Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1926 |
196 |
2328 | (74) | 11 |
| 1927 |
248 |
2311 | (81) | 0 |
| 1928 |
305 |
2295 | (87) | 0 |
| 1929 |
348 |
2279 | (92) | 0 |
| 1930 |
423 |
2262 | (95) | 0 |
| 1931 |
500 |
2246 | (98) | 0 |
| 1932 |
564 |
2230 | (99) | 0 |
| 1933 |
658 |
2214 | (101) | 0 |
| 1934 |
750 |
2197 | (101) | 0 |
| 1935 |
854 |
2181 | (100) | 0 |
| 1936 |
915 |
2165 | (99) | 0 |
| 1937 |
966 |
2149 | (98) | 0 |
| 1938 |
1043 |
2132 | (95) | 1 |
| 1939 |
959 |
2138 | (94) | 0 |
| 1940 |
832 |
2144 | (92) | 0 |
| 1941 |
775 |
2149 | (89) | 0 |
| 1942 |
704 |
2155 | (85) | 0 |
| 1943 |
655 |
2160 | (80) | 0 |
| 1944 |
627 |
2166 | (73) | 0 |
| 1945 |
642 |
2172 | (63) | 10 |
| 1946 |
737 |
2144 | (63) | 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] |
| |
