Ankur Dubey

• Username: 3★unseen07
• Country:  India
• Student/Professional:Other
• CodeChef Pro Plan: No Active Plan. View Details

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Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 32

Current Ratings Graph Old Ratings Graph

1737 (+49)RatingProvisional
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June Lunchtime 2021 Division 2(2021-06-26 22:45:02)

Global Rank:   178

Cheated in:   

Ratings System Update

(2021-06-26 22:45:02)

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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1737 (-156)RatingProvisional
Rating i Provisional Rating, click to know more

June Lunchtime 2021 Division 2(2022-12-20 00:00:00)

Global Rank:   178

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 (32)

February Challenge 2018

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

October Mega Cook-Off 2018 Division 2

Binary Nim 2, Ada and the Staircase, Pumping Water

May Challenge 2018 Division 2

Mighty Friend, Minimum Deletions, Xor Again

October Challenge 2018 Division 2

Byte to Bit, Chef and Circles, Chef and Serves, Chef and Surprise Chessboard, Minimize Digitsum, Beautiful Bricks, Appy and Balloons

September Lunchtime 2018 Division 2

Judging Delay, Opposite Cites, Chef Restaurant

October Lunchtime 2018 Division 2

Three Friends, Coloring the Grid, Weird Question

January Challenge 2019 Division 2

Fancy Quotes

February Challenge 2019 Division 2

Chef and Secret Ingredients, Deputy Chef, Art of Balance, Chef and Magical Jars, Appy and Contest

May Challenge 2019 Division 2

Reduce to One

June Challenge 2019 Division 2

Road Signs, Chef and Proxy, Guddu on a Date, Chef and Ingredients

July Challenge 2019 Division 2

Minimum and Maximum, Chef and Mean

August Challenge 2019 Division 2

Football, Zombie and the Caves, Distribute Apples, Dilemma

August Lunchtime 2019 Division 2

Eidi Gift, Destroy Cells, Chef and Trip

September Challenge 2019 Division 2

Chef and Good Subsequences, Easy Fibonacci, Chef and Interesting Subsequences

September Mega Cook-Off 2019 Division 2

Two Groups, Playing with Matches

October Challenge 2019 Division 1

Even Edges, Chef and Maximum Star Value, Array Modification

January Challenge 2020 Division 1

Chef and Dynamo, Doraemon

April Challenge 2020 Division 2

COVID Pandemic and Long Queue

July Challenge 2020 Division 2

Ada King, Chefina and Swaps, Missing a Point, Chef and Card Game, Chef and Strings

August Challenge 2020 Division 2

Chef Wars - Return of the Jedi, Smallest KMP, Chef and Linear Chess, Another Card Game Problem

September Challenge 2020 Division 2

A Problem on Sticks, Ada Matrix

November Challenge 2020 Division 2

Restore Sequence, Ada and Dishes

January Challenge 2021 Division 2

Fair Elections

December Challenge 2020 Division 2

Vaccine Distribution, Positive Prefixes, Vaccine Production, Hail XOR, Even Pair Sum

September Cook-Off 2020 Division 2

Bowling Strategy

February Challenge 2021 Division 2

Frog Sort, Maximise Function

March Cook-Off 2021 Division 3

Guess the Number, Weight Balance, Matrix XOR, Chef and Sorting, Pawri Meme, Consecutive Deletions

March Challenge 2021 Division 3

Interesting XOR!, Chef and Groups, Space Arrays, No Time to Wait

May Cook-Off 2021 Division 2

The Last Problem

June Cook-Off 2021 Division 2

The Wave

June Lunchtime 2021 Division 2

From Rational to Binary, False Number, Unpleasant Ones, Tic Tac Toe

Total Problems Solved: 111