January Challenge 2018
Maximum Score, Rectangle, K-Concatenation
February Challenge 2018
Chef And His Characters, Chef And The Patents
March Lunchtime 2018 Division 2 (Unrated)
Chef and Friends, Magic Elements
November Challenge 2018 Division 2
Chef and Difficult Contests
March Challenge 2019 Division 2
Chef and a Beautiful Digit
July Cook-Off 2019 Division 2
Playing with Strings, Two Variables
August Challenge 2019 Division 2
Dilemma, Football, Distribute Apples, Zombie and the Caves
February Challenge 2020 Division 2
No Change Required, The Theatre Problem, School of Geometry, Hard Cash
India