Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1897 |
529 |
2050 | (76) | 10 |
| 1898 |
582 |
2039 | (77) | 0 |
| 1899 |
614 |
2028 | (75) | 0 |
| 1900 |
646 |
2017 | (71) | 12 |
| 1901 |
646 |
2018 | (77) | 0 |
| 1902 |
659 |
2019 | (81) | 0 |
| 1903 |
661 |
2020 | (84) | 0 |
| 1904 |
698 |
2021 | (85) | 0 |
| 1905 |
714 |
2022 | (85) | 0 |
| 1906 |
726 |
2023 | (83) | 0 |
| 1907 |
737 |
2024 | (80) | 0 |
| 1908 |
744 |
2024 | (76) | 0 |
| 1909 |
804 |
2025 | (69) | 7 |
| 1910 |
832 |
2015 | (70) | 0 |
| 1911 |
868 |
2005 | (69) | 0 |
| 1912 |
862 |
1995 | (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] |
| |
