GA. Koelsche
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| US op | ??/??/1995 | 425 |  United States |
| US op active | ??/??/1995 | 1153 | United States |
| USA op | ??/??/1968 | 0 | United States |
| Hollywood op | ??/??/1954 | 0 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| A30 | English, symmetrical variation | 1 games |
| A89 | Dutch, Leningrad, main variation with Nc6 | 1 games |
| A04 | Reti opening | 1 games |
| A42 | Modern defence, Averbakh system | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B20 | Sicilian defence | 1 games |
| A09 | Reti opening | 1 games |
| B43 | Sicilian, Kan, 5.Nc3 | 1 games |
| A46 | Queen's pawn game | 1 games |
