| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Parma vs Y Rantanen |
| ½-½ | 45 |
1962 |
Olympiad | B82 Sicilian, Scheveningen |
| 2. E Kristiansen vs Y Rantanen |
| ½-½ | 44 |
1974 |
Radio Match | B42 Sicilian, Kan |
| 3. Spassky vs Y Rantanen |
| 1-0 | 48 |
1975 |
Tallinn (Estonia) | B42 Sicilian, Kan |
| 4. Tal vs Y Rantanen |
 | 1-0 | 30 |
1979 |
Tallinn | B30 Sicilian |
| 5. Bronstein vs Y Rantanen |
| ½-½ | 56 |
1979 |
It (cat.11) | B37 Sicilian, Accelerated Fianchetto |
| 6. L Day vs Y Rantanen |
| ½-½ | 40 |
1980 |
olm MLT | B21 Sicilian, 2.f4 and 2.d4 |
| 7. O C Moen vs Y Rantanen |
| 0-1 | 24 |
1981 |
9. Eksjo SK | B27 Sicilian |
| 8. J Nun vs Y Rantanen |
| 1-0 | 37 |
1981 |
9. Eksjo SK | B22 Sicilian, Alapin |
| 9. Murey vs Y Rantanen |
| 1-0 | 41 |
1982 |
Randers | B27 Sicilian |
| 10. I Morovic vs Y Rantanen |
| 1-0 | 26 |
1982 |
Luzern | B74 Sicilian, Dragon, Classical |
| 11. W Schmidt vs Y Rantanen |
| ½-½ | 26 |
1989 |
Nordic-tt | B38 Sicilian, Accelerated Fianchetto, Maroczy Bind, 6.Be3 |
| 12. R Djurhuus vs Y Rantanen |
| ½-½ | 117 |
1989 |
EU-chT (Men) | B25 Sicilian, Closed |
| 13. M Pamuk vs Y Rantanen |
| 0-1 | 32 |
1989 |
EU-chT (Men) | B27 Sicilian |
| 14. Smejkal vs Y Rantanen |
| 1-0 | 55 |
1990 |
Novi Sad ol (Men) | B38 Sicilian, Accelerated Fianchetto, Maroczy Bind, 6.Be3 |
| 15. Bagirov vs Y Rantanen |
| 1-0 | 28 |
1995 |
Kuopio op | B25 Sicilian, Closed |
| 16. J Tuovinen vs Y Rantanen |
| ½-½ | 60 |
2000 |
We ESK | B22 Sicilian, Alapin |
| 17. P Paronen vs Y Rantanen |
| 1-0 | 31 |
2000 |
10th Open | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 18. Gavrikov vs Y Rantanen |
| 1-0 | 37 |
2000 |
10th Open | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 19. Hector vs Y Rantanen |
| 1-0 | 33 |
2001 |
Solett Open | B70 Sicilian, Dragon Variation |
| 20. E Horn vs Y Rantanen |
| 0-1 | 47 |
2001 |
Solett Open | B53 Sicilian |
| 21. A Schmitz vs Y Rantanen |
| 0-1 | 34 |
2001 |
Solett Open | B22 Sicilian, Alapin |
| 22. J Aijala vs Y Rantanen |
| 1-0 | 44 |
2002 |
Heart of Finland op | B76 Sicilian, Dragon, Yugoslav Attack |
| 23. O Guttulsrud vs Y Rantanen |
| 0-1 | 31 |
2009 |
Politiken Cup | B27 Sicilian |
