Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1932 |
926 |
2138 | (53) | 11 |
| 1933 |
852 |
2164 | (44) | 28 |
| 1934 |
818 |
2168 | (47) | 20 |
| 1935 |
876 |
2163 | (61) | 1 |
| 1936 |
904 |
2150 | (71) | 0 |
| 1937 |
933 |
2137 | (79) | 0 |
| 1938 |
989 |
2125 | (85) | 0 |
| 1939 |
965 |
2112 | (90) | 0 |
| 1940 |
909 |
2099 | (93) | 0 |
| 1941 |
915 |
2086 | (96) | 0 |
| 1942 |
869 |
2074 | (97) | 0 |
| 1943 |
837 |
2061 | (98) | 0 |
| 1944 |
846 |
2048 | (98) | 0 |
| 1945 |
890 |
2035 | (97) | 0 |
| 1946 |
875 |
2023 | (96) | 0 |
| 1947 |
693 |
2010 | (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 |
| |
