J. Wygrecki
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Jackson-ch MI | ??/??/1988 | 288 | United States |
| Lansing-ch MI op | ??/??/1988 | 28 | United States |
| E Detroit ch-MI M/X | ??/??/1987 | 147 | United States |
| Lansing-ch MI op | ??/??/1987 | 0 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| A00 | Polish (Sokolsky) opening | 4 games |
| B21 | Sicilian, Grand Prix attack | 2 games |
| B20 | Sicilian defence | 2 games |
| B07 | Pirc defence | 2 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A01 | Nimzovich-Larsen attack | 3 games |
| E90 | King's Indian, 5.Nf3 | 2 games |
| A28 | English, four knights system | 2 games |
| B40 | Sicilian defence | 2 games |


United States