Otto Marthaler
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Clare Benedict Cup 15th | 04/30/1968 | 0 | Germany |
| Clare Benedict Cup 12th | 04/04/1965 | 0 | Germany |
| Clare Benedict Cup 09th | ??/??/1962 | 0 | Switzerland |
| Reggio Emilia 6162 | ??/??/1961 | 0 | Italy |
Most Played Openings as White
| ECO | Opening | Games |
| A43 | Old Benoni defence | 2 games |
| D02 | Queen's pawn game | 2 games |
| D20 | Queen's gambit accepted | 2 games |
| C00 | French defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B88 | Sicilian, Sozin, Leonhardt variation | 4 games |
| B66 | Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 | 3 games |
| D02 | Queen's pawn game | 2 games |
| B85 | Sicilian, Scheveningen, classical variation with ...Qc7 and ...Nc6 | 2 games |


Germany
Switzerland
Italy