Umesh Vaidya

• Username: 3★cyther123
• Country:  India
• Student/Professional:Professional
• Organisation:Perfios Software Solution Pvt Ltd
• 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: 23

Current Ratings Graph Old Ratings Graph

1693 (+51)RatingProvisional
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March Challenge 2021 Division 2(2021-03-15 15:00:02)

Global Rank:   568

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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1693 (-200)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   568

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 (23)

March Challenge 2018 DIV 2

Mix the Colors, A Big Sale

March Cook-off 2018 Division 2

Chef Judges a Competition

June Cook-Off 2018 Division 2

Archi and Comparsion

July Cook-Off 2018 Division 2

Encoding Message

April Challenge 2018 Division 2

Weight of Numbers

June Challenge 2018 Division 2

Binary Shuffle, Naive Chef

August Challenge 2018 Division 2

Modular GCD

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

ALKHWARIZM (Rated)

Help Voldemort

Insomnia 2018 (Rated)

Split Sums

March Challenge 2019 Division 2

Chef got Recipes, Chef and Number Game, Chef and a Beautiful Digit

Coders' Legacy 2019 (Rated for all)

IPL and RCB

July Challenge 2020 Division 2

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

November Challenge 2020 Division 2

Restore Sequence, Ada and Dishes, Iron, Magnet and Wall

January Challenge 2021 Division 2

Expected Number of SCCs, Watching CPL, Fair Elections

February Challenge 2021 Division 2

Multiple Games, Highest Divisor, Maximise Function, Prime Game, Team Name, Frog Sort

March Challenge 2021 Division 2

Interesting XOR!, Dense Graph, College Life 4, Consecutive Adding, Paparazzi Gennady, Space Arrays, Wireless Electricity (Challenge)

SnackDown 2021 - Online Qualifiers

Lucky Number

Total Problems Solved: 107