William Cohen
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| US op 108th | 07/28/2007 | 919 |  United States |
| USA-chT Amateur East | 02/17/2007 | 665 | United States |
| USA-chT Amateur East | 03/19/2005 | 768 | United States |
| USA-chT Amateur East | 03/19/2000 | 655 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| B52 | Sicilian, Canal-Sokolsky attack, 3...Bd7 | 1 games |
| D94 | Gruenfeld, 5.e3 | 1 games |
| B02 | Alekhine's defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C80 | Ruy Lopez, open (Tarrasch) defence | 1 games |
| B85 | Sicilian, Scheveningen, classical variation with ...Qc7 and ...Nc6 | 1 games |
| D46 | Queen's Gambit Declined semi-Slav, 6.Bd3 | 1 games |
| B21 | Sicilian, Grand Prix attack | 1 games |
