|FIDE rating||2511 (May 2017)|
|Peak rating||2555 (July 2008)|
Eugene Perelshteyn (born 1980) is a chess grandmaster and author. He earned the International Master title in 2001 and the Grandmaster title in 2006. He won the U.S. Junior Closed Championship in 2000.
In 2001, Perelsteyn was awarded the Samford Chess Fellowship  by the US Chess Trust. After taking two years off from school to play chess professionally, Perelshteyn returned to the University of Maryland, Baltimore County and graduated in 2004.
He was also the winner of the tournament "The Spice Cup" in 2007. His peak FIDE rating is 2555 (achieved in July 2008), and his current rating is 2515. Among active chess players in the United States, Perelsteyn is currently ranked 34th.
In the Spice Cup 2009, Perelshteyn tied for first in the B group with 6 points. Perelshteyn has also placed 2nd in the Canadian Open Championship (2012) and tied for first in the Golden State Open (2016).
He is co-author of Chess Openings for Black, Explained: A Complete Repertoire by Lev Alburt, Roman Dzindzichashvili and Eugene Perelshteyn (Jan 6, 2009), and Chess Openings for White, Explained: Winning with 1.e4, by Lev Alburt, Roman Dzindzichashvili and Eugene Perelshteyn (Mar 30, 2010).
In August 2015, Perelshteyn developed the Android application, Chess Genie, which offers tactical exercises to its users.
- "Eugene Perelshteyn". Boston Blitz. Retrieved 2012-01-01.
- "FIDE Chess ratings: Perelshteyn, Eugene (USA)". Ratings.fide.com. Retrieved 2014-12-15.
- "Chess, Goddess and Everything: 2009 SPICE Cup". Goddesschess.blogspot.com. 2009-09-03. Retrieved 2012-01-01.
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