Jose Belfort Mattos
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| BRA-ch 51th | 04/??/1984 | 384 | Brazil |
| BRA-ch | 07/??/1963 | 0 | Brazil |
Most Played Openings as White
| ECO | Opening | Games |
| E51 | Nimzo-Indian, 4.e3 e8g8, 5.Nf3 d7d5 | 1 games |
| E94 | King's Indian, orthodox variation | 1 games |
| A39 | English, symmetrical, main line with d4 | 1 games |
| C19 | French, Winawer, advance, 6...Ne7 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B23 | Sicilian, closed | 2 games |
| C80 | Ruy Lopez, open (Tarrasch) defence | 1 games |
| A61 | Benoni defence | 1 games |
| B20 | Sicilian defence | 1 games |


Brazil