Jason Portis
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Michigan Amateur op | 10/23/2004 | 1256 | United States |
| Kalamazoo op | 10/25/2003 | 1248 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| C50 | King's pawn game | 2 games |
| B02 | Alekhine's defence | 1 games |
| C44 | King's pawn game | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C44 | King's pawn game | 1 games |
| A00 | Polish (Sokolsky) opening | 1 games |
| C42 | Petrov's defence | 1 games |
| C41 | Philidor's defence | 1 games |


United States