| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. O Kinnmark vs H Westerinen |
| 0-1 | 50 | 1963 | Halle Zonal | B56 Sicilian |
| 27. A Niemela vs H Westerinen |
| 1-0 | 41 | 1964 | FIN-Ch | E83 King's Indian, Samisch |
| 28. S Briem vs H Westerinen |
 | 1-0 | 46 | 1964 | WchT U26 11th fin-B | C20 King's Pawn Game |
| 29. H Westerinen vs A Hollis |
| 1-0 | 31 | 1964 | WchT U26 11th qual-B | B78 Sicilian, Dragon, Yugoslav Attack, 10.castle long |
| 30. A Hollis vs H Westerinen |
| 1-0 | 46 | 1964 | WchT U26 11th fin-B | E60 King's Indian Defense |
| 31. H Westerinen vs A Jongsma |
| 1-0 | 22 | 1964 | WchT U26 11th fin-B | B35 Sicilian, Accelerated Fianchetto, Modern Variation with Bc4 |
| 32. H Westerinen vs Tringov |
| ½-½ | 41 | 1964 | Tel Aviv ol (Men) prel | A78 Benoni, Classical with ...Re8 and ...Na6 |
| 33. H Westerinen vs K Darga |
| 0-1 | 56 | 1964 | Tel Aviv ol (Men) prel | B42 Sicilian, Kan |
| 34. H Westerinen vs Savon |
| ½-½ | 32 | 1966 | Orebro Stud olm prelim1 | B42 Sicilian, Kan |
| 35. H Westerinen vs H Kramer |
| 1-0 | 40 | 1966 | Hoogovens-B | B44 Sicilian |
| 36. Krantz vs H Westerinen |
| ½-½ | 57 | 1966 | Orebro Stud olm prelim1 | B32 Sicilian |
| 37. I Polgar vs H Westerinen |
| 1-0 | 47 | 1966 | Orebro Stud olm fA | E75 King's Indian, Averbakh, Main line |
| 38. Gheorghiu vs H Westerinen |
| 1-0 | 36 | 1966 | Orebro Stud olm fA | B32 Sicilian |
| 39. H Westerinen vs Kurajica |
| ½-½ | 20 | 1966 | Orebro Stud olm fA | B42 Sicilian, Kan |
| 40. H Westerinen vs Savon |
| ½-½ | 74 | 1966 | Orebro Stud olm fA | B42 Sicilian, Kan |
| 41. P N Lee vs H Westerinen |
| 0-1 | 66 | 1966 | Orebro Stud olm fA | B09 Pirc, Austrian Attack |
| 42. N Spiridonov vs H Westerinen |
| 1-0 | 50 | 1966 | Orebro Stud olm fA | A15 English |
| 43. H Westerinen vs I Gat |
| ½-½ | 40 | 1966 | Orebro Stud olm fA | E81 King's Indian, Samisch |
| 44. A Hennings vs H Westerinen |
| 0-1 | 31 | 1966 | Orebro Stud olm fA | B32 Sicilian |
| 45. Hort vs H Westerinen |
| 1-0 | 27 | 1966 | Orebro Stud olm fA | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 46. H Westerinen vs B Brinck-Claussen |
| 1-0 | 41 | 1966 | Orebro Stud olm fA | A56 Benoni Defense |
| 47. H Westerinen vs C Zuidema |
| ½-½ | 66 | 1966 | Orebro Stud olm fA | C97 Ruy Lopez, Closed, Chigorin |
| 48. E E Book vs H Westerinen |
 | 1-0 | 33 | 1966 | Helsinki | A07 King's Indian Attack |
| 49. H Westerinen vs Tringov |
| 1-0 | 40 | 1966 | Havana ol (Men) qual-G | B77 Sicilian, Dragon, Yugoslav Attack |
| 50. H Westerinen vs J Boey |
| ½-½ | 55 | 1966 | Havana ol (Men) fin-B | C63 Ruy Lopez, Schliemann Defense |
Kibitzing
