Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1926 |
196 |
2318 | (74) | 11 |
| 1927 |
244 |
2302 | (81) | 0 |
| 1928 |
297 |
2286 | (87) | 0 |
| 1929 |
345 |
2269 | (92) | 0 |
| 1930 |
415 |
2253 | (95) | 0 |
| 1931 |
491 |
2237 | (98) | 0 |
| 1932 |
558 |
2220 | (100) | 0 |
| 1933 |
646 |
2204 | (101) | 0 |
| 1934 |
731 |
2188 | (101) | 0 |
| 1935 |
836 |
2171 | (101) | 0 |
| 1936 |
886 |
2155 | (99) | 0 |
| 1937 |
930 |
2139 | (98) | 0 |
| 1938 |
1006 |
2122 | (95) | 1 |
| 1939 |
906 |
2128 | (94) | 0 |
| 1940 |
804 |
2133 | (92) | 0 |
| 1941 |
749 |
2139 | (89) | 0 |
| 1942 |
662 |
2144 | (85) | 0 |
| 1943 |
607 |
2150 | (80) | 0 |
| 1944 |
574 |
2155 | (73) | 0 |
| 1945 |
593 |
2161 | (63) | 10 |
| 1946 |
670 |
2133 | (64) | 11 |
Rating table notes
|
| Biographical data |
| Name: Friedmann, Otto |
| Also known as: Dr. Friedmann; Otto Friedman |
| Born: |
| Died: |
| |
| Notes: |
| Di Felice, Saunders, and chessgames.com have 'Friedman'. Dominique Thimognier (personal communication) has 'Friedmann'. Earlier Czech reports have 'Friedmann'. |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1921-1930, page 149 |
| Di Felice, Chess Results, 1941-1946, page 340 |
| Gaige, Chess Tournament Crosstables IV, page 721 |
| Mudroň, Max Walter a Jakob Walter, page 68 |
| Skinner and Verhoeven, Alexander Alekhine's Chess Games, page 243 |
| Web |
| Saunders, John. [Tournament: 36th British Chess Championship] |
| [Otto Friedman] |
| |
