Karna

• Username: 2★karna__shah
• Country:  India
• Student/Professional:Student
• Institution:Charotar University of Science and Technology Anand, Gujarat
• 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: 10

Current Ratings Graph Old Ratings Graph

1494 (+44)RatingProvisional
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May Challenge 2021 Division 2 (Rated)(2021-05-17 15:00:02)

Global Rank:   2774

Cheated in:   

Ratings System Update

(2021-05-17 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?

1494 (-160)RatingProvisional
Rating i Provisional Rating, click to know more

May Challenge 2021 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   2774

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 (10)

January Challenge 2020 Division 2

Breaking Bricks, Chef and Dynamo

February Challenge 2020 Division 2

No Change Required, The Theatre Problem, School of Geometry, Hard Cash

April Challenge 2020 Division 2

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

July Challenge 2020 Division 2

Ada King, Missing a Point, Doctor Chef, Chef and Card Game, Chef and Strings

January Challenge 2021 Division 3

Fair Elections, Encoded String, Point Of Impact, Chef and Division 3

February Challenge 2021 Division 3

Frog Sort, Team Name, Chef and Meetings, Prime Game, Maximise Function, Highest Divisor

April Challenge 2021 Division 2

Chef and Dice, Valid Pair, World Record, Strong Language

May Challenge 2021 Division 2 (Rated)

Xor Equality, Tic Tac Toe, Modular Equation

Total Problems Solved: 46