R. Tessars
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Bundesliga 8384 | 10/??/1983 | 1440 |  Germany |
| Regionalliga Nord | ??/??/1981 | 0 | Germany |
R. Tessars Repertoire with White pieces (most played)
| ECO | Opening | Games |
| D27 | Queen's Gambit Accepted, classical, 6...a6 | 1 games |
| A32 | English, symmetrical variation | 1 games |
| D18 | Queen's Gambit Declined Slav, Dutch variation | 1 games |
R. Tessars Repertoire with Black pieces (most played)
| ECO | Opening | Games |
| A26 | English, closed system | 2 games |
| D07 | Queen's Gambit Declined, Chigorin defence | 2 games |
| A15 | English, 1...Nf6 (Anglo-Indian defense) | 1 games |
| B04 | Alekhine's defence, modern variation | 1 games |
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