February Challenge 2019 Division 2
Chef and Secret Ingredients, Chef and Magical Jars, Deputy Chef, Appy and Contest
February Lunchtime 2019 Division 2
Average Number, The Tricky Deal
May Cook-Off 2019 Division 2
Chain Reaction, Recover the Sequence
June Lunchtime 2019 Division 2
Magda and Silly Pairs, Ping Paja Pong
July Challenge 2019 Division 2
Minimum and Maximum, Chef and Mean
August Challenge 2019 Division 2
Dilemma, Football, Distribute Apples, Zombie and the Caves
September Lunchtime 2019 Division 2
Chef Feeds Cats, Find the Sum
October Challenge 2019 Division 2
Chef and Maximum Star Value, Array Modification, Operations on a Matrix, Phone Prices
December Challenge 2019 Division 2
Chefina and Ranges, Plus Multiply, Binary XOR, Easy Subsequence Selection, That Is My Score!
January Challenge 2020 Division 2
Chef and Dynamo, Breaking Bricks, Chefina and Prefix Suffix Sums, Equality, Doraemon
September Challenge 2020 Division 2
Chefina and Swap, A Problem on Sticks, Chef and Trump Cards, Find XOR, Ada Matrix, Coronavirus Spread 2
India