Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1926 |
196 |
2321 | (74) | 11 |
| 1927 |
245 |
2304 | (81) | 0 |
| 1928 |
301 |
2288 | (87) | 0 |
| 1929 |
346 |
2272 | (92) | 0 |
| 1930 |
416 |
2255 | (95) | 0 |
| 1931 |
496 |
2239 | (98) | 0 |
| 1932 |
567 |
2223 | (100) | 0 |
| 1933 |
657 |
2206 | (101) | 0 |
| 1934 |
745 |
2190 | (101) | 0 |
| 1935 |
844 |
2174 | (101) | 0 |
| 1936 |
900 |
2158 | (99) | 0 |
| 1937 |
949 |
2141 | (98) | 0 |
| 1938 |
1023 |
2125 | (95) | 1 |
| 1939 |
926 |
2130 | (94) | 0 |
| 1940 |
804 |
2136 | (92) | 0 |
| 1941 |
752 |
2141 | (89) | 0 |
| 1942 |
666 |
2147 | (85) | 0 |
| 1943 |
611 |
2152 | (80) | 0 |
| 1944 |
581 |
2158 | (73) | 0 |
| 1945 |
594 |
2163 | (63) | 10 |
| 1946 |
670 |
2137 | (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] |
| |
