May Cook-Off 2019 Division 2
Misha and Nice Sets, Chain Reaction, Recover the Sequence
June Challenge 2019 Division 2
Road Signs, Chef and Proxy, Lent Money, Guddu on a Date, Chef and Ingredients, Sum and GCD, (Challenge) SnackDown 99
June Cook-Off 2019 Division 2
Eat Twice, Drink Slush, Multiple Choice Exam
July Challenge 2019 Division 1
Guess the Prime!, (Challenge) Codechef War II
August Challenge 2019 Division 1
Football, Chef and Gordon Ramsay, Maximize an Expression, Guddu and his Mother, Dilemma
August Cook-Off 2019 Division 1
Rich Substrings, Two Circles
September Challenge 2019 Division 1
Biladerim Icin, Fuzzy Linear Combinations, Chef Designed a Network
October Lunchtime 2020 Division 1
Chef Likes Good Sequences, Chef Is Just Throwing Random Words, Cute Chef Gift
Coders' Legacy (Rated for all)
Chef vs Doof, Doof on Cartesian, Doof fires Brackets
September Lunchtime 2020 Division 1
Root the Tree, Robot Detector
India