Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1932 |
933 |
2144 | (52) | 11 |
| 1933 |
848 |
2171 | (43) | 28 |
| 1934 |
790 |
2179 | (44) | 20 |
| 1935 |
803 |
2183 | (52) | 1 |
| 1936 |
803 |
2178 | (55) | 0 |
| 1937 |
781 |
2174 | (51) | 13 |
| 1938 |
817 |
2167 | (57) | 0 |
| 1939 |
788 |
2160 | (57) | 11 |
| 1940 |
763 |
2145 | (68) | 0 |
| 1941 |
784 |
2130 | (75) | 0 |
| 1942 |
767 |
2115 | (81) | 0 |
| 1943 |
771 |
2100 | (84) | 0 |
| 1944 |
784 |
2085 | (86) | 0 |
| 1945 |
841 |
2071 | (87) | 0 |
| 1946 |
828 |
2056 | (87) | 0 |
| 1947 |
664 |
2041 | (86) | 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 |
| |
