Pat Costello
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Soest op | 06/02/2000 | 425 |  Netherlands |
| Northern Virginia op | ??/??/1996 | 436 |  United States |
Most Played Openings as White
| ECO | Opening | Games |
| C44 | King's pawn game | 1 games |
| B12 | Caro-Kann defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A57 | Benko gambit | 1 games |
