Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1903 |
861 |
1858 | (101) | 10 |
Rating table notes
|
| Biographical data |
| Name: Heftye, J.G. |
| Born: |
| Died: |
| |
| Notes: |
| Feenstra Kuiper and Di Felice have 'Hefty'; the Tidskrift För Schack has 'J.G. Heftye'. |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1901-1920, page 34 |
| Feenstra Kuiper, 100 Jahre Schachturniere, page 57 |
| Periodicals |
| [TFS], vol. 9, no. 8B, Aug. 1903, page 3 |
| |
