W. Groeller
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Grand Rapids-ch MI M/X | ??/??/1988 | 138 | United States |
| Monroe ch-MI op | ??/??/1986 | 75 | United States |
| Dearborn ch-MI M/X | ??/??/1986 | 382 | United States |
| Kalamazoo WMU op | ??/??/1986 | 125 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| A57 | Benko gambit | 1 games |
| B57 | Sicilian, Sozin, not Scheveningen | 1 games |
| B04 | Alekhine's defence, modern variation | 1 games |
| C19 | French, Winawer, advance, 6...Ne7 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B31 | Sicilian, Nyezhmetdinov-Rossolimo attack (with ...g6, without ...d6) | 3 games |
| B23 | Sicilian, closed | 3 games |
| B33 | Sicilian defence | 2 games |
| A13 | English opening | 1 games |


United States