Black Dragon

• Username: 2★drag_bck
• Country:  India
• Student/Professional:Student
• Institution:National Institute of Technology, Kurukshetra Thanesar, Haryana, India
• 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: 27

Current Ratings Graph Old Ratings Graph

1505 (+5)RatingProvisional
Rating i Provisional Rating, click to know more

August Challenge 2020 Division 2(2020-08-17 15:00:02)

Global Rank:   10137

Cheated in:   

Ratings System Update

(2020-08-17 15:00:02)

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?

1505 (-3)RatingProvisional
Rating i Provisional Rating, click to know more

August Challenge 2020 Division 2(2022-12-20 00:00:00)

Global Rank:   10137

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 (27)

October Challenge 2016

Chef and Three Dogs, Chef and Keyboard

January Challenge 2017

Cats and Dogs

February Challenge 2017

Chef and His Apartment Dues

March Challenge 2017

Xenny and Alternating Tasks, Bear and Extra Number, (CH) Bear and Sorted Rows, Bandwidth of a matrix

April Challenge 2017

Dish Of Life, Bear and Row 01, Similar Dishes

June Challenge 2017

A Good Set, Xenny and Coin Rankings

January Challenge 2018

Rectangle

March Challenge 2018 DIV 2

Chef and Easy Problem, A Big Sale, Mix the Colors, Chef and Glove, Minions and Voting, Minion Chef and Bananas

March Cook-off 2018 Division 2

Chef Goes to the Cinema

April Cook-off 2018 Division 2

Cut the Board

April Challenge 2018 Division 2

Workers

July Challenge 2018 Division 2

Strike or Spare

August Challenge 2018 Division 2

Sheokand and Number, Spell Bob

December Challenge 2018 Division 2

Max and Electrical Panel, Chef and Interactive XOR, Chef and Interactive Contests, Chef and An Ideal Problem

June Lunchtime 2018 Division 2

Summary Power, Counting Pretty Numbers

August Lunchtime 2018 Division 2

Chef and Problem Setting, Chef and Eid

November Lunchtime 2018 Division 2

Event

ALKHWARIZM (Rated)

Help Voldemort, Sam, The Charming Angel

Encoder (Rated for Division 2)

Paint the Wall

February Challenge 2019 Division 2

Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Deputy Chef

February Cook-Off 2019 Division 2

Buying New Tablet, Chef and Party

April Challenge 2020 Division 2

COVID Pandemic and Long Queue

August Challenge 2020 Division 2

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

Total Problems Solved: 84