Rolf Deffner
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| NRW-Liga II 8990 | ??/??/1990 | 288 |  Germany |
| BL2-W 8788 | 10/??/1987 | 899 | Germany |
| Lloyds Bank op | 08/??/1986 | 851 |  United Kingdom |
Most Played Openings as White
| ECO | Opening | Games |
| C68 | Ruy Lopez, exchange variation | 3 games |
| B05 | Alekhine's defence, modern variation, 4...Bg4 | 1 games |
| C06 | French, Tarrasch, closed variation, main line | 1 games |
| B73 | Sicilian, dragon, classical, 8.O-O | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| E85 | King's Indian, Saemisch, orthodox variation | 1 games |
| E91 | King's Indian, 6.Be2 | 1 games |
| E62 | King's Indian, fianchetto variation | 1 games |
| B95 | Sicilian, Najdorf, 6...e6 | 1 games |
