Marcos Duran

• Username: 1★marcosd
• Country:  United States
• Student/Professional:Student
• Institution:Concordia University Chicago, Illinois
• 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: 8

Current Ratings Graph Old Ratings Graph

1252 (-26)RatingProvisional
Rating i Provisional Rating, click to know more

February Challenge 2021 Division 3(2021-02-15 15:00:04)

Global Rank:   19272

Cheated in:   

Ratings System Update

(2021-02-15 15:00:04)

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?

1252 (-119)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   19272

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)

None

Practice Paths (0)

None

Contests (8)

December Challenge 2018 Division 2

Chef and Interactive Contests, Chef and An Ideal Problem

April Challenge 2020 Division 2

Sell All the Cars, COVID Pandemic and Long Queue

June Challenge 2020 Division 2

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

July Challenge 2020 Division 2

Ada King, Chef and Card Game, Chef and Strings

August Challenge 2020 Division 2

Chef Wars - Return of the Jedi, Chef and Linear Chess

February Challenge 2021 Division 3

Highest Divisor

Total Problems Solved: 19