December Challenge 2018 Division 2
Chef and An Ideal Problem, Chef and Interactive Contests
November Challenge 2018 Division 2
Chef and Difficult Contests, Chef and Ridges
February Challenge 2019 Division 2
Appy and Contest, Deputy Chef
February Cook-Off 2019 Division 2
Buying New Tablet, Chef and Party
March Challenge 2019 Division 2
Chef and Number Game, Chef and a Beautiful Digit
April Cook-Off 2019 Division 2
Making a Meal, Chef Learning Hungarian Algorithm
June Challenge 2019 Division 2
Road Signs, Chef and Proxy, Guddu on a Date
August Challenge 2019 Division 2
Dilemma, Football, Distribute Apples, Zombie and the Caves, Guddu and his Mother
September Challenge 2019 Division 2
Chef and Good Subsequences, Easy Fibonacci, Chef Designed a Network, Chef and Interesting Subsequences
November Challenge 2019 Division 2
Hard Sequence, Weapon Value
January Challenge 2020 Division 2
Chef and Dynamo, Breaking Bricks, Doraemon
February Challenge 2020 Division 2
No Change Required, The Theatre Problem, School of Geometry, Hard Cash, (Challenge) Raisins, Long Contest and Cook Off Overlaps
September Lunchtime 2020 Division 2
GCD operations, Root the Tree, Watermelon
India