Naimul Haider Rafif

• Username: 2★rafi
• Country:  Bangladesh
• Student/Professional:Student
• Institution:North South University Dhaka, Bangladesh
• 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: 6

Current Ratings Graph Old Ratings Graph

1487 (+6)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2016(2016-04-11 17:00:00)

Global Rank:   3330

Cheated in:   

Ratings System Update

(2016-04-11 17:00:00)

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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1487 (-42)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2016(2022-12-20 00:00:00)

Global Rank:   3330

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 (6)

December Challenge 2013

Cube Cakes, Chef and Codes, Funny Marbles, Magic Pairs, Reign, Rectangular Queries

May Challenge 2014

Chef-jumping, Stone

June Challenge 2014

Chef and Subarray, Guessing Game

April Challenge 2015

Broken Telephone

September Challenge 2015

Count Steps in Matrix

April Challenge 2016

Chef and Ballons, Chef And Magical Path, Chef And Coloring

Total Problems Solved: 15