Rishav Chatterjee

• Username: 3★rishav_2020
• Country:  India
• Student/Professional:Student
• Institution:Heritage Institute of Technology, Kolkata
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jul-Dec)2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 8

Current Ratings Graph Old Ratings Graph

1691 (+108)RatingProvisional
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September Challenge 2021 Division 3 (Rated)(2021-09-13 15:00:00)

Global Rank:   148

Cheated in:   

Ratings System Update

(2021-09-13 15:00:00)

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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1691 (+9)RatingProvisional
Rating i Provisional Rating, click to know more

September Challenge 2021 Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   148

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 (8)

May Cook-Off 2021 Division 3

Marathon, The Last Problem, Vaccine Drive

May Lunchtime 2021 Division 2

Tom And Jerry 1

May Challenge 2021 Division 3 (Rated)

Xor Equality, Tic Tac Toe, Modular Equation, Golf, Solubility

June Challenge 2021 Division 3 (Rated)

Minimum Dual Area, Shortest Route, Bitwise Tuples, Bella ciao, Summer Heat, Minimum Subtree Cover

June Cook-Off 2021 Division 2

The Wave

June Lunchtime 2021 Division 3

Unpleasant Ones, HTML Tags, False Number, Richie Rich

July Challenge 2021 Division 2 (Unrated)

XxOoRr, Chef vs Bharat, Optimal Denomination, Maximum Production, Relativity

August Challenge 2021 Division 2 (Unrated)

Problem Difficulties, Olympics Ranking, Chef and Bulb Invention

CodeChef Starters 10 Division 2 (Rated)

Maximise the Subsequence Sum

September Challenge 2021 Division 3 (Rated)

XOR Equal, Shuffling Parities, Minimize Digit Sum, 2-D Point Meeting, Airline Restrictions, Travel Pass

Total Problems Solved: 50