Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1880 |
477 |
1915 | (98) | 5 |
| 1881 |
532 |
1923 | (95) | 0 |
| 1882 |
555 |
1931 | (91) | 0 |
| 1883 |
582 |
1939 | (86) | 10 |
| 1884 |
632 |
1940 | (91) | 0 |
| 1885 |
630 |
1940 | (95) | 0 |
| 1886 |
633 |
1941 | (98) | 0 |
| 1887 |
624 |
1941 | (101) | 0 |
| 1888 |
634 |
1942 | (102) | 0 |
| 1889 |
626 |
1942 | (103) | 0 |
| 1890 |
655 |
1943 | (104) | 0 |
| 1891 |
657 |
1943 | (103) | 0 |
| 1892 |
710 |
1944 | (102) | 0 |
| 1893 |
724 |
1944 | (101) | 0 |
| 1894 |
740 |
1945 | (98) | 0 |
| 1895 |
732 |
1946 | (95) | 0 |
| 1896 |
732 |
1946 | (91) | 7 |
Rating table notes
|
| Biographical data |
| Name: Mertens, G. |
| Born: |
| Died: |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1747-1900, page 229 |
| Periodicals |
| [NBSZ], vol. 2, no. 1, Jan. 1865, page 21 |
| |
