| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. P Devos vs Frits van Lennep |
| 1-0 | 27 | 1949 | BEL-ch | B74 Sicilian, Dragon, Classical |
| 52. A Zografakis vs P Devos |
 | 1-0 | 82 | 1950 | Dubrovnik Olympiad | D20 Queen's Gambit Accepted |
| 53. P Devos vs C Hugot |
| ½-½ | 56 | 1950 | Dubrovnik Olympiad | A99 Dutch, Ilyin-Genevsky Variation with b3 |
| 54. M Zapata Vinces vs P Devos |
| ½-½ | 57 | 1950 | Dubrovnik Olympiad | B40 Sicilian |
| 55. P Devos vs K Palda |
| ½-½ | 47 | 1950 | Dubrovnik Olympiad | E60 King's Indian Defense |
| 56. Shainswit vs P Devos |
| 1-0 | 53 | 1950 | Dubrovnik Olympiad | D23 Queen's Gambit Accepted |
| 57. P Devos vs Prins |
| ½-½ | 26 | 1950 | Dubrovnik Olympiad | E92 King's Indian |
| 58. A M Giustolisi vs P Devos |
| ½-½ | 28 | 1950 | Dubrovnik Olympiad | D23 Queen's Gambit Accepted |
| 59. Julio Bolbochan vs P Devos |
| 1-0 | 55 | 1950 | Dubrovnik Olympiad | D29 Queen's Gambit Accepted, Classical |
| 60. Eigil Pedersen vs P Devos |
| 0-1 | 78 | 1950 | Dubrovnik Olympiad | B80 Sicilian, Scheveningen |
| 61. Letelier vs P Devos |
| ½-½ | 64 | 1950 | Dubrovnik Olympiad | A31 English, Symmetrical, Benoni Formation |
| 62. P Devos vs R Niemi |
| 1-0 | 56 | 1950 | Dubrovnik Olympiad | D46 Queen's Gambit Declined Semi-Slav |
| 63. Rellstab vs P Devos |
| ½-½ | 48 | 1950 | Dubrovnik Olympiad | D04 Queen's Pawn Game |
| 64. P Devos vs Morcken |
| 0-1 | 27 | 1950 | Dubrovnik Olympiad | D35 Queen's Gambit Declined |
| 65. P Trifunovic vs P Devos |
| 1-0 | 57 | 1950 | Dubrovnik Olympiad | D27 Queen's Gambit Accepted, Classical |
| 66. P Devos vs N Bergqvist |
| ½-½ | 93 | 1950 | Dubrovnik Olympiad | E43 Nimzo-Indian, Fischer Variation |
| 67. P Devos vs V Borodin |
| 1-0 | 15 | 1951 | Antwerp | C35 King's Gambit Accepted, Cunningham |
Kibitzing
