September Challenge 2018 Division 2
Magician versus Chef, Chef and Adventures
October Challenge 2018 Division 2
Chef and Serves, Byte to Bit
June Challenge 2019 Division 2
Road Signs, Chef and Proxy, Guddu on a Date
August Challenge 2019 Division 2
Dilemma, Football, Distribute Apples
August Challenge 2020 Division 2
Chef Wars - Return of the Jedi
February Challenge 2021 Division 3
Maximise Function, Highest Divisor
March Challenge 2021 Division 3
Chef and Groups, No Time to Wait
December Challenge 2021 Division 3 (Rated)
Utkarsh and Placement tests
May Long Two 2022 Division 3 (Rated)
Score High, Degree of Polynomial
June Long Two 2022 Division 4 (Rated)
Count the ACs, Make all equal using Pairs, Complementary Strand in a DNA, Fitness
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