Chayan Shah

• Username: 3★shahchayan9
• Country:  India
• Student/Professional:Student
• Institution:San Jose State University San Jose, California, United States
• 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

1612 (-10)RatingProvisional
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July Cook-Off 2020 Division 2(2020-07-20 00:00:02)

Global Rank:   3525

Cheated in:   

Ratings System Update

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

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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1612 (-6)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   3525

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 (14)

January Challenge 2020 Division 2

Breaking Bricks, Chef and Dynamo

March Challenge 2020 Division 2

XOR Engine, Pintu and Fruits

April Challenge 2020 Division 2

Sell All the Cars, COVID Pandemic and Long Queue

May Challenge 2020 Division 2

Coronavirus Spread, Isolation Centers

March Cook-Off 2020 Division 2

Find Your Gift

April Cook-Off 2020 Division 2

Matrix Decomposition, Lift Requests

May Cook-Off 2020 Division 2

Chef and Recipe, Chef, Chefina and Their Friendship

February Lunchtime 2020 Division 2

At the Gates

May Lunchtime 2020 Division 2

Weird Walk, Lost Weekends

UWCOI 2020 (Rated for all)

Button Pairs, Find maximum in an Array

June Challenge 2020 Division 2

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

July Cook-Off 2020 Division 2

Even-tual Reduction

June Lunchtime 2020 Division 2

Chef and Demonetisation, Increasing Decreasing

July Challenge 2021 Division 2 (Unrated)

XxOoRr, Maximum Production, Relativity

Total Problems Solved: 38