| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. F Jenni vs Gligoric |
| ½-½ | 15 |
1998 |
Nagler mem | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 2. F Jenni vs Smyslov |
| ½-½ | 35 |
1998 |
Memorial Alois Nagler, Zurich (Switzerland) | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 3. F Jenni vs De Vreugt |
| ½-½ | 43 |
2000 |
World Junior | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 4. F Jenni vs De Vreugt |
| 1-0 | 38 |
2001 |
Zug SUI | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 5. F Jenni vs S Nyysti |
| 1-0 | 66 |
2003 |
EU-ch 4th | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 6. F Jenni vs B Brinck-Claussen |
| ½-½ | 24 |
2006 |
European Club Cup | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 7. F Jenni vs T Roussel Roozmon |
| ½-½ | 68 |
2006 |
37th Chess Olympiad | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 8. F Jenni vs M S Yahya |
| 1-0 | 28 |
2006 |
37th Chess Olympiad | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 9. F Jenni vs Nijboer |
| ½-½ | 42 |
2007 |
European Individual Championships | C68 Ruy Lopez, Exchange |
| 10. F Jenni vs L B Hansen |
| ½-½ | 16 |
2007 |
European Team Chess Championships | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 11. F Jenni vs Akopian |
 | 0-1 | 96 |
2007 |
Ordix Open | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 12. F Jenni vs S Estremera Panos |
| 1-0 | 84 |
2007 |
European Individual Championships | C68 Ruy Lopez, Exchange |