| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. Westerinen vs Kholmov |
| ½-½ | 42 | 1967 | October Revolution 50 | C78 Ruy Lopez |
| 2. Westerinen vs H Bredewout |
| ½-½ | 47 | 1967 | Hoogovens-B | C78 Ruy Lopez |
| 3. Westerinen vs Andersson |
| 1-0 | 42 | 1969 | Raach Zonal | C78 Ruy Lopez |
| 4. Westerinen vs R Teschner |
| ½-½ | 58 | 1971 | FRG-ch International | C78 Ruy Lopez |
| 5. Westerinen vs I Vulcan |
 | 1-0 | 38 | 1971 | Stockholm op | C78 Ruy Lopez |
| 6. Westerinen vs B A Jacobs |
| ½-½ | 38 | 1981 | Regency Masters | C78 Ruy Lopez |
| 7. Westerinen vs K Harandi |
| ½-½ | 28 | 1984 | Hamburg Schachfestival | C78 Ruy Lopez |
| 8. Westerinen vs Chiburdanidze |
| ½-½ | 30 | 1985 | Havana-A | C78 Ruy Lopez |
| 9. Westerinen vs B Thorfinnsson |
| ½-½ | 136 | 2002 | Reykjavik Open | C78 Ruy Lopez |
| 10. Westerinen vs S Tofte |
| 0-1 | 41 | 2007 | Arctic Chess Challenge | C78 Ruy Lopez |
| 11. Westerinen vs G Prakken |
| ½-½ | 31 | 2009 | Arctic Chess Challenge | C78 Ruy Lopez |
| 12. Westerinen vs N Getz |
| 0-1 | 38 | 2009 | Arctic Chess Challenge | C78 Ruy Lopez |
Kibitzing
