Mark Poltorak
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Dallas Amateur op | 10/27/2001 | 1638 |  United States |
| Ken Smith mem op | ??/??/1999 | 177 | United States |
| USA-op | 07/??/1991 | 493 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| B45 | Sicilian, Taimanov variation | 1 games |
| A52 | Budapest defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C54 | Giuoco Piano | 1 games |
| C68 | Ruy Lopez, exchange variation | 1 games |
| A25 | English, Sicilian reversed | 1 games |
| D06 | Queen's Gambit | 1 games |
