G. Hartmann
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Rhein Main op 1st | ??/??/1998 | 918 |  Germany |
| Hessenliga 9798 | 10/??/1997 | 818 | Germany |
| Hessenliga | ??/??/1995 | 585 | Germany |
| Hessenliga 9495 | ??/??/1994 | 597 | Germany |
G. Hartmann Repertoire with White pieces (most played)
| ECO | Opening | Games |
| B21 | Sicilian, Grand Prix attack | 1 games |
| B20 | Sicilian defence | 1 games |
| A69 | Benoni, four pawns attack, main line | 1 games |
| A04 | Reti opening | 1 games |
G. Hartmann Repertoire with Black pieces (most played)
| ECO | Opening | Games |
| B00 | King's pawn opening | 2 games |
| E98 | King's Indian, orthodox, Aronin-Taimanov, 9.Ne1 | 1 games |
| A51 | Budapest defence declined | 1 games |
| D02 | Queen's pawn game | 1 games |
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