Harry Prahl
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Miami op | 09/26/2007 | 1629 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| B90 | Sicilian, Najdorf | 2 games |
| C71 | Ruy Lopez, modern Steinitz defence | 1 games |
| C99 | Ruy Lopez, closed, Chigorin, 12...c5d4 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B06 | Robatsch (modern) defence | 3 games |
| E60 | King's Indian defence | 1 games |


United States