| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. S Malmgren vs Westerinen |
| 1-0 | 41 | 1967 | Erik Olson Memorial 1967/68 | C92 Ruy Lopez, Closed |
| 2. R Martens vs S Malmgren |
| 1-0 | 41 | 1967 | Erik Olson Memorial 1967/68 | E70 King's Indian |
| 3. S Malmgren vs H Ek |
| 0-1 | 35 | 1967 | Erik Olson Memorial 1967/68 | C16 French, Winawer |
| 4. S Malmgren vs Jansa |
| ½-½ | 41 | 1967 | Erik Olson Memorial 1967/68 | B48 Sicilian, Taimanov Variation |
| 5. O Kinnmark vs S Malmgren |
| 1-0 | 66 | 1967 | Erik Olson Memorial 1967/68 | B20 Sicilian |
| 6. S Malmgren vs Z Nilsson |
| ½-½ | 35 | 1967 | Erik Olson Memorial 1967/68 | C90 Ruy Lopez, Closed |
| 7. Geller vs S Malmgren |
| 1-0 | 33 | 1968 | Erik Olson Memorial 1967/68 | B78 Sicilian, Dragon, Yugoslav Attack, 10.castle long |
| 8. S Malmgren vs B Sandor |
| 0-1 | 33 | 1968 | Erik Olson Memorial 1967/68 | B08 Pirc, Classical |
| 9. N Gaprindashvili vs S Malmgren |
| 1-0 | 33 | 1968 | Erik Olson Memorial 1967/68 | B00 Uncommon King's Pawn Opening |
| 10. A Whiteley vs S Malmgren |
| 1-0 | 41 | 1968 | WchT U26 15th qual-D | E62 King's Indian, Fianchetto |
| 11. M Albano vs S Malmgren |
| 0-1 | 68 | 1968 | WchT U26 15th fin-C | B07 Pirc |
| 12. T Bjerre vs S Malmgren |
| 1-0 | 47 | 1969 | World Student Team Championship qual-2 | A79 Benoni, Classical, 11.f3 |
| 13. S Malmgren vs A Marat |
| ½-½ | 42 | 1969 | World Student Team Championship Final-B | B35 Sicilian, Accelerated Fianchetto, Modern Variation with Bc4 |
| 14. R Hernandez Onna vs S Malmgren |
| 1-0 | 63 | 1969 | World Student Team Championship Final-B | A61 Benoni |
| 15. F Strobel vs S Malmgren |
| ½-½ | 42 | 1969 | World Student Team Championship Final-B | A02 Bird's Opening |
| 16. T Wibe vs S Malmgren |
| ½-½ | 42 | 1969 | World Student Team Championship Final-B | B00 Uncommon King's Pawn Opening |
| 17. P Balaskas vs S Malmgren |
| 1-0 | 38 | 1969 | World Student Team Championship Final-B | B12 Caro-Kann Defense |
| 18. A Carlsson vs S Malmgren |
| 0-1 | 43 | 1971 | Swedish Championship | B08 Pirc, Classical |
| 19. S Malmgren vs Y Aspstrom |
| 1-0 | 39 | 1971 | Swedish Championship | B07 Pirc |
| 20. A Olsson vs S Malmgren |
| 1-0 | 39 | 1971 | Swedish Championship | B09 Pirc, Austrian Attack |
| 21. S Malmgren vs L Ljungquist |
| 1-0 | 21 | 1971 | Swedish Championship | B10 Caro-Kann |
| 22. F Nordstrom vs S Malmgren |
| 0-1 | 37 | 1971 | Swedish Championship | E96 King's Indian, Orthodox, 7...Nbd7, Main line |
| 23. S Malmgren vs S Hjorth |
| 1-0 | 34 | 1971 | Swedish Championship | C12 French, McCutcheon |
| 24. H Akvist vs S Malmgren |
| 0-1 | 31 | 1971 | Swedish Championship | B07 Pirc |
| 25. G Brostrom vs S Malmgren |
| 1-0 | 37 | 1971 | Swedish Championship | E73 King's Indian |
Kibitzing
