Olaf Martensen
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Schleswig Holstein-ch 47th | ??/??/1992 | 0 | Germany |
| Schleswig Holstein-ch | ??/??/1991 | 0 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| B90 | Sicilian, Najdorf | 2 games |
| B12 | Caro-Kann defence | 1 games |
| A41 | Queen's Pawn | 1 games |
| E90 | King's Indian, 5.Nf3 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B20 | Sicilian defence | 1 games |
| C65 | Ruy Lopez, Berlin defence | 1 games |
| A15 | English, 1...Nf6 (Anglo-Indian defense) | 1 games |
| C45 | Scotch game | 1 games |


Germany