September Mega Cook-Off 2018 Division 2
ATM Machine, Make a Permutation, OneTwo
December Cook-Off 2018 Division 1
Yalalovichik Numbers, Yalalovichik Strings
September Challenge 2018 Division 2
Bad Shuffle, Chef and Adventures, War of XORs, Magician versus Chef
November Challenge 2018 Division 1
Appy Loves One, Good Median, Chef, Primes and Trees (Challenge), Magician versus Chef 2, Binary Strings
October Challenge 2018 Division 2
Beautiful Bricks, Chef and Circles, Byte to Bit, Chef and Serves, (Challenge) Chef and Takonemo, Chef and Surprise Chessboard, Minimize Digitsum, Appy and Balloons
September Lunchtime 2018 Division 2
Judging Delay, Opposite Cites, Chef Restaurant
January Challenge 2019 Division 1
Yet Another Problem About Sequences, Different Neighbours, Partition the Graph, Distinct Pairs, (Challenge) Chef and Matching Game, A Pizza Slice
