The USABO Open Exam is a 50-minute, multiple choice exam focusing on theoretical knowledge. The 2003 to
2018 Open Exams with answer keys may be found below. These questions are helpful tools in understanding
the breadth and depth of USABO content and may be used as a study guide. The exams have evolved over
the years to include more thought provoking, complex questions In addition, the 2003 to 2018 Semifinal Exams
with answer keys may be found below. The exams are proprietary and the property of the Center for
Excellence in Education and may not be distributed or stored electronically without the permission of the Center
for Excellence in Education.
Previous Open Exams
• 2003 Open Exam | Key
• 2004 Open Exam | Key
• 2005 Open Exam | Key
• 2006 Open Exam | Key
• 2007 Open Exam | Key
• 2008 Open Exam | Key
• 2009 Open Exam | Key
• 2010 Open Exam | Key
• 2011 Open Exam | Key
• 2012 Open Exam | Key
• 2013 Open Exam | Key
• 2014 Open Exam | Key
• 2015 Open Exam | Key
• 2016 Open Exam | Key
• 2017 Open Exam | Key
• 2018 Open Exam | Key
Previous Semifinal Exams
• 2003 Semifinal Exam | Key
• 2004 Semifinal Exam | Key
• 2005 Semifinal Exam | Key
• 2006 Semifinal Exam | Key
• 2007 Semifinal Exam | Key
• 2008 Semifinal Exam | Key
• 2009 Semifinal Exam | Key
• 2010 Semifinal Exam | Key
• 2011 Semifinal Exam | Key
• 2012 Semifinal Exam | Key
• 2013 Semifinal Exam | Key
• 2014 Semifinal Exam | Key
• 2015 Semifinal Exam | Key
• 2016 Semifinal Exam | Key
• 2017 Semifinal Exam | Key
• 2018 Semifinal Exam | Key
