| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. C Schroeder vs H M Elwert |
 | ½-½ | 54 |
1989 |
corres EUR | C29 Vienna Gambit |
| 2. E Bang vs H M Elwert |
| ½-½ | 36 |
1994 |
NOR jub50 corr | D48 Queen's Gambit Declined Semi-Slav, Meran |
| 3. H W May vs H M Elwert |
| 0-1 | 47 |
1999 |
ICCF - corr | E41 Nimzo-Indian |
| 4. H M Elwert vs A Ludgate |
| ½-½ | 50 |
1999 |
ICCF - corr | A40 Queen's Pawn Game |
| 5. H M Elwert vs Juergen Gather |
| 1-0 | 44 |
1999 |
ICCF - corr | D07 Queen's Gambit Declined, Chigorin Defense |
| 6. P Marczell vs H M Elwert |
| ½-½ | 26 |
1999 |
ICCF - corr | B99 Sicilian, Najdorf, 7...Be7 Main line |
| 7. H M Elwert vs A Linna |
| ½-½ | 33 |
1999 |
ICCF - corr | B17 Caro-Kann, Steinitz Variation |
| 8. H M Elwert vs G Timmerman |
 | 1-0 | 34 |
1999 |
NBC Millennium Email | E60 King's Indian Defense |
| 9. H M Elwert vs M Bock |
| 1-0 | 38 |
1999 |
ICCF - corr | A15 English |
| 10. Lukez Franko vs H M Elwert |
| 1-0 | 42 |
1999 |
ICCF - corr | C06 French, Tarrasch |
| 11. H M Elwert vs G L Kubach |
| ½-½ | 85 |
1999 |
ICCF - corr | A81 Dutch |
| 12. M Stettler vs H M Elwert |
| ½-½ | 41 |
1999 |
ICCF - corr | E31 Nimzo-Indian, Leningrad, Main line |
| 13. J Angel Diani vs H M Elwert |
| 0-1 | 54 |
1999 |
ICCF - corr | B81 Sicilian, Scheveningen, Keres Attack |
| 14. T Habermehl vs H M Elwert |
| 0-1 | 40 |
1999 |
ICCF - corr | E20 Nimzo-Indian |
| 15. H M Elwert vs Kratochvil Milos |
| ½-½ | 44 |
1999 |
ICCF - corr | A65 Benoni, 6.e4 |
| 16. A Savage vs H M Elwert |
| ½-½ | 48 |
1999 |
ICCF - corr | B23 Sicilian, Closed |
| 17. J Brookes vs H M Elwert |
| ½-½ | 37 |
1999 |
ICCF - corr | B99 Sicilian, Najdorf, 7...Be7 Main line |
| 18. H M Elwert vs A Scuderi |
| 1-0 | 63 |
1999 |
ICCF - corr | B30 Sicilian |
| 19. H M Elwert vs M Gessat |
| ½-½ | 21 |
1999 |
ICCF - corr | B90 Sicilian, Najdorf |
| 20. H M Elwert vs M Nimtz |
| ½-½ | 35 |
2003 |
ICCF - corr | D85 Grunfeld |
| 21. H E van Kempen vs H M Elwert |
| 0-1 | 51 |
2003 |
ICCF - corr | B89 Sicilian |
| 22. M Mraz vs H M Elwert |
| ½-½ | 53 |
2003 |
ICCF - corr | D87 Grunfeld, Exchange |
| 23. Vittorio Piccardo vs H M Elwert |
| ½-½ | 45 |
2003 |
ICCF - corr | A63 Benoni, Fianchetto, 9...Nbd7 |
| 24. H M Elwert vs Olita V Rause |
| 1-0 | 53 |
2003 |
ICCF - corr | D45 Queen's Gambit Declined Semi-Slav |
| 25. M Umansky vs H M Elwert |
| ½-½ | 56 |
2003 |
ICCF - corr | A63 Benoni, Fianchetto, 9...Nbd7 |