Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1932 |
939 |
2146 | (52) | 11 |
| 1933 |
853 |
2174 | (43) | 28 |
| 1934 |
794 |
2183 | (44) | 20 |
| 1935 |
795 |
2188 | (52) | 1 |
| 1936 |
792 |
2186 | (55) | 0 |
| 1937 |
768 |
2183 | (51) | 13 |
| 1938 |
779 |
2180 | (57) | 0 |
| 1939 |
742 |
2177 | (57) | 11 |
| 1940 |
700 |
2171 | (66) | 0 |
| 1941 |
685 |
2165 | (73) | 0 |
| 1942 |
668 |
2159 | (77) | 0 |
| 1943 |
666 |
2153 | (80) | 0 |
| 1944 |
670 |
2147 | (81) | 0 |
| 1945 |
730 |
2141 | (80) | 0 |
| 1946 |
753 |
2134 | (78) | 0 |
| 1947 |
666 |
2128 | (73) | 9 |
| 1948 |
485 |
2138 | (80) | 4 |
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 |
| |
