| page 1 of 1; 6 games |
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| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. O Yepez vs F Blatny |
| 0-1 | 23 |
1957 |
WchT U26 04th | E59 Nimzo-Indian, 4.e3, Main line |
| 2. O Yepez vs Fischer |
 | 0-1 | 41 |
1966 |
Havana ol prel | E91 King's Indian |
| 3. O Yepez vs Panno |
| 0-1 | 43 |
1970 |
Caracas it | B42 Sicilian, Kan |
| 4. Slujssar vs O Yepez |
| 0-1 | 27 |
1970 |
Caracas it | B28 Sicilian, O'Kelly Variation |
| 5. O Yepez vs Stein |
| 0-1 | 54 |
1970 |
Caracas it | E82 King's Indian, Samisch, double Fianchetto Variation |
| 6. O Yepez vs Karpov |
 | 0-1 | 39 |
1970 |
13, Caracas | E55 Nimzo-Indian, 4.e3, Gligoric System, Bronstein Variation |
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