| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. P Gelpke vs C Hartman |
| ½-½ | 42 |
1980 |
FRG-ch int U18 | A84 Dutch |
| 2. C Hartman vs Hebden |
| 1-0 | 32 |
1985 |
Copenhagen op | C44 King's Pawn Game |
| 3. C Hartman vs S Brynell |
| 1-0 | 103 |
1985 |
Copenhagen op | C44 King's Pawn Game |
| 4. Plachetka vs C Hartman |
| 0-1 | 40 |
1985 |
Copenhagen op | D27 Queen's Gambit Accepted, Classical |
| 5. C Hartman vs Nunn |
| 0-1 | 33 |
1986 |
Lugano op | B92 Sicilian, Najdorf, Opocensky Variation |
| 6. M Eriksson vs C Hartman |
 | 0-1 | 29 |
1986 |
SWE-ch Malmo | C34 King's Gambit Accepted |
| 7. C Hartman vs I Stohl |
| ½-½ | 20 |
1991 |
Gausdal Arnold Cup | E15 Queen's Indian |
| 8. C Hartman vs Bagirov |
| ½-½ | 18 |
1991 |
08, Gausdal Arnold Cup | A41 Queen's Pawn Game (with ...d6) |
| 9. Svidler vs C Hartman |
| ½-½ | 15 |
1991 |
It op | D05 Queen's Pawn Game |
| 10. O Algars vs C Hartman |
| ½-½ | 55 |
1994 |
It (open), VIII, Sweden | C30 King's Gambit Declined |
| 11. R Nystrom vs C Hartman |
 | 0-1 | 45 |
1994 |
Cup Rilton | C51 Evans Gambit |
| 12. N Davies vs C Hartman |
| 1-0 | 28 |
1995 |
It (open) | D21 Queen's Gambit Accepted |
| 13. N Davies vs C Hartman |
| ½-½ | 44 |
1995 |
Katrineholm (Sweden) | A20 English |
| 14. C Hartman vs Bronstein |
| 1-0 | 61 |
1995 |
Wrexham | B01 Scandinavian |
| 15. N Davies vs C Hartman |
| 1-0 | 30 |
1995 |
Wrexham (England) | D26 Queen's Gambit Accepted |
| 16. C Nielsen vs C Hartman |
| 0-1 | 42 |
1996 |
Politiken Cup 18th | D20 Queen's Gambit Accepted |
| 17. C Hartman vs Petursson |
| 0-1 | 25 |
1996 |
Politiken Cup '96 VISA NGP Copenhagen DEN (2 | B62 Sicilian, Richter-Rauzer |
| 18. Tseshkovsky vs C Hartman |
| 1-0 | 42 |
1996 |
Politiken Cup 18th | C80 Ruy Lopez, Open |
| 19. C Hartman vs Hebden |
| 0-1 | 39 |
1996 |
op Isle of Man | C84 Ruy Lopez, Closed |
| 20. Hector vs C Hartman |
| 1-0 | 34 |
1996 |
Isle of Man op | C47 Four Knights |
| 21. N Davies vs C Hartman |
| 1-0 | 36 |
1996 |
Wrexham (Wales) | A20 English |
| 22. S Schneider vs C Hartman |
| 0-1 | 40 |
1996 |
Politiken Cup 18th | D20 Queen's Gambit Accepted |
| 23. G Toscano vs C Hartman |
| 0-1 | 64 |
1997 |
ICCF - corr | A09 Reti Opening |
| 24. C Hartman vs N Stull |
| ½-½ | 40 |
1997 |
ICCF - corr | B99 Sicilian, Najdorf, 7...Be7 Main line |
| 25. C Hartman vs A V Grishin |
| 1-0 | 62 |
1997 |
ICCF - corr | B96 Sicilian, Najdorf |