Game |
| Result | Moves |
Year | Event/Locale | Opening |
1. J Mangini vs J Almeida Pinto |
| 1-0 | 58 | 1939 | Federal District Championship | C67 Ruy Lopez |
2. J Mangini vs E Berlingozzo |
| 1-0 | 28 | 1939 | Federal District Championship | D50 Queen's Gambit Declined |
3. J Mangini vs M Luckis |
| ½-½ | 76 | 1941 | Aguas de Sao Pedro / Sao Paulo | E32 Nimzo-Indian, Classical |
4. L Engels vs J Mangini |
| 1-0 | 35 | 1941 | Aguas de Sao Pedro / Sao Paulo | D52 Queen's Gambit Declined |
5. Eliskases vs J Mangini |
| 1-0 | 37 | 1941 | Aguas de Sao Pedro / Sao Paulo | E37 Nimzo-Indian, Classical |
6. Eliskases vs J Mangini |
| 1-0 | 43 | 1944 | Rio de Janeiro CXRJ | A15 English |
7. N Dantas vs J Mangini |
| 1-0 | 22 | 1945 | Federal District Championship | B00 Uncommon King's Pawn Opening |
8. D A Silva vs J Mangini |
| 0-1 | 39 | 1945 | Federal District Championship | B74 Sicilian, Dragon, Classical |
9. J Mangini vs J de Souza Mendes |
| 0-1 | 41 | 1945 | Federal District Championship | B74 Sicilian, Dragon, Classical |
10. A Vasconcellos vs J Mangini |
| 1-0 | 46 | 1945 | Federal District Championship | D31 Queen's Gambit Declined |
11. J Mangini vs Eliskases |
| ½-½ | 49 | 1945 | Rio de Janeiro CXRJ | B15 Caro-Kann |
12. J S Moses vs J Mangini |
| 1-0 | 47 | 1946 | Alekhine Memorial | A13 English |
13. J Mangini vs J Gondim |
| 1-0 | 26 | 1946 | Alekhine Memorial | B17 Caro-Kann, Steinitz Variation |
14. J Mangini vs O Cruz Filho |
| 1-0 | 60 | 1946 | Alekhine Memorial | C05 French, Tarrasch |
15. M Ramadan vs J Mangini |
| 1-0 | 51 | 1948 | Porto Alegre | B74 Sicilian, Dragon, Classical |
16. J Mangini vs W de Oliveira |
| 1-0 | 40 | 1948 | Brazilian Championship | C15 French, Winawer |
17. J Mangini vs L J Cordioli |
| 1-0 | 47 | 1948 | Brazilian Championship | B72 Sicilian, Dragon |
18. J Mangini vs J de Souza Mendes |
| 1-0 | 38 | 1948 | Brazilian Championship | B72 Sicilian, Dragon |
19. J Mangini vs F Vasconcellos |
| 1-0 | 29 | 1948 | Brazilian Championship | B85 Sicilian, Scheveningen, Classical |
20. O Cruz Filho vs J Mangini |
| 1-0 | 47 | 1948 | Brazilian Championship | E32 Nimzo-Indian, Classical |
21. R Camara vs J Mangini |
| 1-0 | 20 | 1949 | Brazilian Championship | D25 Queen's Gambit Accepted |
22. S Ribeiro vs J Mangini |
| 0-1 | 22 | 1949 | Brazilian Championship | A04 Reti Opening |
23. J Mangini vs M E de Freitas |
| ½-½ | 40 | 1949 | Brazilian Championship | B80 Sicilian, Scheveningen |
24. J Mangini vs F Vasconcellos |
| 1-0 | 30 | 1950 | Brazilian Championship | C91 Ruy Lopez, Closed |
25. O Cruz Filho vs J Mangini |
| 0-1 | 27 | 1950 | Brazilian Championship | E37 Nimzo-Indian, Classical |