Yermolinsky tied for first with Vladislav Vorotnikov in the Leningrad City Chess Championship in 1985. In 1993, Yermolinsky won the U.S. Chess Championship, tying for first place with Alexander Shabalov. In 1996 he was the sole champion. He won the World Open in Philadelphia three times: in 1993, 1995 and 1996; in 1999 he shared first with nine other players, but Gregory Serper won the playoff. In 2001 he won the American Continental Championship in Cali, Colombia.1
In 2012 Yermolinsky was inducted into the US Chess Hall of Fame.2
He is a regular commentator and presenter on the Internet Chess Club.
"The Week in Chess 355". theweekinchess.com. Retrieved July 2, 2019. https://theweekinchess.com/html/twic355.html#5 ↩
Sands, David R. (October 23, 2012). "'The Yerminator' enters U.S. Chess Hall of Fame". Washington Times. Retrieved January 10, 2016. http://www.washingtontimes.com/news/2012/oct/23/sands-the-yerminator-enters-us-chess-hall-of-fame/ ↩