September Mega Cook-Off 2018 Division 2
Make a Permutation, ATM Machine
September Challenge 2018 Division 2
Magician versus Chef, War of XORs, Chef and Adventures, Table Game
February Challenge 2019 Division 2
Chef and Secret Ingredients
April Challenge 2019 Division 2
Playing with Numbers, Friend or Girlfriend, Maximum Remaining, Subtree Removal, Fencing
May Challenge 2019 Division 2
Where to Build the Roads, Reduce to One, Ada Rooks 2, (Challenge) Chef Exchange, Matches
October Challenge 2019 Division 1
Even Edges, Chef and Maximum Star Value, Array Modification, (Challenge) Maximizing LIS
November Challenge 2019 Division 1
From Zero to Infinity, (Challenge) Coloring Triangulations, Single Point of Failure, Smallest Beautiful Number, Physical Exercise
July Challenge 2020 Division 1
Chefina and Swaps, Chef and Dragon Dens, Missing a Point, Doctor Chef
Coders' Legacy (Rated for all)
Chef vs Doof, Doof on Cartesian, Doof fires Brackets
India