Anurag Singh

• Username: 2★ryder7000
• Country:  India
• Student/Professional:Other
• CodeChef Pro Plan: No Active Plan. View Details

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

Rating Graph

No. of Contests Participated: 26

Current Ratings Graph Old Ratings Graph

1570 (+28)RatingProvisional
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January Lunchtime 2022 Division 3(2022-01-29 23:00:04)

Global Rank:   1346

Cheated in:   

Ratings System Update

(2022-01-29 23:00:04)

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1570 (-41)RatingProvisional
Rating i Provisional Rating, click to know more

January Lunchtime 2022 Division 3(2022-12-20 00:00:00)

Global Rank:   1346

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 (26)

November Challenge 2020 Division 2

Ada and Dishes, Restore Sequence

January Challenge 2021 Division 2

Chef and Division 3

December Challenge 2020 Division 2

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

December Cook-Off 2020 Division 2

Self-Destructing Strings, Catch the Thief, Minimum Attendance Requirement

December Lunchtime 2020 Division 2 (Unrated)

Three Letters, Sed Sequences

October Cook-Off 2020 Division 2

Split the Str Ing, Decreasing Srrnmieeda, Path-etic Sums

October Lunchtime 2020 Division 2

AND Plus OR

November Lunchtime 2020 Division 2

Gasoline Introduction

January Lunchtime 2021 Division 3 (Unrated)

Even Sum, Pair Me, Even Differences, Ashishgup and Interviews

February Challenge 2021 Division 3

Highest Divisor

March Cook-Off 2021 Division 3

Pawri Meme, Weight Balance, Guess the Number

March Challenge 2021 Division 3

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

March Lunchtime 2021 Division 3

Turn It, Dinner by Candlelight, Motivation, Make the Sum Even, Racing

April Challenge 2021 Division 2

Worthy Matrix, Chef and Dice

International Coding Marathon 2021 Division 2 (Rated)

Suffix Sort, Lucky Boundaries

April Cook-Off 2021 Division 2

Passing Marks, Chocolate Monger

April Lunchtime 2021 Division 2

Chef in Heaven , Bench Press

May Cook-Off 2021 Division 3

The Last Problem, Marathon, Vaccine Drive

May Lunchtime 2021 Division 2

Charges, Tom And Jerry 1

May Challenge 2021 Division 3 (Rated)

Xor Equality, Golf, Solubility

June Lunchtime 2021 Division 2

Unpleasant Ones, False Number, From Rational to Binary

August Cook-Off 2021 Division 2

Equal Difference

August Lunchtime 2021 Division 2

K-th Maximum, Crossing Blocks, Just a Graph

CodeChef Starters 10 Division 2 (Rated)

Maximise the Subsequence Sum

September Cook-Off 2021 Division 2

Zebra Crossing, Fake Swaps, Adjacency Hatred

September Lunchtime 2021 Division 2

Balanced and Unique Arrays, Yet another SOD problem

January Long 2022 - I, Division 3 (Rated)

Keplers Law, Covid Spread

January Lunchtime 2022 Division 3

Subarray permutations, Chef and Subset Additions, Chef and Lockout Draws

Total Problems Solved: 81