Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1897 |
537 |
2051 | (76) | 10 |
| 1898 |
586 |
2040 | (76) | 0 |
| 1899 |
615 |
2028 | (75) | 0 |
| 1900 |
649 |
2017 | (71) | 12 |
| 1901 |
657 |
2018 | (77) | 0 |
| 1902 |
669 |
2019 | (81) | 0 |
| 1903 |
675 |
2019 | (84) | 0 |
| 1904 |
708 |
2020 | (85) | 0 |
| 1905 |
731 |
2021 | (85) | 0 |
| 1906 |
740 |
2022 | (83) | 0 |
| 1907 |
759 |
2023 | (80) | 0 |
| 1908 |
764 |
2023 | (76) | 0 |
| 1909 |
819 |
2024 | (69) | 7 |
| 1910 |
845 |
2014 | (70) | 0 |
| 1911 |
884 |
2003 | (69) | 0 |
| 1912 |
879 |
1993 | (65) | 15 |
Rating table notes
|
| Biographical data |
| Name: Ros, Johan August |
| Born: 18 Aug. 1864 |
| Died: 14 Mar. 1937 |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1901-1920, page 315 |
| Gaige, Chess Personalia, page 360 |
| Krause, Rosendahl and Englund, De Nordiska Schackkongresserna, page A.5, frontispiece |
| Thulin, Name index to CTC, page 223 |
| Periodicals |
| [TFS], vol. 6, no. 7, July 1900, page 107 |
| [TFS], vol. 18, no. 7, July 1912, page 124 |
| Web |
| Sericano, C. [Stoccolma 1897] |
| |
