Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1926 |
196 |
2318 | (74) | 11 |
| 1927 |
243 |
2301 | (81) | 0 |
| 1928 |
298 |
2284 | (87) | 0 |
| 1929 |
350 |
2268 | (92) | 0 |
| 1930 |
421 |
2251 | (95) | 0 |
| 1931 |
502 |
2234 | (98) | 0 |
| 1932 |
563 |
2218 | (100) | 0 |
| 1933 |
647 |
2201 | (101) | 0 |
| 1934 |
733 |
2184 | (101) | 0 |
| 1935 |
854 |
2168 | (101) | 0 |
| 1936 |
883 |
2151 | (100) | 0 |
| 1937 |
924 |
2134 | (98) | 0 |
| 1938 |
978 |
2118 | (95) | 1 |
| 1939 |
875 |
2122 | (94) | 0 |
| 1940 |
751 |
2127 | (92) | 0 |
| 1941 |
680 |
2132 | (90) | 0 |
| 1942 |
608 |
2137 | (86) | 0 |
| 1943 |
538 |
2142 | (81) | 0 |
| 1944 |
508 |
2147 | (74) | 0 |
| 1945 |
512 |
2151 | (64) | 10 |
| 1946 |
529 |
2125 | (65) | 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] |
| |
