Jan Merker
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| IBCA Wch U20 blind 4th | 07/03/2005 | 476 | Greece |
| Wch IBCA U18 blind 3rd | 08/28/2003 | 415 | Spain |
Most Played Openings as White
| ECO | Opening | Games |
| E61 | King's Indian defence, 3.Nc3 | 2 games |
| D35 | Queen's Gambit Declined, 3...Nf6 | 1 games |
| D31 | Queen's Gambit Declined, 3.Nc3 | 1 games |
| A85 | Dutch with c4 & Nc3 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B21 | Sicilian, Grand Prix attack | 1 games |
| D60 | Queen's Gambit Declined, Orthodox defence | 1 games |
| A34 | English, symmetrical variation | 1 games |
| B20 | Sicilian defence | 1 games |


Greece
Spain