J. O'Keefe
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| New York | ??/??/1956 | 0 | United States |
Most Played Openings as White
| ECO | Opening | Games |
Most Played Openings as Black
| ECO | Opening | Games |
| B66 | Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 | 1 games |


United States