May Challenge 2018 Division 2
Minimum Deletions, Mighty Friend, Dibs on Fibs, Fake Binary Search, Xor Again
June Challenge 2018 Division 2
Binary Shuffle, Naive Chef
ProCon 2018 (Rated for all)
The Great Run, Kill them with your success
July Challenge 2019 Division 2
Parity Again, Minimum and Maximum, Chef and Mean
August Challenge 2019 Division 2
Dilemma, Football, Distribute Apples, Zombie and the Caves
January Challenge 2020 Division 2
Chef and Dynamo, Breaking Bricks
February Challenge 2020 Division 2
School of Geometry, Hard Cash
March Challenge 2020 Division 2
XOR Engine, Ada Bishop 2, Pintu and Fruits
August Challenge 2020 Division 2
Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP
September Challenge 2020 Division 2
Chefina and Swap, A Problem on Sticks, Find XOR, Ada Matrix, Coronavirus Spread 2
India