| Competition | Country | Date | Deadline | Age Limit | Next |
| Banff International String Quartet Competition | Canada | August 28 – September 2, 2007 | March 1, 2007 | Under the age of 35 on September 2, 2007 | 2010 |
| Lyons International Chamber Music Competition | France | October 26-29, 2009 | June 31, 2009 | The average age of the Quartet should not exceed 30 years old. | 2014 |
| ARD International Music Competition: String Quartet | Germany | September 2-19, 2008 | April 30, 2008 | Born 1979-1991 (average 29 years, only one person older than 29) | 2012 |
| International JOSEPH JOACHIM Chamber Music Competition | Germany | November 9-16, 2008 | July 30, 2008 | Average age of the ensemble members no higher than 35 on the November 10, 2008 | 2011 |
| International Competition for Chamber Music Ensembles “Premio Trio di Trieste” | Italy | May 18-23, 2009 | April 15, 2009 | Average age of the ensemble members no higher than 32 on December 31, 2009 | 2011 |
| International Competition for Chamber Music Ensembles "Premio Vittorio Gui" | Italy | February 15-22, 2009 | December 10, 2008 | Average age of the group under 33 years on December 10, 2008 | 2010 |
| International String Quartet Competition "Premio Paolo Borciani" | Italy | June 12-19, 2011 | January 31, 2011 | Global age of the ensemble: 128 years | 2014 |
| Osaka International Chamber Music Competition | Japan | May 20-28, 2008 | November 1, 2007 | Born between May 21, 1972 and May 20, 1992 | 2011 |
| Tromp International Music Competition | Netherlands | November 15-23, 2008 | May 1, 2008 | Average age of maximum 30 years on November 15, 2008 | 2010 |
| London International String Quartet Competition | UK | March 30 - April 5, 2009 | September 30, 2008 | Age of each musician in the quartet is under 35 years on April 5, 2009. | 2012 |
