Marc JL Erwich
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| TCh-BEL 2023-24 | 09/24/2023 | 2265 |  Belgium |
| TCh-BEL 2013-14 | 09/22/2013 | 2294 | Belgium |
| TCh-BEL 2010-11 | 09/26/2010 | 2332 | Belgium |
| TCh-BEL 2008-9 | 10/05/2008 | 2184 | Belgium |
Marc JL Erwich Opening Repertoire with White pieces
| ECO | Opening | Games |
| C02 | French, advance variation | 22 games |
| B92 | Sicilian, Najdorf, Opovcensky variation | 11 games |
| B85 | Sicilian, Scheveningen, classical variation with ...Qc7 and ...Nc6 | 10 games |
| C56 | Two knights defence | 9 games |
Marc JL Erwich Opening Repertoire with Black pieces
| ECO | Opening | Games |
| C54 | Giuoco Piano | 21 games |
| E17 | Queen's Indian, 5.Bg2 Be7 | 9 games |
| E12 | Queen's Indian defence | 9 games |
| E18 | Queen's Indian, old main line, 7.Nc3 | 7 games |
