Petrosian lived in Moscow from 1949.
In the 1960s and 1970s, he lived at 59 Pyatnitskaya Street.
When asked by Anthony Saidy whether he is Russian, Petrosian replied: "Abroad, they call us all Russians.
I am a Soviet Armenian."

In 1952, Petrosian married Rona Yakovlevna (née Avinezer, 1923–2005), a Russian Jew born in Kiev, Ukraine.
A graduate of the Moscow Institute of Foreign Languages, she was an English teacher and interpreter.
She is buried at the Jewish section of the Vostryakovsky cemetery in Moscow.
They had two sons: Vartan and Mikhail.
The latter was Rona's son from the first marriage.

His hobbies included soccer, backgammon, cross-country skiing, table tennis, and gardening.

Petrosian died of stomach cancer on August 13, 1984, in Moscow and is buried in the Moscow Armenian Cemetery.
Petrosian lived in Moscow from 1949. In the 1960s and 1970s, he lived at 59 Pyatnitskaya Street. When asked by Anthony Saidy whether he is Russian, Petrosian replied: "Abroad, they call us all Russians. I am a Soviet Armenian." 
In 1952, Petrosian married Rona Yakovlevna (née Avinezer, 1923–2005), a Russian Jew born in Kiev, Ukraine. A graduate of the Moscow Institute of Foreign Languages, she was an English teacher and interpreter. She is buried at the Jewish section of the Vostryakovsky cemetery in Moscow. They had two sons: Vartan and Mikhail. The latter was Rona's son from the first marriage. 
His hobbies included soccer, backgammon, cross-country skiing, table tennis, and gardening. 
Petrosian died of stomach cancer on August 13, 1984, in Moscow and is buried in the Moscow Armenian Cemetery.
Tigran Petrosian