Izaak Grynfeld (born 12 February 1912, date of death unknown), later known as Ignacy Branicki , was a Polish-born Israeli chess master.
After years of playing chess professionally in Europe, he immigrated to Israel and changed his name around 1955 to Ignacy Branicki.
After World War II, he played six-times in Polish championships (1946–1953).
[6] He represented Poland in the 10th Chess Olympiad at Helsinki 1952, winning the silver medal at second reserve board (+5 –1 =4) there.
[7] He also played for Poland in friendly matches: POL–CSR at Katowice 1949, POL–HUN at Warsaw 1949, and POL–HUN–GDR at Görlitz 1952.