Karl Heinz Demuth
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Oberstdorf Tiefenbach op | ??/??/1999 | 1829 | Austria |
| Ruhrgebiet VL2-chT 9596 | ??/??/1995 | 609 | Germany |
| Alpenpokal op | ??/??/1994 | 108 | Germany |
| NRW-Liga II 8889 | ??/??/1989 | 230 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| E61 | King's Indian defence, 3.Nc3 | 4 games |
| A89 | Dutch, Leningrad, main variation with Nc6 | 2 games |
| E94 | King's Indian, orthodox variation | 1 games |
| D50 | Queen's Gambit Declined, 4.Bg5 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| D34 | Queen's Gambit Declined, Tarrasch, Prague variation, 7...Be7 | 5 games |
| C41 | Philidor's defence | 1 games |
| D32 | Queen's Gambit Declined, Tarrasch defence | 1 games |
| B50 | Sicilian | 1 games |


Austria
Germany