M. Mattedi
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Pellestrina op-E | ??/??/1979 | 0 |  Italy |
Most Played Openings as White
| ECO | Opening | Games |
| C42 | Petrov's defence | 1 games |
| C53 | Giuoco Piano | 1 games |
| C65 | Ruy Lopez, Berlin defence | 1 games |
| B95 | Sicilian, Najdorf, 6...e6 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| E30 | Nimzo-Indian, Leningrad variation | 1 games |
| D58 | Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) system | 1 games |
| E53 | Nimzo-Indian, 4.e3, main line with ...c5 | 1 games |
| E60 | King's Indian defence | 1 games |
