Art Marthinsen
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| US op | 08/07/2004 | 1380 | United States |
| US op | 08/03/2003 | 869 | United States |
| US op | 08/04/2001 | 767 | United States |
| US op 98th | 08/08/1997 | 1651 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| E99 | King's Indian, orthodox, Aronin-Taimanov, main line | 2 games |
| D52 | Queen's Gambit Declined | 1 games |
| E22 | Nimzo-Indian, Spielmann variation | 1 games |
| E11 | Bogo-Indian defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A34 | English, symmetrical variation | 2 games |
| C84 | Ruy Lopez, closed defence | 2 games |
| A26 | English, closed system | 1 games |
| C86 | Ruy Lopez, Worrall attack | 1 games |


United States