Marco Claas
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| JBLN West 9899 | ??/??/1998 | 437 | Germany |
| JBLN West 9798 | ??/??/1997 | 129 | Germany |
| Wichern op 4th | 10/??/1997 | 1026 | Germany |
| GER-chT U15 | ??/??/1996 | 24 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| A43 | Old Benoni defence | 3 games |
| D36 | Queen's Gambit Declined, exchange, positional line, 6.Qc2 | 3 games |
| D20 | Queen's gambit accepted | 2 games |
| D35 | Queen's Gambit Declined, 3...Nf6 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C02 | French, advance variation | 2 games |
| C01 | French, exchange variation | 2 games |
| C19 | French, Winawer, advance, 6...Ne7 | 2 games |
| C05 | French, Tarrasch, closed variation | 2 games |


Germany