A. Klein chess games - 365Chess.com
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Chemnitz op | ??/??/1998 | 896 |  Germany |
| Chemnitz op | ??/??/1997 | 948 | Germany |
| Bingen op | ??/??/1996 | 261 | Germany |
| Bad Kreuznach op | ??/??/1995 | 140 | Germany |
A. Klein Opening Repertoire with White pieces
| ECO | Opening | Games |
| A08 | Reti, King's Indian attack | 2 games |
| B26 | Sicilian, closed, 6.Be3 | 2 games |
| C26 | Vienna, Falkbeer variation | 2 games |
| C45 | Scotch game | 2 games |
A. Klein Opening Repertoire with Black pieces
| ECO | Opening | Games |
| B01 | Scandinavian (centre counter) defence | 3 games |
| C66 | Ruy Lopez, Berlin defence, 4.O-O, d6 | 2 games |
| C02 | French, advance variation | 2 games |
| E60 | King's Indian defence | 1 games |