J. Koernke
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| USA-ch amat North | ??/??/1994 | 74 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| D51 | Queen's Gambit Declined, 4.Bg5 Nbd7 | 1 games |
| D32 | Queen's Gambit Declined, Tarrasch defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C40 | King's knight opening | 1 games |
| C42 | Petrov's defence | 1 games |
| D50 | Queen's Gambit Declined, 4.Bg5 | 1 games |
| C50 | King's pawn game | 1 games |


United States