| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. O W Hartvig vs R Bellin |
| 0-1 | 36 | 1989 | Copenhagen Open | C69 Ruy Lopez, Exchange, Gligoric Variation |
| 2. O W Hartvig vs K Szabo |
| ½-½ | 33 | 2009 | Gibraltar Masters | C69 Ruy Lopez, Exchange, Gligoric Variation |
| 3. O W Hartvig vs F Jacobsen |
| ½-½ | 54 | 2010 | Gibraltar Masters | C69 Ruy Lopez, Exchange, Gligoric Variation |
| 4. O W Hartvig vs A Fox |
| 1-0 | 38 | 2010 | Gibraltar Masters | C69 Ruy Lopez, Exchange, Gligoric Variation |
| 5. O W Hartvig vs V Havik |
 | 0-1 | 50 | 2010 | Gibraltar Masters | C69 Ruy Lopez, Exchange, Gligoric Variation |
Kibitzing
