Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1926 |
195 |
2323 | (74) | 11 |
| 1927 |
247 |
2306 | (81) | 0 |
| 1928 |
306 |
2290 | (87) | 0 |
| 1929 |
349 |
2274 | (92) | 0 |
| 1930 |
422 |
2258 | (95) | 0 |
| 1931 |
501 |
2241 | (98) | 0 |
| 1932 |
566 |
2225 | (99) | 0 |
| 1933 |
658 |
2209 | (101) | 0 |
| 1934 |
751 |
2193 | (101) | 0 |
| 1935 |
850 |
2176 | (100) | 0 |
| 1936 |
914 |
2160 | (99) | 0 |
| 1937 |
962 |
2144 | (98) | 0 |
| 1938 |
1040 |
2128 | (95) | 1 |
| 1939 |
953 |
2133 | (94) | 0 |
| 1940 |
828 |
2139 | (92) | 0 |
| 1941 |
774 |
2145 | (89) | 0 |
| 1942 |
700 |
2150 | (85) | 0 |
| 1943 |
653 |
2156 | (80) | 0 |
| 1944 |
628 |
2161 | (73) | 0 |
| 1945 |
642 |
2167 | (63) | 10 |
| 1946 |
732 |
2140 | (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] |
| |
