Horst Marx
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Stuttgart-chB | ??/??/2004 | 537 | Germany |
| Stuttgart-chB | ??/??/2003 | 723 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| B07 | Pirc defence | 2 games |
| C55 | Two knights defence | 1 games |
| B50 | Sicilian | 1 games |
| B01 | Scandinavian (centre counter) defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| D06 | Queen's Gambit | 1 games |
| A02 | Bird's opening | 1 games |
| C45 | Scotch game | 1 games |
| C46 | Three knights game | 1 games |


Germany