| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. F J Perez vs R Llorens |
| 1-0 | 41 | 1946 | Barcelona | D44 Queen's Gambit Declined Semi-Slav |
| 27. R G Wade vs F J Perez |
| ½-½ | 59 | 1946 | Barcelona | D09 Queen's Gambit Declined, Albin Counter Gambit, 5.g3 |
| 28. F J Perez vs P Cherta Clos |
| 1-0 | 35 | 1946 | Barcelona | A12 English with b3 |
| 29. O'Kelly vs F J Perez |
| ½-½ | 60 | 1946 | Barcelona | D49 Queen's Gambit Declined Semi-Slav, Meran |
| 30. F J Perez vs M Golmayo |
| 0-1 | 35 | 1946 | Barcelona | B50 Sicilian |
| 31. C Guimard vs F J Perez |
| ½-½ | 42 | 1946 | Barcelona | E60 King's Indian Defense |
| 32. F J Perez vs J Vilardebo Picurena |
| 1-0 | 44 | 1946 | Barcelona | D43 Queen's Gambit Declined Semi-Slav |
| 33. A Pomar vs F J Perez |
| 0-1 | 32 | 1946 | Barcelona | C05 French, Tarrasch |
| 34. F J Perez vs G J Wood |
| ½-½ | 48 | 1946 | Barcelona | D15 Queen's Gambit Declined Slav |
| 35. A Espolita vs F J Perez |
| 0-1 | 28 | 1947 | Aviles | A40 Queen's Pawn Game |
| 36. F J Perez vs J M Fuentes |
| 1-0 | 23 | 1947 | Aviles | A34 English, Symmetrical |
| 37. A Rico Gonzalez vs F J Perez |
| 0-1 | 57 | 1947 | Aviles | B03 Alekhine's Defense |
| 38. F J Perez vs L Arias Menendez |
| 1-0 | 24 | 1947 | Aviles | C10 French |
| 39. R Toran vs F J Perez |
| 0-1 | 66 | 1947 | Aviles | A99 Dutch, Ilyin-Genevsky Variation with b3 |
| 40. F J Perez vs J Fernandez Pereda |
 | 1-0 | 14 | 1947 | Aviles | C15 French, Winawer |
| 41. A Alvarez Suarez vs F J Perez |
| 0-1 | 24 | 1947 | Aviles | D02 Queen's Pawn Game |
| 42. F J Perez vs L Prins |
| 1-0 | 48 | 1947 | Aviles | D90 Grunfeld |
| 43. A Medina Garcia vs F J Perez |
| 0-1 | 44 | 1947 | Aviles | B80 Sicilian, Scheveningen |
| 44. F J Perez vs A Pomar |
| ½-½ | 21 | 1947 | Aviles | D69 Queen's Gambit Declined, Orthodox Defense, Classical, 13.de |
| 45. F J Perez vs R del Olmo |
| 1-0 | 26 | 1948 | Gijon | D15 Queen's Gambit Declined Slav |
| 46. L Prins vs F J Perez |
| 0-1 | 51 | 1948 | Gijon | D02 Queen's Pawn Game |
| 47. F J Perez vs A Rico Gonzalez |
| 0-1 | 49 | 1948 | Gijon | A28 English |
| 48. A Alvarez Suarez vs F J Perez |
| 0-1 | 40 | 1948 | Aviles 2nd | D02 Queen's Pawn Game |
| 49. F J Perez vs A Medina Garcia |
| 0-1 | 45 | 1949 | Gijon | C45 Scotch Game |
| 50. F J Perez vs J L Alvarez del Monte |
| 1-0 | 21 | 1949 | Gijon | D61 Queen's Gambit Declined, Orthodox, Rubinstein Attack |
Kibitzing
