November Challenge 2019 Division 2
Physical Exercise, Hard Sequence, Weapon Value, Chef and Minimum Colouring
December Challenge 2019 Division 2
Plus Multiply, Easy Subsequence Selection, That Is My Score!
January Challenge 2020 Division 2
Equality, Breaking Bricks, Doraemon, Chef and Dynamo
February Challenge 2020 Division 2
No Change Required, The Theatre Problem, School of Geometry, Hard Cash
April Challenge 2020 Division 1
Strange Number, Squared Subsequences
February Cook-Off 2020 Division 2
XOR Game, Penalty Shoot-Out II, Tax Slabs
March Cook-Off 2020 Division 2
Box of Chocolates, Find Your Gift, Mysterious Sequence
April Cook-Off 2020 Division 2
Matrix Decomposition, Lift Requests, Simple Operations
February Lunchtime 2020 Division 2
At the Gates, Swapping to Palindrome, Not All Flavours
UWCOI 2020 (Rated for all)
Button Pairs, Find maximum in an Array
July Cook-Off 2020 Division 1
Even-tual Reduction, OR-thodox Distinction
RECode 12.0 (Rated for all)
Chef and String, Chef and Numbers, Chef and Rotation
January Cook-Off 2021 Division 2
Prime Tuples, Maximise Islands
January Lunchtime 2021 Division 2 (Unrated)
Binary Subsequence, Even Differences, Even Sum
November Cook-Off 2020 Division 1
Flip the String, Chef and IPC Certificates
Coders' Legacy (Rated for all)
Chef vs Doof, Doof on Cartesian, Doof fires Brackets
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