Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1932 |
936 |
2148 | (52) | 11 |
| 1933 |
842 |
2175 | (43) | 28 |
| 1934 |
791 |
2184 | (44) | 20 |
| 1935 |
791 |
2190 | (52) | 1 |
| 1936 |
787 |
2187 | (55) | 0 |
| 1937 |
765 |
2184 | (51) | 13 |
| 1938 |
779 |
2181 | (57) | 0 |
| 1939 |
739 |
2178 | (57) | 11 |
| 1940 |
703 |
2172 | (66) | 0 |
| 1941 |
683 |
2166 | (73) | 0 |
| 1942 |
660 |
2161 | (77) | 0 |
| 1943 |
661 |
2155 | (80) | 0 |
| 1944 |
664 |
2149 | (80) | 0 |
| 1945 |
724 |
2143 | (80) | 0 |
| 1946 |
750 |
2137 | (77) | 0 |
| 1947 |
657 |
2132 | (73) | 9 |
| 1948 |
478 |
2142 | (79) | 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 |
| |
