H. Keller
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Regionalliga NordN | ??/??/1991 | 748 | Germany |
| San Benedetto op | ??/??/1990 | 775 | Italy |
| Badenweiler op | ??/??/1988 | 401 | Germany |
| Regionalliga NordN | ??/??/1988 | 250 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| B06 | Robatsch (modern) defence | 2 games |
| C49 | Four knights, double Ruy Lopez | 1 games |
| E87 | King's Indian, Saemisch, orthodox, 7.d5 | 1 games |
| C30 | King's gambit | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B22 | Sicilian, Alapin's variation (2.c3) | 1 games |
| E07 | Catalan, closed, 6...Nbd7 | 1 games |
| B20 | Sicilian defence | 1 games |
| B80 | Sicilian, Scheveningen variation | 1 games |


Germany
Italy