 Aronin also played the Russian Championship at Gorky that same year; he tied for 2nd–4th places, with 7½/12, behind only Rashid Nezhmetdinov.Moving on to Moscow 1950 (18th URS-ch), this tournament marked the high point of his career, as he scored 11/17 for a tie of 2nd–4th places, behind only Paul Keres.He was exempt from qualifying the next year.