 The next year saw the Soviet Championship (16th URS-ch) held in Moscow, and Aronin scored 6/18, for 18th position.Aronin again won the Championship of Moscow Region (Oblast) in 1948 with an unbeaten score of 11½/13.He played in the Russian Championship at Saratov 1948, tying for 5th–6th places, with a score of 8½/15.