Obaidur Rahman

• Username: 1★boogyvai
• Country:  Bangladesh
• Student/Professional:Student
• Institution:International Islamic University Chittagong 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: 11

Current Ratings Graph Old Ratings Graph

1248 (+25)RatingProvisional
Rating i Provisional Rating, click to know more

February Cook-Off 2022 Division 3(2022-02-21 22:30:04)

Global Rank:   2742

Cheated in:   

Ratings System Update

(2022-02-21 22:30:04)

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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1248 (-225)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   2742

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)

Practice Paths (1)

Practice for ZCO and INOI

1%

Contests (11)

November Challenge 2021 Division 3 (Rated)

Equal Coins, Which Fuel is Cheaper

CodeChef Starters 20 Division 3 (Rated)

Genes, Chef and Pal

C.O.D.E.R.S Division 3 (Rated)

The One with Russ, The One Where It All Began

FizzBuzz Division 3 (Rated)

Can_Reach, Can You Eat It

November Lunchtime 2021 Division 3

Chef and Stock Prices

December Cook-Off 2021 Division 3

Two Rooks, Friends Meetup

CodeChef Starters 21 Division 3 (Rated)

Devendra and Water Sports, Akash and Grid, Covid and Theatre Tickets

February Cook-Off 2022 Division 3

Lazy Salesman, Peaceful Party

Total Problems Solved: 38