Abhinav Mathur

• Username: 4★darth_chef
• Country:  India
• Student/Professional:Student
• Institution:Delhi Technological University New Delhi, India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 21

Current Ratings Graph Old Ratings Graph

1800 (+27)RatingProvisional
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March Challenge 2021 Division 2(2021-03-15 15:00:02)

Global Rank:   623

Cheated in:   

Ratings System Update

(2021-03-15 15:00:02)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

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1800 (-76)RatingProvisional
Rating i Provisional Rating, click to know more

March Challenge 2021 Division 2(2022-12-20 00:00:00)

Global Rank:   623

Cheated in:   

Ratings System Update

(2022-12-20 00:00:00)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

How the rating system works?

Learning Paths (0)

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Practice Paths (0)

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Contests (21)

August Cook-Off 2018 Division 2

Mixi Game

September Mega Cook-Off 2018 Division 2

ATM Machine, Make a Permutation

October Mega Cook-Off 2018 Division 2

Ada and the Staircase

September Challenge 2018 Division 2

Magician versus Chef, War of XORs, Chef and Adventures, Table Game, Bad Shuffle

December Challenge 2018 Division 2

Max and Electrical Panel, Chef and An Ideal Problem, Chef and Interactive Contests

November Challenge 2018 Division 2

Chef and Ridges, Chef and Difficult Contests, Chef and Happiness

October Challenge 2018 Division 2

Chef and Serves, Chef and Circles, Byte to Bit, Minimize Digitsum, Appy and Balloons

September Lunchtime 2018 Division 2

Judging Delay

January Challenge 2019 Division 2

Lucky Number Game, Distinct Pairs, Chef and Modulo Game, Fancy Quotes

February Challenge 2019 Division 2

Chef and Magical Jars, Deputy Chef, Appy and Contest, Chef and Secret Ingredients, Manhattan Rectangle

March Challenge 2019 Division 2

Chef got Recipes, Chef and Number Game, Chef and a Beautiful Digit

April Challenge 2019 Division 2

Friend or Girlfriend, Fencing, Maximum Remaining

June Challenge 2019 Division 2

Road Signs, Chef and Proxy, Guddu on a Date, Chef and Ingredients

September Challenge 2019 Division 2

Chef and Good Subsequences, Easy Fibonacci, Fuzzy Linear Combinations, Chef Designed a Network, Chef and Interesting Subsequences

October Challenge 2019 Division 1

Even Edges, Chef and Maximum Star Value, Array Modification

February Challenge 2020 Division 1

Long Contest and Cook Off Overlaps, No Change Required, Chef and Railway Stations, Expected Change

April Challenge 2020 Division 1

Strange Number, Squared Subsequences, Ready Bitwise, Leaked Answers (Challenge)

February Challenge 2021 Division 2

Prime Game, Maximise Function, Multiple Games, Team Name, Frog Sort

March Challenge 2021 Division 2

Interesting XOR!, Dense Graph, College Life 4, Consecutive Adding, Paparazzi Gennady, Space Arrays

Total Problems Solved: 79