11 May 2013

• 19:2219:22, 11 May 2013 diff hist −6 2013 USAMO Problems/Problem 4 No edit summary
• 19:2119:21, 11 May 2013 diff hist +1,622 2013 USAMO Problems/Problem 4 No edit summary

14 June 2011

• 15:5115:51, 14 June 2011 diff hist 0 2005 AIME II Problems/Problem 5 →Solution II

12 June 2011

• 11:2811:28, 12 June 2011 diff hist +1 2011 AMC 12A Problems →Problem 23

7 November 2010

• 21:2021:20, 7 November 2010 diff hist −2 Missouri Mathcounts →MO State Team Members and Written Place (CD place if unknown)

21 October 2010

• 22:5222:52, 21 October 2010 diff hist +99 Missouri Mathcounts →MO State Team Members and Written Place (CD place if unknown)
• 22:4922:49, 21 October 2010 diff hist +84 Missouri Mathcounts →MO State Team Champions
• 22:4822:48, 21 October 2010 diff hist +11 Missouri Mathcounts →National Team Awards and Placement