18 June 2019

• 02:3402:34, 18 June 2019 diff hist 0 USAMO historical results →USAMO Perfect Scorers
• 02:3302:33, 18 June 2019 diff hist +23 USAMO historical results →USAMO Perfect Scorers

7 May 2019

• 15:4015:40, 7 May 2019 diff hist +4 2018 AIME I Problems/Problem 12 →Solution 7 (Quick guesswork for about 2 minutes remaining)
• 15:3915:39, 7 May 2019 diff hist +1 2018 AIME I Problems/Problem 12 →Solution 7 (Quick guesswork for about 2 minutes remaining)
• 15:3915:39, 7 May 2019 diff hist +93 2018 AIME I Problems/Problem 12 →Solution 7 (Quick guesswork for about 2 minutes remaining)
• 15:3715:37, 7 May 2019 diff hist +1 2018 AIME I Problems/Problem 12 →Solution 7 (Quick guesswork for about 3 minutes remaining)
• 15:3615:36, 7 May 2019 diff hist +499 2018 AIME I Problems/Problem 12 No edit summary

25 February 2019

• 02:1502:15, 25 February 2019 diff hist −186 2003 AIME I Problems/Problem 10 →Solution 6 (Very simple)
• 02:1402:14, 25 February 2019 diff hist +260 2003 AIME I Problems/Problem 10 →Solutions