| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. Westerinen vs H Kestler |
| 1-0 | 40 | 1968 | Bamberg | B17 Caro-Kann, Steinitz Variation |
| 2. Westerinen vs H Pfleger |
| ½-½ | 57 | 1968 | Bamberg | B17 Caro-Kann, Steinitz Variation |
| 3. Westerinen vs Barcza |
| ½-½ | 33 | 1972 | Hastings 1972/73 | B17 Caro-Kann, Steinitz Variation |
| 4. Westerinen vs Pachman |
| 0-1 | 30 | 1975 | FRG-ch International | B17 Caro-Kann, Steinitz Variation |
| 5. Westerinen vs J Flesch |
| ½-½ | 29 | 1975 | Szolnok | B17 Caro-Kann, Steinitz Variation |
| 6. Westerinen vs L Christiansen |
| 0-1 | 60 | 1976 | Hoogovens-B | B17 Caro-Kann, Steinitz Variation |
| 7. Westerinen vs L D Evans |
| ½-½ | 13 | 1977 | New York GHI | B17 Caro-Kann, Steinitz Variation |
| 8. Westerinen vs J P Dominguez Sanz |
| 1-0 | 42 | 1978 | Las Palmas | B17 Caro-Kann, Steinitz Variation |
| 9. Westerinen vs J P Erlingsson |
| 1-0 | 41 | 1982 | Reykjavik Open | B17 Caro-Kann, Steinitz Variation |
| 10. Westerinen vs B Ostenstad |
| ½-½ | 41 | 1988 | Oslo | B17 Caro-Kann, Steinitz Variation |
| 11. Westerinen vs S Lalic |
| 1-0 | 25 | 1988 | Duncan Lawrie | B17 Caro-Kann, Steinitz Variation |
| 12. Westerinen vs Karpov |
| 1-0 | 37 | 1996 | Karpov vs Finland simul | B17 Caro-Kann, Steinitz Variation |
| 13. Westerinen vs D F Hill |
| 1-0 | 32 | 1996 | Eikrem Memorial | B17 Caro-Kann, Steinitz Variation |
Kibitzing
