Bill Mason
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Best Western Classic op | 02/??/1999 | 659 | United States |
| USA-chT Amateur East | ??/??/1998 | 953 | United States |
| World op | ??/??/1996 | 1326 | United States |
| US op | ??/??/1996 | 802 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| E97 | King's Indian, orthodox, Aronin-Taimanov variation (Yugoslav attack / Mar del Plata variation) | 1 games |
| A22 | English opening | 1 games |
| A21 | English opening | 1 games |
| A32 | English, symmetrical variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B40 | Sicilian defence | 1 games |
| A03 | Bird's opening | 1 games |
| D15 | Queen's Gambit Declined Slav, 4.Nc3 | 1 games |
| B06 | Robatsch (modern) defence | 1 games |
United States
Male
FIDE ID:

