| page 1 of 3; games 1-25 of 61 |
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| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Ivkov vs Puc |
 | 1-0 | 46 |
1950 |
Bled | C96 Ruy Lopez, Closed |
| 2. Ivkov vs A Matanovic |
| ½-½ | 20 |
1954 |
Belgrade | C90 Ruy Lopez, Closed |
| 3. Ivkov vs Letelier |
| 1-0 | 26 |
1955 |
Mar del Plata | C84 Ruy Lopez, Closed |
| 4. Ivkov vs A Matanovic |
| ½-½ | 37 |
1955 |
Zagreb | C90 Ruy Lopez, Closed |
| 5. Ivkov vs Filip |
| ½-½ | 42 |
1955 |
Zagreb | C90 Ruy Lopez, Closed |
| 6. Ivkov vs M Bertok |
| ½-½ | 42 |
1955 |
Zagreb | C90 Ruy Lopez, Closed |
| 7. Ivkov vs A Prameshuber |
| 1-0 | 37 |
1956 |
Moscow | C90 Ruy Lopez, Closed |
| 8. Ivkov vs B Rabar |
| ½-½ | 40 |
1957 |
Sombor (22) | C84 Ruy Lopez, Closed |
| 9. Ivkov vs Gligoric |
| ½-½ | 25 |
1957 |
Sombor | C97 Ruy Lopez, Closed, Chigorin |
| 10. Ivkov vs Puc |
| ½-½ | 56 |
1958 |
Sarajevo | C97 Ruy Lopez, Closed, Chigorin |
| 11. Ivkov vs Karaklajic |
| ½-½ | 41 |
1959 |
Dresden | C90 Ruy Lopez, Closed |
| 12. Ivkov vs J Sumar |
| 1-0 | 62 |
1959 |
Lima | C84 Ruy Lopez, Closed |
| 13. Ivkov vs R Sanguineti |
| 1-0 | 59 |
1959 |
Lima | C96 Ruy Lopez, Closed |
| 14. Ivkov vs Zeyen |
| 1-0 | 30 |
1962 |
Varna | C84 Ruy Lopez, Closed |
| 15. Ivkov vs Hort |
| 1-0 | 38 |
1962 |
Varna | C84 Ruy Lopez, Closed |
| 16. Ivkov vs Spassky |
| ½-½ | 15 |
1962 |
Havana | C87 Ruy Lopez |
| 17. Ivkov vs Portisch |
| ½-½ | 56 |
1963 |
Sarajevo | C93 Ruy Lopez, Closed, Smyslov Defense |
| 18. Ivkov vs E Gereben |
| 1-0 | 72 |
1963 |
Beverwijk | C84 Ruy Lopez, Closed |
| 19. Ivkov vs C B Van den Berg |
| 1-0 | 42 |
1963 |
Beverwijk | C93 Ruy Lopez, Closed, Smyslov Defense |
| 20. Ivkov vs B Milic |
| 1-0 | 41 |
1964 |
Belgrade | C97 Ruy Lopez, Closed, Chigorin |
| 21. Ivkov vs Pachman |
| 1-0 | 56 |
1964 |
Amsterdam | C96 Ruy Lopez, Closed |
| 22. Ivkov vs Gufeld |
| 1-0 | 31 |
1964 |
Sarajevo | C94 Ruy Lopez, Closed, Breyer Defense |
| 23. Ivkov vs Geller |
| 1-0 | 51 |
1964 |
Leningrad | C84 Ruy Lopez, Closed |
| 24. Ivkov vs O Quinones |
| 1-0 | 41 |
1964 |
Amsterdam | C96 Ruy Lopez, Closed |
| 25. Ivkov vs L Lengyel |
| 1-0 | 39 |
1964 |
Beverwijk | C98 Ruy Lopez, Closed, Chigorin |
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| page 1 of 3; games 1-25 of 61 |
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Secrets of Opening Surprises
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