November Challenge 2017
Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes
January Challenge 2018
K-Concatenation, Maximum Score, Rectangle, Partition the numbers
January Lunchtime 2018
Chef and Game with Sequence
February Challenge 2018
Car-pal Tunnel, Permutation and Palindrome, (Challenge) Biased Committee, Chef And The Patents, Chef And His Characters
June Challenge 2018 Division 2
Binary Shuffle, Naive Chef
August Challenge 2018 Division 2
Modular GCD, Problem Sort, Sheokand and Number, Spell Bob
December Challenge 2018 Division 2
Chef and An Ideal Problem, Chef and Interactive Contests, Chef and Interactive XOR, Max and Electrical Panel, Chef and Meatballs
November Challenge 2018 Division 2
Chef and Ridges, Appy Loves One, Chef, Primes and Trees (Challenge), Chef and Difficult Contests, Chef and Happiness
October Challenge 2018 Division 2
Chef and Serves, Byte to Bit
August Lunchtime 2018 Division 2
Chef and Problem Setting, Chef and Eid
October Lunchtime 2018 Division 2
Three Friends, Coloring the Grid
February Cook-Off 2019 Division 2
Buying New Tablet, Chef and Party
March Cook-Off 2019 Division 2
XOR N-bonacci Sequence, UEFA Champions League
July Challenge 2020 Division 1
Chefina and Swaps, Missing a Point, Doctor Chef
CodeChef Starters 21 Division 2 (Rated)
Akash and Grid, And Or Union
India