S. Karwen
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Oberliga Hessen | 10/??/1991 | 652 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| E67 | King's Indian, fianchetto with ...Nd7 | 1 games |
| E51 | Nimzo-Indian, 4.e3 e8g8, 5.Nf3 d7d5 | 1 games |
| A33 | English, symmetrical variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B07 | Pirc defence | 1 games |
| A04 | Reti opening | 1 games |
| E87 | King's Indian, Saemisch, orthodox, 7.d5 | 1 games |
| B06 | Robatsch (modern) defence | 1 games |


Germany