April Challenge 2016
Help Watson Escape, Chef And Coloring, Chef and Ballons, Chef And Magical Path
June Challenge 2016
Chef And The Hiring Event, Chef And Binary Operation, Chef and Coins Game, Devu and an Array
September Challenge 2016
Chef and digits of a number, Faded Palindromes, Chef and calculation
October Challenge 2016
Chef and Keyboard, Chef and Three Dogs
July Cook-Off 2016
Chef and Proportion, Chef and Numbers
October Cook-Off 2016
ChefWatson uses Social Network, Watson asks Does Permutation Exist
June Lunchtime 2016
Collisions, One more weird game
April Challenge 2017
Dish Of Life, Bear and Row 01, Bear and Clique Distances, Similar Dishes
June Challenge 2017
A Good Set, Xenny and Coin Rankings
January Challenge 2018
Maximum Score, Partition the numbers, String Merging, Rectangle
May Challenge 2018 Division 2
Mighty Friend, Minimum Deletions, Xor Again, Dibs on Fibs
August Challenge 2018 Division 2
Modular GCD, Problem Sort, Sheokand and Number, Spell Bob
India