| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. Spassky vs E Cobo Arteaga |
| ½-½ | 43 |
1962 |
Habana (Cuba) | D19 Queen's Gambit Declined Slav, Dutch |
| 27. E Cobo Arteaga vs Szabo |
| ½-½ | 41 |
1962 |
Varna | E15 Queen's Indian |
| 28. E Cobo Arteaga vs A Beni |
| 0-1 | 39 |
1962 |
Varna ol (Men) | B41 Sicilian, Kan |
| 29. Ivkov vs E Cobo Arteaga |
| 1-0 | 49 |
1962 |
Havana Cap mem | B45 Sicilian, Taimanov |
| 30. E Cobo Arteaga vs Polugaevsky |
 | 0-1 | 50 |
1962 |
Habana (Cuba) | B94 Sicilian, Najdorf |
| 31. G Barcza vs E Cobo Arteaga |
| ½-½ | 28 |
1963 |
Havana | A07 King's Indian Attack |
| 32. P Trifunovic vs E Cobo Arteaga |
| ½-½ | 15 |
1963 |
Havana | E10 Queen's Pawn Game |
| 33. R Ortega vs E Cobo Arteaga |
| 0-1 | 34 |
1963 |
Havana | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 34. E Cobo Arteaga vs Korchnoi |
| 0-1 | 40 |
1963 |
Havana | D41 Queen's Gambit Declined, Semi-Tarrasch |
| 35. Letelier vs E Cobo Arteaga |
| ½-½ | 45 |
1963 |
Havana | E77 King's Indian |
| 36. E Cobo Arteaga vs B De Greiff |
| ½-½ | 14 |
1963 |
Havana | A15 English |
| 37. E Cobo Arteaga vs G Garcia |
| 0-1 | 34 |
1963 |
Havana | A07 King's Indian Attack |
| 38. Pachman vs E Cobo Arteaga |
| ½-½ | 41 |
1963 |
J.Capablanc | E94 King's Indian, Orthodox |
| 39. Wade vs E Cobo Arteaga |
| ½-½ | 26 |
1963 |
Havana | B42 Sicilian, Kan |
| 40. F J Perez Perez vs E Cobo Arteaga |
| ½-½ | 21 |
1963 |
Havana | E26 Nimzo-Indian, Samisch |
| 41. E Cobo Arteaga vs Ivkov |
 | 0-1 | 25 |
1963 |
Havana | C18 French, Winawer |
| 42. E Cobo Arteaga vs Matulovic |
| ½-½ | 30 |
1963 |
Belgrade | A62 Benoni, Fianchetto Variation |
| 43. Uhlmann vs E Cobo Arteaga |
| 1-0 | 40 |
1963 |
Havana | E12 Queen's Indian |
| 44. E Cobo Arteaga vs Geller |
| 0-1 | 61 |
1963 |
Havana | E70 King's Indian |
| 45. E Cobo Arteaga vs Velimirovic |
| 0-1 | 46 |
1963 |
Belgrade | A56 Benoni Defense |
| 46. E Cobo Arteaga vs O'Kelly |
| ½-½ | 35 |
1963 |
Memorial J.Capablanca | D41 Queen's Gambit Declined, Semi-Tarrasch |
| 47. E Cobo Arteaga vs E Jimenez Zerquera |
| ½-½ | 16 |
1963 |
Havana | C84 Ruy Lopez, Closed |
| 48. E Cobo Arteaga vs Tal |
| ½-½ | 39 |
1963 |
Havana | E60 King's Indian Defense |
| 49. Robatsch vs E Cobo Arteaga |
| 1-0 | 44 |
1963 |
J.Capablanca memoria | C00 French Defense |
| 50. M Bobotsov vs E Cobo Arteaga |
| ½-½ | 28 |
1963 |
Capablanca mem | A89 Dutch, Leningrad, Main Variation with Nc6 |