Robert Gruchacz
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| US op | 08/??/1989 | 737 | United States |
| Midwest Masters op | ??/??/1987 | 949 | United States |
| Illinois | ??/??/1986 | 1612 | United States |
| Illinois-ch | ??/??/1986 | 387 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| B20 | Sicilian defence | 2 games |
| C17 | French, Winawer, advance variation | 2 games |
| C68 | Ruy Lopez, exchange variation | 2 games |
| B48 | Sicilian, Taimanov variation | 2 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B40 | Sicilian defence | 3 games |
| A37 | English, symmetrical variation | 2 games |
| E54 | Nimzo-Indian, 4.e3, Gligoric system with 7...dc | 2 games |
| D30 | Queen's gambit declined | 2 games |
United States
FIDE ID:

