Game |
| Result | Moves |
Year | Event/Locale | Opening |
1. H Malmgren vs Keres |
 | 0-1 | 38 | 1933 | SWE-EST corr | D02 Queen's Pawn Game |
2. Keres vs H Malmgren |
| 1-0 | 19 | 1934 | corr | C32 King's Gambit Declined, Falkbeer Counter Gambit |
3. Keres vs H Malmgren |
| 1-0 | 30 | 1935 | corr | C02 French, Advance |
4. G Nagy vs H Malmgren |
 | 1-0 | 18 | 1938 | Correspondence Championship | C83 Ruy Lopez, Open |
5. H Malmgren vs P Berkavicius |
 | 1-0 | 32 | 1938 | ICCF championship | A28 English |
6. M Seibold vs H Malmgren |
| 0-1 | 29 | 1939 | corr | C81 Ruy Lopez, Open, Howell Attack |
7. H Malmgren vs E Ancsin |
| 1-0 | 48 | 1939 | corr | D34 Queen's Gambit Declined, Tarrasch |
8. S Canow vs H Malmgren |
| 0-1 | 33 | 1941 | SWE corr | A03 Bird's Opening |
9. H Ahman vs H Malmgren |
 | 0-1 | 14 | 1947 | Sweden | D43 Queen's Gambit Declined Semi-Slav |
10. H Malmgren vs M Napolitano |
| 1-0 | 44 | 1950 | 1st Correspondence World Championship | B59 Sicilian, Boleslavsky Variation, 7.Nb3 |
11. O Barda vs H Malmgren |
| ½-½ | 43 | 1950 | 1st Correspondence World Championship | C81 Ruy Lopez, Open, Howell Attack |
12. G R Mitchell vs H Malmgren |
| ½-½ | 26 | 1950 | 1st Correspondence World Championship | C83 Ruy Lopez, Open |
13. L Watzl vs H Malmgren |
| 0-1 | 40 | 1950 | 1st Correspondence World Championship | C83 Ruy Lopez, Open |
14. H Malmgren vs E Adam |
| ½-½ | 26 | 1950 | 1st Correspondence World Championship | B92 Sicilian, Najdorf, Opocensky Variation |
15. H Malmgren vs G J Wood |
 | 1-0 | 31 | 1950 | 1st Correspondence World Championship | C76 Ruy Lopez, Modern Steinitz Defense, Fianchetto Variation |
16. H Malmgren vs T van Scheltinga |
| ½-½ | 32 | 1950 | 1st Correspondence World Championship | B29 Sicilian, Nimzovich-Rubinstein |
17. J Balogh vs H Malmgren |
| 0-1 | 50 | 1950 | 1st Correspondence World Championship | C81 Ruy Lopez, Open, Howell Attack |
18. S Madsen vs H Malmgren |
| ½-½ | 28 | 1950 | 1st Correspondence World Championship | C81 Ruy Lopez, Open, Howell Attack |
19. J W Collins vs H Malmgren |
 | 0-1 | 70 | 1950 | 1st Correspondence World Championship | D63 Queen's Gambit Declined, Orthodox Defense |
20. H Malmgren vs P van't Veer |
| 1-0 | 26 | 1950 | 1st Correspondence World Championship | B17 Caro-Kann, Steinitz Variation |
21. H Malmgren vs A Cuadrado |
 | 1-0 | 19 | 1950 | 1st Correspondence World Championship | C81 Ruy Lopez, Open, Howell Attack |
22. C Purdy vs H Malmgren |
| ½-½ | 46 | 1950 | 1st Correspondence World Championship | A28 English |
23. H Malmgren vs Barcza |
| 0-1 | 42 | 1955 | SWE-HUN | B93 Sicilian, Najdorf, 6.f4 |