| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. A Maccioni vs M Luckis |
| 0-1 | 58 | 1946 | Mar del Plata | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 27. Najdorf vs A Maccioni |
 | 1-0 | 29 | 1946 | Mar del Plata | E17 Queen's Indian |
| 28. A Maccioni vs C Hounie Fleurquin |
| 0-1 | 99 | 1946 | Mar del Plata | A41 Queen's Pawn Game (with ...d6) |
| 29. C H Maderna vs A Maccioni |
| 1-0 | 38 | 1946 | Mar del Plata | B22 Sicilian, Alapin |
| 30. A Maccioni vs J de Souza Mendes |
| ½-½ | 42 | 1946 | Mar del Plata | D44 Queen's Gambit Declined Semi-Slav |
| 31. E Reinhardt vs A Maccioni |
| 0-1 | 58 | 1946 | Mar del Plata | C54 Giuoco Piano |
| 32. A Maccioni vs R Garcia Vera |
| ½-½ | 28 | 1946 | Mar del Plata | D61 Queen's Gambit Declined, Orthodox, Rubinstein Attack |
| 33. A Maccioni vs H Kongshavn |
| 1-0 | 28 | 1950 | Dubrovnik Olympiad | D31 Queen's Gambit Declined |
| 34. J H Donner vs A Maccioni |
| ½-½ | 52 | 1950 | Dubrovnik Olympiad | E33 Nimzo-Indian, Classical |
| 35. A Maccioni vs Vidmar |
| 0-1 | 35 | 1950 | Dubrovnik Olympiad | A41 Queen's Pawn Game (with ...d6) |
| 36. G Primavera vs A Maccioni |
| 0-1 | 20 | 1950 | Dubrovnik Olympiad | A47 Queen's Indian |
| 37. A Maccioni vs A Stenborg |
| 1-0 | 35 | 1950 | Dubrovnik Olympiad | E67 King's Indian, Fianchetto |
| 38. Pilnik vs A Maccioni |
| 1-0 | 40 | 1950 | Dubrovnik Olympiad | C75 Ruy Lopez, Modern Steinitz Defense |
| 39. A Maccioni vs A Othoneos |
| ½-½ | 56 | 1950 | Dubrovnik Olympiad | D82 Grunfeld, 4.Bf4 |
| 40. M Kupferstich vs A Maccioni |
| ½-½ | 23 | 1950 | Dubrovnik Olympiad | C89 Ruy Lopez, Marshall |
| 41. A Maccioni vs S Kesten |
| 1-0 | 47 | 1950 | Dubrovnik Olympiad | A13 English |
| 42. G P Thibaut vs A Maccioni |
| 0-1 | 60 | 1950 | Dubrovnik Olympiad | E17 Queen's Indian |
| 43. A Maccioni vs F Pinzon |
| 0-1 | 65 | 1950 | Dubrovnik Olympiad | A22 English |
| 44. S Helle vs A Maccioni |
| ½-½ | 25 | 1950 | Dubrovnik Olympiad | E22 Nimzo-Indian, Spielmann Variation |
| 45. A Maccioni vs H Lambert |
| ½-½ | 41 | 1950 | Dubrovnik Olympiad | E72 King's Indian |
| 46. H Staudte vs A Maccioni |
| 0-1 | 80 | 1950 | Dubrovnik Olympiad | C30 King's Gambit Declined |
| 47. L Evans vs A Maccioni |
| 1-0 | 67 | 1950 | Dubrovnik Olympiad | E46 Nimzo-Indian |
| 48. A Maccioni vs H Zamora |
| 0-1 | 53 | 1951 | CHI-ch | D46 Queen's Gambit Declined Semi-Slav |
Kibitzing
