RISHIKESH VYAS

• Username: 4★tethlok
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Guwahati Assam
• 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: 13

Current Ratings Graph Old Ratings Graph

1907 (+44)RatingProvisional
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June Challenge 2016(2016-06-15 15:00:00)

Global Rank:   588

Cheated in:   

Ratings System Update

(2016-06-15 15:00:00)

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1907 (-43)RatingProvisional
Rating i Provisional Rating, click to know more

June Challenge 2016(2022-12-20 00:00:00)

Global Rank:   588

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 (13)

October Challenge 2014

Magical Girl and Colored Liquid Potions, Chef and Ground

January Challenge 2015

Sereja and Votes, Gcd Queries, Chef and Stones

February Challenge 2015

Chef and Chain, Let us play with rank list, Chef and Equality

March Challenge 2015

Chef and Notebooks, Devu and his Class, Sign Wave

April Challenge 2015

Broken Telephone, Chef and Piano Scales, Chef and Interview

June Challenge 2015

Steady tables, Chef and His Friend, Chef and Memory Limit, Chef and Polygons, Anticommutative implication

August Challenge 2015

Chef and insomnia, Aditi and Magic Trick, Cooking Machine, Gravity Guy, Social Cluster, Way Out, Devu And Churu

October Challenge 2015

Time measure, Count Subarrays, Who dares to be a millionaire, Spheres, Cyclic shifts in permutation, Rupsa and Equilateral Triangle

August Cook-Off 2015

Chef and the XORed Number , Chef and the Wildcard Matching

April Challenge 2016

Help Watson Escape, Chef And Coloring, Chef And Magical Path, Devu and good strings, Chef and Ballons, Fibonacci Queries

June Challenge 2016

Chef And The Hiring Event, Chef and Array and K, Chef And Binary Operation, Chef and Coins Game, Devu and an Array

April Cook-Off 2016

Movie Weekend

Total Problems Solved: 92