Game |
| Result | Moves |
Year | Event/Locale | Opening |
1. O Perez Mitjans vs F Corrales Jimenez |
| 1-0 | 71 | 2005 | 40th Capablanca Memorial | B31 Sicilian, Rossolimo Variation |
2. O Perez Mitjans vs Y Quesada Perez |
| 0-1 | 25 | 2005 | 40th Capablanca Memorial | B92 Sicilian, Najdorf, Opocensky Variation |
3. O Perez Mitjans vs F Corrales Jimenez |
| 0-1 | 57 | 2007 | Manresa op | B92 Sicilian, Najdorf, Opocensky Variation |
4. R Hernandez Onna vs O Perez Mitjans |
| 0-1 | 39 | 2007 | Manresa op | A36 English |
5. O Perez Mitjans vs M Tscharotschkin |
| 0-1 | 32 | 2007 | Manresa op | C18 French, Winawer |
6. O Perez Mitjans vs P Lasinskas |
| 1-0 | 25 | 2007 | Manresa op | C18 French, Winawer |
7. O Perez Mitjans vs Juan Carlos Aguilera Bonaque |
| 1-0 | 27 | 2007 | Manresa op | B10 Caro-Kann |
8. Fernando Iglesias Ojeda vs O Perez Mitjans |
| 0-1 | 27 | 2007 | Manresa op | B21 Sicilian, 2.f4 and 2.d4 |
9. Santi Carol vs O Perez Mitjans |
| ½-½ | 41 | 2007 | Manresa op | D07 Queen's Gambit Declined, Chigorin Defense |
10. L Rubio Mejia vs O Perez Mitjans |
| ½-½ | 51 | 2007 | Manresa op | D07 Queen's Gambit Declined, Chigorin Defense |
11. O Perez Mitjans vs H Hernandez Carmenates |
| ½-½ | 32 | 2007 | Cuban Championship | B53 Sicilian |
12. R Vera vs O Perez Mitjans |
 | 0-1 | 25 | 2007 | Cuban Championship | D09 Queen's Gambit Declined, Albin Counter Gambit, 5.g3 |
13. A Abreu Delgado vs O Perez Mitjans |
| 1-0 | 72 | 2007 | Cuban Championship | B78 Sicilian, Dragon, Yugoslav Attack, 10.castle long |
14. O Perez Mitjans vs O Almeida Quintana |
| ½-½ | 72 | 2007 | Cuban Championship | B32 Sicilian |
15. L S Martinez Duany vs O Perez Mitjans |
| 0-1 | 71 | 2007 | Cuban Championship | B50 Sicilian |
16. O Perez Mitjans vs Y Gonzalez Vidal |
| 0-1 | 33 | 2007 | Cuban Championship | B10 Caro-Kann |
17. O Perez Mitjans vs E Espinosa |
| 0-1 | 15 | 2007 | Cuban Championship | C29 Vienna Gambit |
18. M Gongora Reyes vs O Perez Mitjans |
| ½-½ | 68 | 2007 | Cuban Championship | B76 Sicilian, Dragon, Yugoslav Attack |
19. O Perez Mitjans vs H L B Ronquillo |
 | 1-0 | 25 | 2007 | Cuban Championship | C86 Ruy Lopez, Worrall Attack |
20. O Perez Mitjans vs H L B Ronquillo |
| 1-0 | 25 | 2007 | CUB-ch op | C86 Ruy Lopez, Worrall Attack |
21. G Lebredo Zaragoitia vs O Perez Mitjans |
| 1-0 | 32 | 2007 | Capablanca mem op 42nd | A57 Benko Gambit |
22. O Perez Mitjans vs O Linares Napoles |
| 1-0 | 55 | 2007 | Capablanca mem op 42nd | C22 Center Game |
23. O Ruiz Sanchez vs O Perez Mitjans |
| 1-0 | 54 | 2007 | Capablanca mem op 42nd | B54 Sicilian |
24. O Perez Mitjans vs Y Marrero Lopez |
| 1-0 | 31 | 2007 | Capablanca mem op 42nd | C29 Vienna Gambit |
25. J A Guillen Ramirez vs O Perez Mitjans |
| 0-1 | 32 | 2007 | Capablanca mem op 42nd | B27 Sicilian |