Nikolaus Mertens
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Liechtenstein op 18th | 05/27/2000 | 2047 | Liechtenstein |
| Liechtenstein op | 05/??/1999 | 2019 | Liechtenstein |
| Liechtenstein op | ??/??/1997 | 2079 | Liechtenstein |
| Liechtenstein op | 05/??/1995 | 1382 | Liechtenstein |
Most Played Openings as White
| ECO | Opening | Games |
| A70 | Benoni, classical with e4 and Nf3 | 2 games |
| D35 | Queen's Gambit Declined, 3...Nf6 | 1 games |
| D11 | Queen's Gambit Declined Slav, 3.Nf3 | 1 games |
| D02 | Queen's pawn game | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A47 | Queen's Indian defence | 1 games |
| B47 | Sicilian, Taimanov (Bastrikov) variation | 1 games |
| B17 | Caro-Kann, Steinitz variation | 1 games |
| A46 | Queen's pawn game | 1 games |


Liechtenstein