Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1902 |
170 |
2274 | (38) | 50 |
| 1903 |
171 |
2274 | (54) | 0 |
| 1904 |
180 |
2274 | (63) | 0 |
| 1905 |
186 |
2274 | (68) | 9 |
Rating table notes
|
| Biographical data |
| Name: Piotrowski, O. |
| Born: |
| Died: |
| |
| Notes: |
| The Berliner Schachverband website has 'Pietrowski', but on it's Café Kerkau page, Hoppe suggests that 'O. Piotrowski' is correct. |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1901-1920, page 313 |
| Thulin, Name index to CTC, page 203, 204 |
| Web |
| Hoppe, Frank. [Chronik des Jahres 1902] (broken) |
| Hoppe, Frank. [Freies Turnier im Café Kerkau] (broken) |
| |
