Rishav Basu

• Username: 4★the_rb18
• Country:  India
• Student/Professional:Student
• Institution:Jadavpur University Kolkata, 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: 6

Current Ratings Graph Old Ratings Graph

1843 (+129)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   151

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

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1843 (-79)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   151

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 (6)

April Challenge 2020 Division 2

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

April Lunchtime 2020 Division 2

Another Birthday Present!, Chef in Fantasy League

June Challenge 2020 Division 2

Chef and Price Control, Chef and String, Covid Sampling (Challenge), Operations on a Tuple, The Tom and Jerry Game!, Even Matrix, Chef and Icecream

September Challenge 2020 Division 2

Ada Matrix, Coronavirus Spread 2, Find XOR, Chef and Trump Cards, A Problem on Sticks, Chefina and Swap

August Lunchtime 2020 Division 2

Game on a Strip, Mode of Frequencies

October Challenge 2020 Division 2

Positive AND, Replace for X, D-Dimensional MST, Covid Run, Chef and Easy Queries

Total Problems Solved: 131