Rafi Uzzaman

• Username: 2★rafty
• Country:  India
• Student/Professional:Student
• Institution:IMS Engineering College, Ghaziabad, Delhi NCR 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: 14

Current Ratings Graph Old Ratings Graph

1540 (-30)RatingProvisional
Rating i Provisional Rating, click to know more

November Challenge 2018 Division 2(2018-11-12 15:00:02)

Global Rank:   7034

Cheated in:   

Ratings System Update

(2018-11-12 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?

1540 (+45)RatingProvisional
Rating i Provisional Rating, click to know more

November Challenge 2018 Division 2(2022-12-20 00:00:00)

Global Rank:   7034

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 (14)

February Challenge 2015

Let us play with rank list, Chef and Equality, Chef and Chain

March Challenge 2015

Chef and Notebooks

April Challenge 2015

Chef and Interview, Broken Telephone

May Challenge 2015

Chef and new recipe

August Challenge 2015

Gravity Guy, Cooking Machine, Aditi and Magic Trick

September Challenge 2015

Chain of Doughnuts, Count Steps in Matrix

October Challenge 2015

Who dares to be a millionaire, Count Subarrays

February Cook-Off 2015

Fit Squares in Triangle

April Cook-Off 2015

Equality, Version Control System

February Lunchtime 2015

Lucky Four

April Challenge 2016

Help Watson Escape, Chef and Ballons, Chef And Magical Path, Chef And Coloring

September Challenge 2016

Chef and digits of a number, Faded Palindromes, Chef and calculation

November Challenge 2018 Division 2

Chef and Difficult Contests

Total Problems Solved: 30