Career
Born in Moscow, he was one of the strongest masters in his home town around 1900. In 1916, he took 2nd, behind Alekhine, in Moscow. He also took 2nd, behind Alekhine, and ahead of Abram Rabinovich, at Moscow 1918 (Triangular).
Nenarokov was awarded the International Master title in 1950.
He is an author of many chess books, focusing on the chess opening. In addition to some good introductory books, he also wrote a more advanced book on the Ruy Lopez (Moscow–Leningrad 1932) that was later published in German.