| Name | Country | City | Rating | |
|---|---|---|---|---|
| Oleg Golenkov (orig. Олег Голенков) | Belarus (Беларусь) | Grodno (Гродно) | 0.00 ±0.0 | |
| O.M. | 0.00 ±0.0 | |||
| Odd Skancke | Norway | 0.00 ±0.0 | ||
| Odie L. Bracy | 0.00 ±0.0 | |||
| Olaf Buck | 0.00 ±0.0 | |||
| Olaf Hauser | 0.00 ±0.0 | |||
| Olaf Lubeck | 0.00 ±0.0 | |||
| Olaf Meyer | 0.00 ±0.0 | |||
| Olaf Roth | 0.00 ±0.0 | |||
| Oleg | 0.00 ±0.0 | |||
| Olgierd Niemyjski | 0.00 ±0.0 | |||
| Oliver Chappell | 0.00 ±0.0 | |||
| Oliver Cyranka | 0.00 ±0.0 | |||
| Oliver Krause | 0.00 ±0.0 | |||
| Oliver Lindau | Germany | Bielefeld | 0.00 ±0.0 | |
| Oliver Redner | 0.00 ±0.0 | |||
| Oliver Rossmuller (orig. Oliver Rossmüller) | 0.00 ±0.0 | |||
| Oliver Schmidt | 0.00 ±0.0 | |||
| Olivier Lebourg | 0.00 ±0.0 | |||
| Olivier Meyer | 0.00 ±0.0 |
