Mark Chak
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| World op 29th | 06/30/2001 | 1810 | United States |
Most Played Openings as White
| ECO | Opening | Games |
Most Played Openings as Black
| ECO | Opening | Games |
| C14 | French, classical variation | 1 games |
| A95 | Dutch, stonewall with Nc3 | 1 games |


United States