Abram Isaakovich Rabinovich[1] (5 January 1878 – 7 November 1943) was a Lithuanian–Russian chess player. He was champion of Moscow in 1926.
Rabinovich was born in Vilna, Lithuania (then the Russian Empire) into a Litvak family. His parents were Itzik (Isaac) Haimovich and Leia Leibovna Rabinovich, natives of Shnipishek. In 1903, Rabinovich tied for 11-12th places in Kiev (3rd All-Russian Masters' Tournament, Mikhail Chigorin won). In 1908, he took 19th in Prague (Oldřich Duras and Carl Schlechter won). In 1909, he tied for 2nd-3rd in Vilna (6th All-Russian Masters' Tournament; Akiba Rubinstein won). In 1911, he tied for 19th-21st in Carlsbad (Richard Teichmann won). In 1912, he took 18th in Vilna (Hauptturnier, Karel Hromádka won).[2]
During World War I, he moved to Moscow. In 1916, he tied for 4th-5th, and was 3rd in 1918. He tied for 5th-7th at the All-Russian Chess Olympiad (retroactively recognised as the first Soviet chess championship) at Moscow 1920. The event was won by Alexander Alekhine.[3] In 1924, he finished 12th in the 3rd USSR Championship, won by Efim Bogoljubov, in Moscow.[4] In 1925, he tied for 9th-10th places in Leningrad (4th USSR Championship; Bogoljubov won),[5] and took 4th in the Moscow Championship, won by Aleksandr Sergeyev.[6] In 1926, Rabinovich won the Moscow Championship.[7] The next year, he tied for 7th-9th (Nikolai Zubarev won).[8] Rabinovich won in Moscow in 1930 and that was his final successful result.[2]
Rabinovich died in Moscow on 7 November 1943.