Ivo Nenntwich
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Aeskulap op 16th | 03/31/1999 | 466 | Germany |
| Aeskulap op 15th | 03/??/1998 | 643 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| B07 | Pirc defence | 1 games |
| B18 | Caro-Kann, classical variation | 1 games |
| B88 | Sicilian, Sozin, Leonhardt variation | 1 games |
| B06 | Robatsch (modern) defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| D11 | Queen's Gambit Declined Slav, 3.Nf3 | 2 games |
| C42 | Petrov's defence | 1 games |
| C55 | Two knights defence | 1 games |
| A25 | English, Sicilian reversed | 1 games |


Germany