March Cook-Off 2019 Division 2
UEFA Champions League, Markers and Caps, Music Shopping, XOR N-bonacci Sequence
March Lunchtime 2019 Division 2
Corrupted Seven-Segment Display, Testing Robot, Pogo Stick Competition, Travelling Saleschef, Partition into Permutations
December Lunchtime 2019 Division 1
Stick and polygon, The Evil Professor, Frequency Function, Guess the number
March Cook-Off 2020 Division 1
Maximize Letter Beauty, Escape the Tree , Mysterious Sequence
January Lunchtime 2020 Division 1
Minimum and Maximum, Under the Tunnels, Folding Paper
UWCOI 2020 (Rated for all)
Button Pairs, Base Plans, Find maximum in an Array, Blocks, Mercury Poisoning
December Lunchtime 2020 Division 1 (Unrated)
Even Sequence, Three Letters, One Zero Swaps
Georgia