Koustav Chakraborty

• Username: 2★kc007
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Kharagpur West Bengal, 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

1528 (+33)RatingProvisional
Rating i Provisional Rating, click to know more

October Challenge 2020 Division 2(2020-10-12 15:00:02)

Global Rank:   3639

Cheated in:   

Ratings System Update

(2020-10-12 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?

1528 (-29)RatingProvisional
Rating i Provisional Rating, click to know more

October Challenge 2020 Division 2(2022-12-20 00:00:00)

Global Rank:   3639

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)

None

Practice Paths (0)

None

Contests (14)

March Challenge 2018 DIV 2

Mix the Colors, Chef and Glove, A Big Sale

April Lunchtime 2018 Division 2

Two vs Ten, The hardest gcd problem

April Challenge 2018 Division 2

Workers

May Challenge 2018 Division 2

Mighty Friend, Minimum Deletions, Xor Again, Fake Binary Search, Dibs on Fibs

June Challenge 2018 Division 2

Naive Chef

August Challenge 2018 Division 2

Spell Bob

September Challenge 2018 Division 2

Magician versus Chef

October Challenge 2018 Division 2

Chef and Serves

LoC April 2018 (Rated for Division 2)

Cricket Score

Encoder (Rated for Division 2)

Knight Chess, Paint the Wall

June Challenge 2020 Division 2

Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Chef and String, Chef and Price Control

October Challenge 2020 Division 2

Positive AND, Replace for X, Covid Run, Chef and Easy Queries

Total Problems Solved: 33