J. Haack
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Lansing MI Apr mini | 04/??/1990 | 0 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| C50 | King's pawn game | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C60 | Ruy Lopez (Spanish opening) | 1 games |
| C44 | King's pawn game | 1 games |


United States