| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. A Maccioni vs Najdorf |
| ½-½ | 59 |
1945 |
Vina del Mar ;HCL 41 | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 2. H Carlos vs A Maccioni |
| 1-0 | 38 |
1946 |
Mar del Plata ARG | B22 Sicilian, Alapin |
| 3. Jacobo Bolbochan vs A Maccioni |
| ½-½ | 42 |
1946 |
Mar del Plata ARG | E22 Nimzo-Indian, Spielmann Variation |
| 4. Najdorf vs A Maccioni |
 | 1-0 | 29 |
1946 |
Mar del Plata | E17 Queen's Indian |
| 5. Guimard vs A Maccioni |
| 1-0 | 41 |
1946 |
Mar del Plata ARG | E18 Queen's Indian, Old Main line, 7.Nc3 |
| 6. A Maccioni vs C Hounie Fleurquin |
| 0-1 | 99 |
1946 |
Mar del Plata ARG | A40 Queen's Pawn Game |
| 7. A Maccioni vs Pilnik |
| 1-0 | 29 |
1946 |
Mar del Plata ARG | D29 Queen's Gambit Accepted, Classical |
| 8. A Maccioni vs R Garcia-Vera |
| ½-½ | 28 |
1946 |
Mar del Plata ARG | D61 Queen's Gambit Declined, Orthodox, Rubinstein Attack |
| 9. Stahlberg vs A Maccioni |
| 1-0 | 48 |
1946 |
Mar del Plata ARG | E21 Nimzo-Indian, Three Knights |
| 10. A Maccioni vs M Luckis |
| 0-1 | 58 |
1946 |
Mar del Plata ARG | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 11. P Michel vs A Maccioni |
 | 1-0 | 53 |
1946 |
Mar del Plata ARG | B74 Sicilian, Dragon, Classical |
| 12. E Reinhardt vs A Maccioni |
 | 0-1 | 58 |
1946 |
Mar del Plata ARG | C54 Giuoco Piano |
| 13. A Maccioni vs J Traian Iliesco |
| 1-0 | 56 |
1946 |
Mar del Plata ARG | E72 King's Indian |
| 14. A Maccioni vs Letelier |
| ½-½ | 18 |
1946 |
Mar del Plata ARG | D30 Queen's Gambit Declined |
| 15. C Corte vs A Maccioni |
| 1-0 | 35 |
1946 |
Mar del Plata ARG | B55 Sicilian, Prins Variation, Venice Attack |
| 16. A Maccioni vs J Souza-Mendes |
| ½-½ | 42 |
1946 |
Mar del Plata ARG | D44 Queen's Gambit Declined Semi-Slav |
| 17. R Sanguineti vs A Maccioni |
| 1-0 | 44 |
1946 |
Mar del Plata ARG | E48 Nimzo-Indian, 4.e3 O-O 5.Bd3 d5 |
| 18. A Maccioni vs L Bauza |
| 0-1 | 46 |
1946 |
Mar del Plata ARG | E01 Catalan, Closed |
| 19. A Maccioni vs O Rocas |
| 0-1 | 35 |
1946 |
Mar del Plata ARG | A44 Old Benoni Defense |
| 20. A Maccioni vs A Stenborg |
| 1-0 | 35 |
1950 |
Dubrovnik olm | E67 King's Indian, Fianchetto |
| 21. Larry Evans vs A Maccioni |
| 1-0 | 67 |
1950 |
Dubrovnik olm | E46 Nimzo-Indian |
| 22. A Maccioni vs S Kesten |
| 1-0 | 47 |
1950 |
Dubrovnik olm | A13 English |
| 23. G Primavera vs A Maccioni |
 | 0-1 | 20 |
1950 |
Dubrovnik olm | A47 Queen's Indian |
| 24. A Maccioni vs H Lambert |
| ½-½ | 41 |
1950 |
Dubrovnik olm | E72 King's Indian |
| 25. M Kupferstich vs A Maccioni |
| ½-½ | 23 |
1950 |
Dubrovnik olm | C89 Ruy Lopez, Marshall |