Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1932 |
922 |
2139 | (53) | 11 |
| 1933 |
848 |
2165 | (44) | 28 |
| 1934 |
816 |
2169 | (47) | 20 |
| 1935 |
878 |
2164 | (61) | 1 |
| 1936 |
906 |
2151 | (71) | 0 |
| 1937 |
934 |
2138 | (79) | 0 |
| 1938 |
992 |
2125 | (85) | 0 |
| 1939 |
964 |
2113 | (90) | 0 |
| 1940 |
908 |
2100 | (93) | 0 |
| 1941 |
908 |
2087 | (96) | 0 |
| 1942 |
861 |
2074 | (97) | 0 |
| 1943 |
835 |
2062 | (98) | 0 |
| 1944 |
842 |
2049 | (98) | 0 |
| 1945 |
886 |
2036 | (97) | 0 |
| 1946 |
868 |
2023 | (96) | 0 |
| 1947 |
677 |
2011 | (93) | 9 |
Rating table notes
|
| Biographical data |
| Name: Grynfeld, Izaak |
| Also known as: Ignacy Branicki |
| Born: 12 Feb. 1912 |
| Died: 22 Feb. 2004 |
| |
| Notes: |
| According to Jahr, He changed his name to Ignacy Branicki at the end of 1954. Gaige gives his first name as 'Izak'; Jahr and Olimpbase as 'Izaak'. |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1947-1950, page 460 |
| Gaige, Chess Personalia, page 153 |
| Web |
| Bartelski, Wojciech. [2nd Polish Team Chess Championship: Katowice 1934, Łódź city] |
| Jahr, Przemysław. [Drużynowe Mistrzostwa Polski w Szachach 1934] |
| [Digitale Nieuwsbrief, September 2019], page 13 |
| |
