bobby

• Username: 4★bobby22
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Bombay Mumbai, Maharashtra, 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: 19

Current Ratings Graph Old Ratings Graph

1821 (+8)RatingProvisional
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July Cook-Off 2020 Division 2(2020-07-20 00:00:02)

Global Rank:   924

Cheated in:   

Ratings System Update

(2020-07-20 00:00:02)

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1821 (+37)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   924

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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Contests (19)

December Challenge 2018 Division 2

Chef and Interactive XOR, Chef and Interactive Contests, Chef and An Ideal Problem, Max and Electrical Panel

January Challenge 2019 Division 2

Lucky Number Game, Distinct Pairs, Chef and Modulo Game, Fancy Quotes

January Cook-Off 2019 Division 2

Ada School, Ada King

January Lunchtime 2019 Division 2

Rooks, The Nights Watch

February Challenge 2019 Division 2

Chef and Secret Ingredients, Deputy Chef, Art of Balance, (Challenge) Chef with Orchestra in the Kitchen, Appy and Contest, Chef and Magical Jars, Guess It Right, Manhattan Rectangle

February Lunchtime 2019 Division 1

The Tricky Deal

March Challenge 2019 Division 2

Chef and Number Game, Chef and a Beautiful Digit

December Challenge 2019 Division 2

Plus Multiply, Binary XOR, Easy Subsequence Selection, That Is My Score!, Addition

February Challenge 2020 Division 2

The Theatre Problem, Long Contest and Cook Off Overlaps, Hard Cash, No Change Required, School of Geometry

April Challenge 2020 Division 2

Strange Number, Squared Subsequences, Ready Bitwise, Unit GCD, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue

May Challenge 2020 Division 1

Triple Sort, Chef and Bitwise Product

April Cook-Off 2020 Division 2

Matrix Decomposition, Lift Requests, Simple Operations

May Cook-Off 2020 Division 1

Chef, Chefina and Their Friendship, Roads in Chefland

March Lunchtime 2020 Division 2 (Unrated)

Chef Swaps Digits, Good Prefix

April Lunchtime 2020 Division 1

Positive Mex

May Lunchtime 2020 Division 1

Convert the String

June Challenge 2020 Division 1

The Tom and Jerry Game!, Operations on a Tuple

July Challenge 2020 Division 1

Chefina and Swaps, Missing a Point, Doctor Chef

July Cook-Off 2020 Division 2

Even-tual Reduction, OR-thodox Distinction

June Lunchtime 2020 Division 1

Maximum AND

Total Problems Solved: 65