October Mega Cook-Off 2018 Division 2
Ada and the Staircase, Binary Nim 2
November Challenge 2018 Division 2
Appy Loves One, Chef and Difficult Contests, Chef and Happiness
October Challenge 2018 Division 2
Chef and Serves, Byte to Bit
October Lunchtime 2018 Division 2
Three Friends, Coloring the Grid, Weird Question
Encoder (Rated for Division 2)
Knight Chess, Paint the Wall
January Challenge 2019 Division 2
Different Neighbours, A Pizza Slice, Fancy Quotes, Chef and Modulo Game, Distinct Pairs, Lucky Number Game, Yet Another Problem About Sequences
February Lunchtime 2019 Division 2
Average Number, The Tricky Deal
March Cook-Off 2019 Division 1
XOR N-bonacci Sequence, Markers and Caps
August Challenge 2019 Division 2
Dilemma, Zombie and the Caves, Distribute Apples, Guddu and his Mother, Football
August Cook-Off 2019 Division 2
Chef and Pepperoni Pizza, Chef Drinks Coke
UWCOI 2020 (Rated for all)
Button Pairs, Find maximum in an Array
July Cook-Off 2020 Division 1
What Is This, a Crossover Episode, Even-tual Reduction, OR-thodox Distinction, Path-etic Products
June Lunchtime 2020 Division 1
Maximum AND, Gold Mining, Square Submatrices
India