John Vaughan
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| World Open | 06/29/2009 | 2325 | United States |
| Foxwoods Open | 04/08/2009 | 2118 | United States |
| Nashua Open | 03/28/2009 | 509 | United States |
| Boston op | ??/??/1998 | 774 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| A25 | English, Sicilian reversed | 2 games |
| A36 | English, symmetrical variation | 2 games |
| A12 | English, Caro-Kann defensive system | 1 games |
| B14 | Caro-Kann, Panov-Botvinnik attack, 5...e6 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A28 | English, four knights system | 1 games |
| A07 | Reti, King's Indian attack (Barcza system) | 1 games |
| C77 | Ruy Lopez, Morphy defence | 1 games |
| C45 | Scotch game | 1 games |
United States
Male
FIDE ID:

