Prateek Vachher

• Username: 1★pvachher
• Country:  India
• Student/Professional:Student
• Institution:Amity International School, Saket
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 16

Current Ratings Graph Old Ratings Graph

1387 (-34)RatingProvisional
Rating i Provisional Rating, click to know more

April Lunchtime 2017(2017-04-29 22:30:00)

Global Rank:   1323

Cheated in:   

Ratings System Update

(2017-04-29 22:30:00)

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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1387 (-15)RatingProvisional
Rating i Provisional Rating, click to know more

April Lunchtime 2017(2022-12-20 00:00:00)

Global Rank:   1323

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)

Practice for ZCO and INOI

0%

Contests (16)

April Challenge 2016

Chef And Coloring

May Challenge 2016

Laddu

June Challenge 2016

Devu and an Array

July Challenge 2016

Andrash and Stipendium

June Cook-Off 2016

Sticks

July Cook-Off 2016

Chef and Proportion, Chef and Numbers

April Lunchtime 2016

Coins And Triangle

May Lunchtime 2016

Akhil And Colored Balls

June Lunchtime 2016

Collisions

July Lunchtime 2016

Drumpf for President!

January Lunchtime 2017

Nothing in Common

Total Problems Solved: 109