Krush helped the U.S. women's team win silver at the 2004 Olympiad.
On October 31, 2004, Irina Krush contributed significantly to the U.S. women’s chess team's historic silver medal at the 36th Chess Olympiad in Calvià, Spain. This result was remarkable, as it marked one of the highest placements of the United States in women's team chess at the Olympiad. Playing on board two, Krush's performance was instrumental in achieving this success, demonstrating her strong strategic play and team synergy. The medal was a crowning achievement for the team and highlighted the ascent of U.S. women in international chess. The Olympiad, being one of the most prestigious team championships globally, is emblematic of the strength and competitive spirit of its participants.