Mario Viviani
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Arco di Trento op-A | 10/20/2007 | 1741 | Italy |
Most Played Openings as White
| ECO | Opening | Games |
| A22 | English opening | 2 games |
| D75 | Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.Nc3 | 1 games |
| D31 | Queen's Gambit Declined, 3.Nc3 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A53 | Old Indian defence | 3 games |
| C41 | Philidor's defence | 1 games |
Switzerland
Male
FIDE ID:

Italy