| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. H Westerinen vs Tseshkovsky |
| 0-1 | 27 |
1981 |
Festival Rossia | B21 Sicilian, 2.f4 and 2.d4 |
| 2. H Westerinen vs K Burger |
| 1-0 | 41 |
1981 |
Brighton (England) | B21 Sicilian, 2.f4 and 2.d4 |
| 3. H Westerinen vs G Garcia Gonzales |
| ½-½ | 44 |
1981 |
It FRG-ch | B21 Sicilian, 2.f4 and 2.d4 |
| 4. H Westerinen vs Csom |
| 1-0 | 37 |
1981 |
Wiesbaden GER | B21 Sicilian, 2.f4 and 2.d4 |
| 5. H Westerinen vs Van der Wiel |
| ½-½ | 41 |
1981 |
It FRG-ch | B21 Sicilian, 2.f4 and 2.d4 |
| 6. H Westerinen vs G Kiefer |
| ½-½ | 53 |
1982 |
BL 8182 Solingen-Zahringen | B21 Sicilian, 2.f4 and 2.d4 |
| 7. H Westerinen vs I Nei |
| ½-½ | 27 |
1990 |
Espoo | B21 Sicilian, 2.f4 and 2.d4 |
| 8. H Westerinen vs Polugaevsky |
| 0-1 | 21 |
1990 |
Sochi | B21 Sicilian, 2.f4 and 2.d4 |
| 9. H Westerinen vs Chiburdanidze |
| 1-0 | 34 |
1993 |
Oviedo rapid | B21 Sicilian, 2.f4 and 2.d4 |
| 10. H Westerinen vs R Markus |
| ½-½ | 33 |
2007 |
European Team Chess Championships | B21 Sicilian, 2.f4 and 2.d4 |