 | WchT U26 19th fin-B | C45 Scotch Game |
| 3. J Aijala vs S Heim |
| 0-1 | 53 | 1972 | World Student Team Championship Final-B | A22 English |
| 4. Tukmakov vs S Heim |
| 1-0 | 41 | 1972 | World Student Team Championship qual-1 | C09 French, Tarrasch, Open Variation, Main line |
| 5. S Heim vs J Fridjonsson |
| 1-0 | 29 | 1973 | Ribe 6 Nations chT | A36 English |
| 6. S Heim vs P Saariluoma |
| 1-0 | 32 | 1973 | Ribe 6 Nations chT | E69 King's Indian, Fianchetto, Classical Main line |
| 7. J Kristiansen vs S Heim |
 | 1-0 | 19 | 1973 | Ribe 6 Nations chT | B87 Sicilian, Fischer-Sozin with ...a6 and ...b5 |
| 8. S Heim vs S Buchal |
| 1-0 | 33 | 1973 | Ribe 6 Nations chT | A31 English, Symmetrical, Benoni Formation |
| 9. D Uddenfeldt vs S Heim |
| ½-½ | 53 | 1973 | Ribe 6 Nations chT | A31 English, Symmetrical, Benoni Formation |
| 10. S Heim vs L Ogaard |
| ½-½ | 59 | 1977 | Norway | B46 Sicilian, Taimanov Variation |
| 11. S Heim vs R Mathisen |
| ½-½ | 53 | 1978 | Kringsja | B06 Robatsch |
| 12. P Ofstad vs S Heim |
| 0-1 | 57 | 1978 | Kringsja | A07 King's Indian Attack |
| 13. S Heim vs E Lundin |
| ½-½ | 60 | 1978 | Kringsja | C72 Ruy Lopez, Modern Steinitz Defense, 5.O-O |
| 14. A Whiteley vs S Heim |
| 1-0 | 29 | 1978 | Kringsja | D75 Neo-Grunfeld, 6.cd Nxd5, 7.O-O c5, 8.dxc5 |
| 15. E Gereben vs S Heim |
| ½-½ | 25 | 1978 | Kringsja | A04 Reti Opening |
| 16. S Heim vs T Kristiansen |
| ½-½ | 53 | 1978 | Kringsja | C42 Petrov Defense |
| 17. A Ornstein vs S Heim |
| 1-0 | 32 | 1978 | Kringsja | B74 Sicilian, Dragon, Classical |
| 18. S Heim vs L Pettersson |
| ½-½ | 22 | 1978 | Kringsja | C78 Ruy Lopez |
| 19. S Heim vs D Orseth |
| ½-½ | 23 | 1978 | Kringsja | B32 Sicilian |
| 20. S Heim vs O Sande |
| ½-½ | 11 | 1980 | NOR-ch | E63 King's Indian, Fianchetto, Panno Variation |
| 21. S Heim vs Ribli |
| ½-½ | 33 | 1980 | Valletta Olympiad | A37 English, Symmetrical |
| 22. M Vukadinov vs S Heim |
| ½-½ | 51 | 1980 | Valletta Olympiad | D58 Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst |
| 23. J Arnason vs S Heim |
| 1-0 | 59 | 1980 | Valletta Olympiad | B85 Sicilian, Scheveningen, Classical |
| 24. S Heim vs Y Pustina |
| ½-½ | 31 | 1980 | Valletta Olympiad | E62 King's Indian, Fianchetto |
| 25. N Giffard vs S Heim |
| ½-½ | 40 | 1980 | Valletta Olympiad | D58 Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst |
Kibitzing
