RAHUL KUMAR SINGH

• Username: 2★rjrahul003
• Country:  India
• Student/Professional:Professional
• Organisation:Amazon web services
• 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

1470 (+45)RatingProvisional
Rating i Provisional Rating, click to know more

February Challenge 2021 Division 3(2021-02-15 15:00:04)

Global Rank:   258

Cheated in:   

Ratings System Update

(2021-02-15 15:00:04)

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?

1470 (-165)RatingProvisional
Rating i Provisional Rating, click to know more

February Challenge 2021 Division 3(2022-12-20 00:00:00)

Global Rank:   258

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)

January Challenge 2019 Division 2

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

February Challenge 2019 Division 2

Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Art of Balance, Deputy Chef

March Challenge 2019 Division 2

Chef and Number Game

December Challenge 2019 Division 2

Plus Multiply, That Is My Score!

December Lunchtime 2019 Division 2

Check Algorithm

January Challenge 2020 Division 2

Chef and Dynamo, Breaking Bricks

February Challenge 2020 Division 2

The Theatre Problem, School of Geometry, Hard Cash

March Challenge 2020 Division 2

Pintu and Fruits

April Challenge 2020 Division 2

Sell All the Cars, COVID Pandemic and Long Queue

February Lunchtime 2020 Division 2

At the Gates

July Challenge 2020 Division 2

Chef and Strings, Chef and Card Game, Ada King, Missing a Point

August Challenge 2020 Division 2

Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess

September Challenge 2020 Division 2

Chefina and Swap, A Problem on Sticks, Ada Matrix, Coronavirus Spread 2

July Lunchtime 2020 Division 2

Chef and Steps

October Challenge 2020 Division 2

Positive AND, Covid Run, Chef and Easy Queries

October Lunchtime 2020 Division 2

AND Plus OR

Code Ensemble (Rated for Division 2)

Priya and AND

January Challenge 2021 Division 3

Fair Elections, Chef and Division 3, Point Of Impact

February Challenge 2021 Division 3

Frog Sort, Team Name, Chef and Meetings, Prime Game, Multiple Games, XOR Sums, Maximise Function, Highest Divisor

Total Problems Solved: 76