Pratyush Ratan

• Username: 1★cobra99
• Country:  India
• Student/Professional:Student
• Institution:Govind Ballabh Pant Engineering College, New Delhi
• 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: 5

Current Ratings Graph Old Ratings Graph

1242 (-19)RatingProvisional
Rating i Provisional Rating, click to know more

June Challenge 2021 Division 3 (Rated)(2021-06-14 15:00:00)

Global Rank:   19865

Cheated in:   

Ratings System Update

(2021-06-14 15:00:00)

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?

1242 (-152)RatingProvisional
Rating i Provisional Rating, click to know more

June Challenge 2021 Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   19865

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)

Practice Paths (1)

SQL Practice Queries

33%

Contests (5)

October Challenge 2020 Division 2

Covid Run, Chef and Easy Queries

September Lunchtime 2020 Division 2

Watermelon

March Challenge 2021 Division 3

Chef and Groups, No Time to Wait

May Challenge 2021 Division 3 (Rated)

Golf, Solubility

June Challenge 2021 Division 3 (Rated)

Summer Heat

Total Problems Solved: 47