| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. Botvinnik vs A Kostjoerin |
  | 1-0 | 27 | 1960 | Leipzig Olympiad qual-2 | A22 English |
| 2. A Kostjoerin vs F Campomanes |
| 1-0 | 31 | 1960 | Leipzig Olympiad qual-2 | B15 Caro-Kann |
| 3. Robatsch vs A Kostjoerin |
| 1-0 | 29 | 1960 | Leipzig Olympiad qual-2 | C77 Ruy Lopez |
| 4. A Kostjoerin vs M Tamburini |
| ½-½ | 57 | 1960 | Leipzig Olympiad qual-2 | B40 Sicilian |
| 5. A Kostjoerin vs Sliwa |
| 0-1 | 56 | 1960 | Leipzig Olympiad qual-2 | C68 Ruy Lopez, Exchange |
| 6. J Durao vs A Kostjoerin |
| ½-½ | 42 | 1960 | Leipzig Olympiad qual-2 | E48 Nimzo-Indian, 4.e3 O-O 5.Bd3 d5 |
| 7. A Kostjoerin vs M Aaron |
| 0-1 | 23 | 1960 | Leipzig Olympiad qual-2 | B29 Sicilian, Nimzovich-Rubinstein |
| 8. J Goncalves vs A Kostjoerin |
| ½-½ | 41 | 1960 | Leipzig Olympiad Final-C | C77 Ruy Lopez |
| 9. E Contedini vs A Kostjoerin |
| ½-½ | 10 | 1960 | Leipzig Olympiad Final-C | C29 Vienna Gambit |
| 10. A Kostjoerin vs C Humerez Estrada |
| ½-½ | 32 | 1960 | Leipzig Olympiad Final-C | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 11. H Camilleri vs A Kostjoerin |
| 1-0 | 44 | 1960 | Leipzig Olympiad Final-C | C89 Ruy Lopez, Marshall |
| 12. A Kostjoerin vs M Littleton |
| ½-½ | 29 | 1960 | Leipzig Olympiad Final-C | C68 Ruy Lopez, Exchange |
| 13. K Lagha vs A Kostjoerin |
| ½-½ | 38 | 1960 | Leipzig Olympiad Final-C | A53 Old Indian |
| 14. G P Thibaut vs A Kostjoerin |
| ½-½ | 27 | 1960 | Leipzig Olympiad Final-C | E16 Queen's Indian |
| 15. C Boutteville vs A Kostjoerin |
| 1-0 | 36 | 1960 | Leipzig Olympiad Final-C | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 16. E Macskasy vs A Kostjoerin |
| ½-½ | 41 | 1964 | Tel Aviv Olympiad qual-6 | A06 Reti Opening |
| 17. G Shekhar vs A Kostjoerin |
| ½-½ | 57 | 1964 | Tel Aviv Olympiad Final-C | A07 King's Indian Attack |
| 18. A Kostjoerin vs L Schorr |
| 1-0 | 51 | 1964 | Tel Aviv Olympiad Final-C | B08 Pirc, Classical |
| 19. Tapio Ketonen vs A Kostjoerin |
| ½-½ | 38 | 1964 | Tel Aviv Olympiad Final-C | C45 Scotch Game |
| 20. A Kostjoerin vs S Zinser |
| 0-1 | 64 | 1964 | Tel Aviv Olympiad Final-C | B46 Sicilian, Taimanov Variation |
| 21. B Kristjansson vs A Kostjoerin |
| 1-0 | 30 | 1964 | Tel Aviv Olympiad Final-C | C43 Petrov, Modern Attack |
| 22. R Castagna vs A Kostjoerin |
| 1-0 | 13 | 1964 | Tel Aviv Olympiad Final-C | C77 Ruy Lopez |
| 23. A Kostjoerin vs R Cintron |
| 0-1 | 43 | 1964 | Tel Aviv Olympiad Final-C | C03 French, Tarrasch |
| 24. A Kostjoerin vs F Campomanes |
| ½-½ | 26 | 1966 | Havana Olympiad qual-1 | C10 French |
| 25. Korchnoi vs A Kostjoerin |
| 1-0 | 35 | 1966 | Havana Olympiad qual-1 | A80 Dutch |
Kibitzing
