Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1926 |
194 |
2323 | (74) | 11 |
| 1927 |
247 |
2306 | (81) | 0 |
| 1928 |
305 |
2290 | (87) | 0 |
| 1929 |
347 |
2274 | (92) | 0 |
| 1930 |
418 |
2257 | (95) | 0 |
| 1931 |
498 |
2241 | (98) | 0 |
| 1932 |
565 |
2225 | (100) | 0 |
| 1933 |
656 |
2208 | (101) | 0 |
| 1934 |
749 |
2192 | (101) | 0 |
| 1935 |
846 |
2176 | (101) | 0 |
| 1936 |
906 |
2159 | (99) | 0 |
| 1937 |
959 |
2143 | (98) | 0 |
| 1938 |
1030 |
2127 | (95) | 1 |
| 1939 |
936 |
2132 | (94) | 0 |
| 1940 |
815 |
2138 | (92) | 0 |
| 1941 |
759 |
2143 | (89) | 0 |
| 1942 |
673 |
2149 | (85) | 0 |
| 1943 |
616 |
2154 | (80) | 0 |
| 1944 |
585 |
2160 | (73) | 0 |
| 1945 |
599 |
2165 | (63) | 10 |
| 1946 |
672 |
2139 | (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] |
| |
