Removed Account

• Username: 1★rizwanobey
• 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: 31

Current Ratings Graph Old Ratings Graph

1170 (-22)RatingProvisional
Rating i Provisional Rating, click to know more

July Challenge 2020 Division 2(2020-07-13 15:00:02)

Global Rank:   26227

Cheated in:   

Ratings System Update

(2020-07-13 15:00:02)

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?

1170 (-110)RatingProvisional
Rating i Provisional Rating, click to know more

July Challenge 2020 Division 2(2022-12-20 00:00:00)

Global Rank:   26227

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 (31)

November Challenge 2017

Periodic Palindrome Construction, Villages and Tribes, Chef goes Left Right Left

October Cook-Off 2017

Chef and Employment Test

September Lunchtime 2017

Chef and Cook-Off Contests

January Challenge 2018

Rectangle

February Challenge 2018

Chef And His Characters, Chef And The Patents, Car-pal Tunnel, Permutation and Palindrome

February Cook-Off 2018

Chef and Cook-Off

March Challenge 2018 DIV 2

A Big Sale, Chef and Glove

September Mega Cook-Off 2018 Division 2

ATM Machine

March Lunchtime 2018 Division 2 (Unrated)

Chef and Friends, Magic Elements

April Challenge 2018 Division 2

Workers

June Challenge 2018 Division 2

Naive Chef

August Challenge 2018 Division 2

Problem Sort, Sheokand and Number, Spell Bob

September Challenge 2018 Division 2

Magician versus Chef

December Challenge 2018 Division 2

Chef and Interactive Contests

August Lunchtime 2018 Division 2

Chef and Problem Setting, Chef and Eid

Code Melange (Rated)

The Deadly Sin, Candy Love

March Cook-Off 2020 Division 2

Find Your Gift

July Challenge 2020 Division 2

Chef and Strings

Total Problems Solved: 74