| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. E Reed Valenzuela vs E Karastoichev |
| 1-0 | 34 | 1939 | Buenos Aires Olympiad qual-2 | E08 Catalan, Closed |
| 2. E Karastoichev vs E Reinhardt |
| 0-1 | 29 | 1939 | Buenos Aires Olympiad qual-2 | B84 Sicilian, Scheveningen |
| 3. A Olivera vs E Karastoichev |
| 0-1 | 24 | 1939 | Buenos Aires Olympiad qual-2 | E32 Nimzo-Indian, Classical |
| 4. M Suarez Davila vs E Karastoichev |
| 0-1 | 33 | 1939 | Buenos Aires Olympiad Final-B | D55 Queen's Gambit Declined |
| 5. E Karastoichev vs J Austbo |
| ½-½ | 37 | 1939 | Buenos Aires Olympiad Final-B | C10 French |
| 6. W Nash vs E Karastoichev |
| ½-½ | 68 | 1939 | Buenos Aires Olympiad Final-B | B73 Sicilian, Dragon, Classical |
| 7. E Karastoichev vs A Olivera |
| 0-1 | 22 | 1939 | Buenos Aires Olympiad Final-B | C16 French, Winawer |
| 8. W Holowach vs E Karastoichev |
| ½-½ | 32 | 1939 | Buenos Aires Olympiad Final-B | E62 King's Indian, Fianchetto |
| 9. C Salazar vs E Karastoichev |
| 0-1 | 24 | 1939 | Buenos Aires Olympiad Final-B | C58 Two Knights |
| 10. E Karastoichev vs S Vukovic |
| 1-0 | 25 | 1946 | Belgrade Balkaniad | C84 Ruy Lopez, Closed |
| 11. N Andritoiu vs E Karastoichev |
| ½-½ | 27 | 1946 | Belgrade Balkaniad | C28 Vienna Game |
| 12. E Karastoichev vs N Naidenov |
| 1-0 | 29 | 1947 | Bulgarian Championship | E02 Catalan, Open, 5.Qa4 |
| 13. S Mechkarov vs E Karastoichev |
| 0-1 | 28 | 1947 | Bulgarian Championship | A48 King's Indian |
| 14. N Minev vs E Karastoichev |
| 1-0 | 52 | 1947 | Bulgarian Championship | D96 Grunfeld, Russian Variation |
| 15. Y Toshev vs E Karastoichev |
| 1-0 | 25 | 1947 | Bulgarian Championship | D51 Queen's Gambit Declined |
| 16. E Karastoichev vs M Atanasov |
 | 1-0 | 36 | 1947 | Bulgarian Championship | C91 Ruy Lopez, Closed |
| 17. E Karastoichev vs P Ivanov |
| 0-1 | 56 | 1947 | Bulgarian Championship | C79 Ruy Lopez, Steinitz Defense Deferred |
| 18. E Karastoichev vs B Markov |
| 1-0 | 38 | 1947 | Bulgarian Championship | C11 French |
| 19. V Popov vs E Karastoichev |
| 1-0 | 47 | 1947 | Bulgarian Championship | C68 Ruy Lopez, Exchange |
| 20. E Karastoichev vs T Jankov |
| 1-0 | 40 | 1947 | Bulgarian Championship | C78 Ruy Lopez |
| 21. E Karastoichev vs A Malchev |
| 1-0 | 29 | 1947 | Bulgarian Championship | C84 Ruy Lopez, Closed |
| 22. I Galev vs E Karastoichev |
| 0-1 | 47 | 1947 | Bulgarian Championship | B01 Scandinavian |
| 23. E Karastoichev vs Y Benderev |
| 1-0 | 37 | 1947 | Bulgarian Championship | C78 Ruy Lopez |
| 24. E Karastoichev vs N Bardarov |
| ½-½ | 45 | 1947 | Bulgarian Championship | C66 Ruy Lopez |
| 25. G Zgurev vs E Karastoichev |
| ½-½ | 34 | 1947 | Bulgarian Championship | D43 Queen's Gambit Declined Semi-Slav |
Kibitzing
