Raj Kalathiya

• Username: 2★silent_spider
• Country:  India
• Student/Professional:Student
• Institution:Dharmsinh Desai University, Nadiad Gujarat, India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 23

Current Ratings Graph Old Ratings Graph

1545 (-38)RatingProvisional
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April Cook-Off 2021 Division 2(2021-04-19 00:30:02)

Global Rank:   3170

Cheated in:   

Ratings System Update

(2021-04-19 00:30:02)

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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1545 (-2)RatingProvisional
Rating i Provisional Rating, click to know more

April Cook-Off 2021 Division 2(2022-12-20 00:00:00)

Global Rank:   3170

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)

October Challenge 2019 Division 2

Phone Prices

November Challenge 2019 Division 2

Hard Sequence, Weapon Value, (Challenge) Coloring Triangulations

November Cook-Off 2019 Division 2

Chef Diet

December Challenge 2019 Division 2

Plus Multiply, That Is My Score!

December Cook-Off 2019 Division 2

Change It

December Lunchtime 2019 Division 2

Check Algorithm

April Challenge 2020 Division 2

Leaked Answers (Challenge), COVID Pandemic and Long Queue, Sell All the Cars, Unit GCD, Strange Number

May Challenge 2020 Division 2

Coronavirus Spread, Isolation Centers

April Cook-Off 2020 Division 2

Lift Requests

May Cook-Off 2020 Division 2

Chef and Recipe

April Lunchtime 2020 Division 2

Another Birthday Present!, Chef in Fantasy League

May Lunchtime 2020 Division 2

Weird Walk, Lost Weekends

June Challenge 2020 Division 2

Chef and Price Control, Chef and String, The Tom and Jerry Game!, Even Matrix, Chef and Icecream

July Challenge 2020 Division 2

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

August Challenge 2020 Division 2

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

June Lunchtime 2020 Division 2

Chef and Demonetisation

October Challenge 2020 Division 2

Replace for X, Chef and Easy Queries, Covid Run, Positive AND

January Challenge 2021 Division 2

Fair Elections

Coders' Legacy (Rated for all)

Chef vs Doof

September Lunchtime 2020 Division 2

GCD operations, Watermelon

February Challenge 2021 Division 3

Frog Sort, Team Name, Chef and Meetings, Prime Game, Maximise Function, Highest Divisor

April Cook-Off 2021 Division 2

Chocolate Monger

Total Problems Solved: 86