Krush advanced by winning her semi-final group in the 2010 Blitz Championship.
Irina Krush showcased her speed and aggressive playstyle by winning her semi-final group at the FIDE Women’s World Blitz Championship qualifier on September 16, 2010. With a 12/4/6 result in Moscow, she advanced to the final stages of the championship. Blitz chess is defined by its limited time control, pushing players to think quickly under pressure, a skill at which Krush excelled. Her success in this format exemplifies her adaptability and comprehensive skill set as a chess player, reinforcing her versatility across different forms of the game.