Ritesh Kumar

• Username: 3★betaphoenix
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Kanpur
• 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: 45

Current Ratings Graph Old Ratings Graph

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March Challenge 2021 Division 2(2021-03-15 15:00:02)

Global Rank:   5346

Cheated in:   

Ratings System Update

(2021-03-15 15:00:02)

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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1721 (-59)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   5346

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 (45)

January Challenge 2018

Rectangle

June Cook-Off 2018 Division 2

Archi and Comparsion

September Mega Cook-Off 2018 Division 2

Make a Permutation, ATM Machine

December Cook-Off 2018 Division 2

Camp Or Not

May Lunchtime 2018 Division 2

Trace of Matrix

June Challenge 2018 Division 2

Naive Chef

July Challenge 2018 Division 2

Magic Set, Strike or Spare

September Challenge 2018 Division 2

Magician versus Chef

December Challenge 2018 Division 2

Chef and Meatballs, Chef and An Ideal Problem, Chef and Interactive Contests, Chef and Interactive XOR, Max and Electrical Panel

November Challenge 2018 Division 2

Chef and Ridges, Chef and Difficult Contests, Chef and Happiness

October Challenge 2018 Division 2

Chef and Serves, Byte to Bit

Quick Code (Rated for Division 2)

Dr Geros lab, Immortal Frieza

December Lunchtime 2018 Division 1

Choosing from Buckets, Age Calculator

January Challenge 2019 Division 1

Yet Another Problem About Sequences, Different Neighbours, Partition the Graph, Distinct Pairs, (Challenge) Chef and Matching Game, A Pizza Slice

January Cook-Off 2019 Division 1

Ada School

Plinth-Enigma'19 LNMIIT Techfest - (Rated for all)

XOR! Wait for it, Return of the Gargoyle King

January Lunchtime 2019 Division 1

Distances, Rooks

February Challenge 2019 Division 1

Chef and Secret Ingredients

May Cook-Off 2019 Division 1

Misha and Nice Sets, Expected Xor

May Lunchtime 2019 Division 1 (Unrated)

Grid Tour, Reverse Maximisation

June Challenge 2019 Division 1

Sum and GCD, Lent Money, Chef and Ingredients

June Lunchtime 2019 Division 2

Magda and Silly Pairs, Ping Paja Pong

July Challenge 2019 Division 2

Parity Again, Circular Merging, Minimum and Maximum, Chef and Mean

July Cook-Off 2019 Division 2

Birthday Gift Again, Playing with Strings, Two Variables

August Cook-Off 2019 Division 2

Chef and Pepperoni Pizza, Chef Drinks Coke, Two Circles, Rich Substrings

September Lunchtime 2019 Division 2

Chef Feeds Cats, Chef and Football Match, All Substrings, Find the Sum

October Challenge 2019 Division 1

Even Edges, Chef and Maximum Star Value, Array Modification

December Cook-Off 2019 Division 1

Xor It

January Challenge 2020 Division 1

Doraemon, Chef and Dynamo

April Challenge 2020 Division 1

Strange Number, Squared Subsequences, Ready Bitwise

March Cook-Off 2020 Division 1

Mysterious Sequence

April Cook-Off 2020 Division 1

Simple Operations

May Cook-Off 2020 Division 1

Roads in Chefland

April Lunchtime 2020 Division 1

Positive Mex

May Lunchtime 2020 Division 1

Convert the String

August Challenge 2020 Division 1

Smallest KMP

July Cook-Off 2020 Division 2

Even-tual Reduction, OR-thodox Distinction, Path-etic Products

August Cook-Off 2020 Division 2

Red-blue Trees, Polygon Relationship, Chef and Work, K-Foldable String

August Lunchtime 2020 Division 1

Game on a Strip, Counting Graphs, Alien Invasion

Total Problems Solved: 193