21 October 2023

• 03:2503:25, 21 October 2023 diff hist 0 m 2018 AIME I Problems/Problem 14 →Solution 2

1 August 2020

• 22:5222:52, 1 August 2020 diff hist +1 m 2003 AIME II Problems/Problem 12 →Solution

25 July 2020

• 23:5923:59, 25 July 2020 diff hist −2 m 2008 AIME II Problems/Problem 13 →Solution 2

20 July 2020

• 18:5218:52, 20 July 2020 diff hist −3 m 2013 AIME II Problems/Problem 12 →Solution
• 15:3815:38, 20 July 2020 diff hist +37 m 2016 AIME II Problems/Problem 10 →Solution 1

19 July 2020

• 23:3623:36, 19 July 2020 diff hist +1 m 2014 AIME II Problems/Problem 12 →Solution 1
• 23:3423:34, 19 July 2020 diff hist +74 m 2014 AIME II Problems/Problem 12 →Solution 1

17 July 2020

• 19:4419:44, 17 July 2020 diff hist +2 m 2015 AIME II Problems/Problem 15 →Solution 2
• 19:0619:06, 17 July 2020 diff hist 0 m 2015 AIME II Problems/Problem 11 →Solution 1

12 July 2020

• 23:3623:36, 12 July 2020 diff hist 0 m 2019 AIME I Problems/Problem 11 →Solution 2 (Lots of Pythagorean Theorem)
• 23:3323:33, 12 July 2020 diff hist 0 m 2019 AIME I Problems/Problem 11 →Solution 2 (Lots of Pythagorean Theorem)
• 23:1823:18, 12 July 2020 diff hist −7 m 2019 AIME I Problems/Problem 7 →Solution 1

7 July 2020

• 18:3818:38, 7 July 2020 diff hist +20 m 2014 AIME I Problems/Problem 13 →Solution
• 18:3118:31, 7 July 2020 diff hist −1 m 2014 AIME I Problems/Problem 10 →Solution 1

4 July 2020

• 16:1616:16, 4 July 2020 diff hist 0 2011 AIME I Problems/Problem 14 →Solution 1
• 16:1416:14, 4 July 2020 diff hist 0 2011 AIME I Problems/Problem 14 →Solution 1
• 14:1414:14, 4 July 2020 diff hist 0 2011 AIME I Problems/Problem 7 →Solution 1
• 14:1314:13, 4 July 2020 diff hist 0 2011 AIME I Problems/Problem 7 →Solution 1
• 14:0814:08, 4 July 2020 diff hist −4 m 2011 AIME I Problems/Problem 4 →Solution 1

1 July 2020

• 23:0423:04, 1 July 2020 diff hist −50 m 2008 AIME I Problems/Problem 12 →Solution 2

25 June 2020

• 19:2019:20, 25 June 2020 diff hist −21 m 2005 AIME I Problems/Problem 15 →Solution 1

10 June 2020

• 16:4616:46, 10 June 2020 diff hist 0 m 2010 AMC 12B Problems/Problem 24 →Solution 3
• 16:4416:44, 10 June 2020 diff hist +1 m 2010 AMC 12B Problems/Problem 24 →Solution 3

17 May 2020

• 14:5914:59, 17 May 2020 diff hist +120 m 2020 AMC 12A Problems/Problem 9 →Solution

3 May 2020

• 20:5820:58, 3 May 2020 diff hist +9 m 2013 AMC 12A Problems/Problem 20 →Solution 1
• 20:5320:53, 3 May 2020 diff hist +1 m 2013 AMC 12A Problems/Problem 20 →Solution

26 April 2020

• 20:2320:23, 26 April 2020 diff hist +1 m 2010 AMC 12A Problems/Problem 24 →Solution
• 20:1420:14, 26 April 2020 diff hist +1 m 2010 AMC 12A Problems/Problem 23 →Solution

10 April 2020

• 20:5620:56, 10 April 2020 diff hist +12 m 2019 AMC 12B Problems/Problem 25 →Problem