Jon Gassaway
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| NWC August op | 08/??/1989 | 555 |  United States |
| NWC November op | 11/??/1989 | 167 | United States |
| NWC November op | 11/??/1988 | 680 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| E41 | Nimzo-Indian, 4.e3 c5 | 1 games |
| C45 | Scotch game | 1 games |
| A90 | Dutch defence | 1 games |
| E50 | Nimzo-Indian, 4.e3 e8g8, 5.Nf3, without ...d5 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| E42 | Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) | 1 games |
