Serene Mathew

• Username: 1★serenemat
• Country:  India
• Student/Professional:Other
• 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: 11

Current Ratings Graph Old Ratings Graph

1235 (-36)RatingProvisional
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Starters 123 Division 4 (Rated)(2024-02-28 22:30:06)

Global Rank:   29104

Cheated in:   

Ratings System Update

(2024-02-28 22:30:06)

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1060? (+0)RatingProvisional
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Starters 57 Division 4 (Rated)(2022-12-20 00:00:00)

Global Rank:   14484

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 (3)

Learn Go

4%

Learn Advanced SQL

4%

SQL at Work

68%

Practice Paths (1)

Level up from 1* to 2*

24%

Contests (11)

Starters 54 Division 4 (Rated)

Ticket Fine, Number of Credits

Starters 57 Division 4 (Rated)

Alice and Marks, Integers that sum to the same value

Starters 100 Division 4 (Rated)

Air Quality Index, Trade Surplus

Starters 101 Division 4 (Rated)

Work Smarter, Not Harder, Off By One

Starters 104 Division 4 (Rated)

Pizza Cutting, Double Rent

Starters 105 Division 4 (Rated)

Dracula Eats, Bone Appetit

Starters 106 Division 4 (Rated)

Fan Poll, Chef Fantasy 11, Survival Time

Starters 107 Division 4 (Rated)

Pending Assignments, Clear Day

August Long 2023 Division 4 (Unrated)

All New CodeChef

September Short 2023 Division 4 (Unrated)

Lucky Seven, Mixing Extraordinaire

Starters 115 Division 4 (Rated)

Chocolate Distribution, Codechef Round

Starters 123 Division 4 (Rated)

Algomaniac Finals

Total Problems Solved: 188