| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. K Helmers vs J Baart |
| ½-½ | 27 |
1977 |
W/EU-ch U20 7677 | E77 King's Indian |
| 2. K Helmers vs Ftacnik |
| ½-½ | 57 |
1977 |
Groningen | D82 Grunfeld, 4.Bf4 |
| 3. A J Whiteley vs K Helmers |
| 0-1 | 35 |
1978 |
Kringsja | E39 Nimzo-Indian, Classical, Pirc Variation |
| 4. Y Gruenfeld vs K Helmers |
| 1-0 | 36 |
1979 |
European Zone 2 Tt | B97 Sicilian, Najdorf |
| 5. Huebner vs K Helmers |
| 1-0 | 33 |
1979 |
Luzern | E05 Catalan, Open, Classical line |
| 6. K Helmers vs L Day |
 | 1-0 | 22 |
1980 |
MLT | A55 Old Indian, Main line |
| 7. Portisch vs K Helmers |
| 1-0 | 32 |
1980 |
Malta | E14 Queen's Indian |
| 8. Sosonko vs K Helmers |
| 1-0 | 25 |
1980 |
Reykjavik | E15 Queen's Indian |
| 9. L Shamkovich vs K Helmers |
| ½-½ | 17 |
1982 |
Esbjerg (Denmark) | B83 Sicilian |
| 10. Y Rantanen vs K Helmers |
| ½-½ | 55 |
1982 |
Randers | B93 Sicilian, Najdorf, 6.f4 |
| 11. Jansa vs K Helmers |
| 1-0 | 57 |
1982 |
Esbjerg | B92 Sicilian, Najdorf, Opocensky Variation |
| 12. K Helmers vs Ftacnik |
| ½-½ | 69 |
1982 |
Esbjerg | A15 English |
| 13. K Helmers vs Murey |
| 0-1 | 44 |
1982 |
Randers | A09 Reti Opening |
| 14. A Kuligowski vs K Helmers |
| 0-1 | 28 |
1982 |
Reykjavik op | E44 Nimzo-Indian, Fischer Variation, 5.Ne2 |
| 15. Jansa vs K Helmers |
| 1-0 | 57 |
1982 |
Esbjerg | B92 Sicilian, Najdorf, Opocensky Variation |
| 16. L Shamkovich vs K Helmers |
| ½-½ | 67 |
1982 |
Reykjavik (Iceland) | B50 Sicilian |
| 17. Keene vs K Helmers |
| ½-½ | 16 |
1983 |
Aarhus | D32 Queen's Gambit Declined, Tarrasch |
| 18. K Helmers vs Van der Wiel |
| ½-½ | 19 |
1983 |
Aarhus | A49 King's Indian, Fianchetto without c4 |
| 19. Ftacnik vs K Helmers |
| ½-½ | 30 |
1983 |
Gjovik | B40 Sicilian |
| 20. K Helmers vs Browne |
| ½-½ | 31 |
1983 |
It (cat.12) | A04 Reti Opening |
| 21. K Helmers vs Jansa |
| ½-½ | 45 |
1983 |
Arhus | E62 King's Indian, Fianchetto |
| 22. Spassky vs K Helmers |
| 1-0 | 40 |
1983 |
Gjovik | E92 King's Indian |
| 23. K Helmers vs Ftacnik |
| ½-½ | 21 |
1983 |
Arhus | D76 Neo-Grunfeld, 6.cd Nxd5, 7.O-O Nb6 |
| 24. Nunn vs K Helmers |
 | 1-0 | 36 |
1983 |
Gjovik | B97 Sicilian, Najdorf |
| 25. Keene vs K Helmers |
| 1-0 | 24 |
1983 |
Exhibition game, Aarhus | E29 Nimzo-Indian, Samisch |