Sebin Duke Stephan

• Username: 3★sebin
• Country:  India
• Student/Professional:Professional
• Organisation:ThoughtFocus
• CodeChef Pro Plan: No Active Plan. View Details

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Last 6 Months 2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 31

Current Ratings Graph Old Ratings Graph

1754 (-20)RatingProvisional
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January Challenge 2021 Division 2(2021-01-11 15:00:02)

Global Rank:   3092

Cheated in:   

Ratings System Update

(2021-01-11 15:00:02)

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1754 (+78)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   3092

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 (31)

April Challenge 2015

Broken Telephone, Chef and Interview, Chef and Piano Scales

June Challenge 2015

Chef and Memory Limit

July Challenge 2015

Bread, Na2a and lucky stone, Chef and Cube

August Challenge 2015

Gravity Guy, Cooking Machine, Aditi and Magic Trick

September Challenge 2015

Chain of Doughnuts, Count Steps in Matrix

October Challenge 2015

Time measure, Count Subarrays, Who dares to be a millionaire

July Cook-Off 2015

Cops and the Thief Devu

October Cook-Off 2015

Almost Sorted Permutation, Word Stem

February Lunchtime 2015

Lucky Four

August Lunchtime 2015

Minimum Maximum

October Lunchtime 2015

emitL

February Challenge 2016

Chef-Detective

March Challenge 2016

Palindromic substrings, maximize the sum, Chef And Special Dishes

April Challenge 2016

Chef and Ballons, Chef And Coloring, Chef And Magical Path, Help Watson Escape

August Challenge 2016

Chef and Chocolate

September Challenge 2016

Chef and digits of a number, Faded Palindromes, Chef and calculation

October Challenge 2016

Chef and Three Dogs, Fenwick Iterations, Sereja and Progressions, Chef and Keyboard

January Challenge 2017

Cats and Dogs

February Challenge 2017

Chef and His Apartment Dues

March Challenge 2017

Xenny and Alternating Tasks, Bear and Extra Number, (CH) Bear and Sorted Rows, Bandwidth of a matrix

July Challenge 2017

Calculator , Whats in the Name, Chef and Sign Sequences

August Long Challenge 2017

Chef and Rainbow Array, Chef and Mover, Palindromic Game, Greedy Candidates

September Challenge 2017

Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums

October Challenge 2017

Chef and a great voluntary Program, A Balanced Contest, Max Mex, Counter Test For CHEFSUM

August Cook-Off 2017

Real obtuse, From heaven to earth

February Challenge 2018

Chef And His Characters, Chef And The Patents, Car-pal Tunnel, Permutation and Palindrome

March Challenge 2018 DIV 2

A Big Sale, Chef and Glove, Mix the Colors

April Challenge 2018 Division 2

Weight of Numbers, Count Good Prefixes, Workers

April Lunchtime 2020 Division 2

Another Birthday Present!, Chef in Fantasy League

January Challenge 2021 Division 2

Fair Elections

Total Problems Solved: 106