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
November Challenge 2018 Division 2
Chef and Ridges, Appy Loves One, Good Median, Chef and Difficult Contests, Chef and Happiness
October Challenge 2018 Division 2
Minimize Digitsum, Chef and Serves, Byte to Bit, Chef and Circles
October Lunchtime 2018 Division 2
Coloring the Grid, Three Friends
February Lunchtime 2019 Division 2
Average Number, The Tricky Deal
March Challenge 2019 Division 1
Chef and a Beautiful Digit
May Challenge 2019 Division 2
Ada Rooks 2, Matches, Reduce to One, Where to Build the Roads
August Challenge 2019 Division 1
Guddu and his Mother, Encoding, Dilemma, Maximize an Expression, Chef and Gordon Ramsay
