Erik Ronneberg
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Mid West Class op | ??/??/1996 | 616 | United States |
| US Class op | ??/??/1996 | 704 | United States |
| New York op | 04/12/1995 | 1792 | United States |
| National op | ??/??/1995 | 864 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| B12 | Caro-Kann defence | 2 games |
| C89 | Ruy Lopez, Marshall counter-attack | 2 games |
| B94 | Sicilian, Najdorf, 6.Bg5 | 1 games |
| B67 | Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 8...Bd7 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| E84 | King's Indian, Saemisch, Panno main line | 3 games |
| A25 | English, Sicilian reversed | 2 games |
| A08 | Reti, King's Indian attack | 1 games |
| D20 | Queen's gambit accepted | 1 games |


United States