Volker Griwenka
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Pinneberg-ch | 08/30/2007 | 1811 | Germany |
| Pinneberg-ch | 08/22/2006 | 1814 | Germany |
| Pinneberg-ch | 08/12/2004 | 1720 | Germany |
| Oberliga Nord N 0304 | 10/12/2003 | 1779 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| B23 | Sicilian, closed | 9 games |
| A03 | Bird's opening | 6 games |
| C06 | French, Tarrasch, closed variation, main line | 2 games |
| A02 | Bird's opening | 2 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C02 | French, advance variation | 4 games |
| B01 | Scandinavian (centre counter) defence | 4 games |
| C01 | French, exchange variation | 3 games |
| C07 | French, Tarrasch, open variation | 2 games |


Germany