Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1897 |
536 |
2051 | (76) | 10 |
| 1898 |
585 |
2040 | (76) | 0 |
| 1899 |
615 |
2029 | (75) | 0 |
| 1900 |
650 |
2018 | (71) | 12 |
| 1901 |
655 |
2019 | (77) | 0 |
| 1902 |
668 |
2019 | (81) | 0 |
| 1903 |
673 |
2020 | (84) | 0 |
| 1904 |
703 |
2021 | (85) | 0 |
| 1905 |
731 |
2022 | (85) | 0 |
| 1906 |
738 |
2023 | (83) | 0 |
| 1907 |
755 |
2023 | (80) | 0 |
| 1908 |
760 |
2024 | (76) | 0 |
| 1909 |
816 |
2025 | (69) | 7 |
| 1910 |
841 |
2015 | (70) | 0 |
| 1911 |
882 |
2004 | (69) | 0 |
| 1912 |
877 |
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] |
| |
