Krush won the 2013 U.S. Women’s Championship title in St. Louis.
Irina Krush captured the U.S. Women’s Championship title in St. Louis on October 13, 2013. This victory was part of a remarkable streak where she dominated American women’s chess by winning four consecutive U.S. Women's titles from 2012 to 2015. Her performance during these championships demonstrated not only consistency but also her tactical evolution and ability to adjust to varied competition pressures — solidifying her standing as a formidable force in the U.S. chess landscape. The 2013 title was significant in reinforcing her status within the sport, reflecting her dedication and long-standing contribution to enriching U.S. chess.