Rahul Kumar

• Username: 1★kraken7
• Country:  India
• Student/Professional:Student
• Institution:Birla Institute of Technology Mesra Ranchi, Jharkhand, 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: 10

Current Ratings Graph Old Ratings Graph

1363 (+61)RatingProvisional
Rating i Provisional Rating, click to know more

May Cook-Off 2021 Division 3(2021-05-24 00:00:04)

Global Rank:   355

Cheated in:   

Ratings System Update

(2021-05-24 00:00:04)

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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1363 (-173)RatingProvisional
Rating i Provisional Rating, click to know more

May Cook-Off 2021 Division 3(2022-12-20 00:00:00)

Global Rank:   355

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 (10)

December Challenge 2018 Division 2

Chef and Interactive Contests, Chef and An Ideal Problem

January Challenge 2019 Division 2

Fancy Quotes

January Challenge 2020 Division 2

Breaking Bricks

March Challenge 2020 Division 2

Pintu and Fruits

April Challenge 2020 Division 2

Sell All the Cars, COVID Pandemic and Long Queue

May Challenge 2020 Division 2

Coronavirus Spread, Isolation Centers

May Cook-Off 2021 Division 3

The Last Problem, Marathon, Vaccine Drive

Total Problems Solved: 21