Arne Gronau
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| NRW-Liga II 8889 | ??/??/1989 | 230 |  Germany |
| NRW-Liga I | 10/??/1988 | 230 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| E66 | King's Indian, fianchetto, Yugoslav Panno | 1 games |
| C18 | French, Winawer, advance variation | 1 games |
| A37 | English, symmetrical variation | 1 games |
| A34 | English, symmetrical variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B31 | Sicilian, Nyezhmetdinov-Rossolimo attack (with ...g6, without ...d6) | 2 games |
| B22 | Sicilian, Alapin's variation (2.c3) | 1 games |
| B67 | Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 8...Bd7 | 1 games |
| C00 | French defence | 1 games |
