| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. M Merritt vs P Fossan |
| 0-1 | 48 | 1986 | World Junior Championship | A52 Budapest Gambit |
| 2. P Fossan vs J Litvinchuk |
| 0-1 | 25 | 1986 | World Junior Championship | B57 Sicilian |
| 3. L B Hansen vs P Fossan |
| 1-0 | 45 | 1986 | World Junior Championship | A44 Old Benoni Defense |
| 4. P Fossan vs A F Ker |
| 1-0 | 72 | 1986 | World Junior Championship | B09 Pirc, Austrian Attack |
| 5. P San Segundo Carrillo vs P Fossan |
| 1-0 | 30 | 1986 | World Junior Championship | A52 Budapest Gambit |
| 6. L Zlatohlavek vs P Fossan |
| 1-0 | 42 | 1986 | World Junior Championship | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 7. P Fossan vs N Santamaria |
| ½-½ | 16 | 1986 | World Junior Championship | C66 Ruy Lopez |
| 8. P Fossan vs B Vella |
| ½-½ | 72 | 1986 | World Junior Championship | B33 Sicilian |
| 9. R Orozco vs P Fossan |
| 0-1 | 67 | 1986 | World Junior Championship | B22 Sicilian, Alapin |
| 10. P Fossan vs A Dridi |
| 1-0 | 25 | 1986 | World Junior Championship | B13 Caro-Kann, Exchange |
| 11. M Ballmann vs P Fossan |
| ½-½ | 96 | 1986 | World Junior Championship | A36 English |
| 12. P Fossan vs A Constantin |
| 0-1 | 45 | 1986 | World Junior Championship | B93 Sicilian, Najdorf, 6.f4 |
| 13. N M Saleh vs P Fossan |
| ½-½ | 17 | 1986 | World Junior Championship | A52 Budapest Gambit |
| 14. P Fossan vs C Ward |
| 0-1 | 15 | 1987 | Gausdal Arnold Cup | B76 Sicilian, Dragon, Yugoslav Attack |
| 15. P Fossan vs J Aulin-Jansson |
| ½-½ | 20 | 1989 | Ch Norway | C55 Two Knights Defense |
| 16. E Gausel vs P Fossan |
| ½-½ | 57 | 1989 | Norwegian Championship | A04 Reti Opening |
| 17. J Berglund vs P Fossan |
| ½-½ | 18 | 1989 | Norwegian Championship | A45 Queen's Pawn Game |
| 18. P Fossan vs J B Eilertsen |
| 0-1 | 28 | 1989 | Norwegian Championship | C40 King's Knight Opening |
| 19. R Djurhuus vs P Fossan |
| 1-0 | 43 | 1989 | Norwegian Championship | B13 Caro-Kann, Exchange |
| 20. P Fossan vs E Fossan |
| ½-½ | 21 | 1989 | Norwegian Championship | B17 Caro-Kann, Steinitz Variation |
| 21. S Johannessen vs P Fossan |
| 1-0 | 33 | 1989 | Norwegian Championship | A52 Budapest Gambit |
| 22. P Fossan vs P Svedenborg |
| 0-1 | 29 | 1989 | Norwegian Championship | B28 Sicilian, O'Kelly Variation |
| 23. A Lauvsnes vs P Fossan |
| ½-½ | 8 | 1989 | Norwegian Championship | A36 English |
| 24. P Fossan vs J Aulin-Jansson |
| ½-½ | 22 | 1989 | Norwegian Championship | C55 Two Knights Defense |
| 25. K A Mork vs P Fossan |
| ½-½ | 53 | 1990 | Gausdal Int | B33 Sicilian |
Kibitzing
