Raul Kooter

• Username: 6★rpkooter
• Country:  Netherlands
• Student/Professional:Professional
• Organisation:
• 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: 15

Current Ratings Graph Old Ratings Graph

2464 (+16)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2021 Division 1(2021-04-12 15:00:00)

Global Rank:   20

Cheated in:   

Ratings System Update

(2021-04-12 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?

2464 (+33)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2021 Division 1(2022-12-20 00:00:00)

Global Rank:   20

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 (15)

February Challenge 2019 Division 2

Guess It Right, Manhattan Rectangle, Deputy Chef, Art of Balance, Chef and Secret Ingredients, Chef and Magical Jars, Appy and Contest

February Cook-Off 2019 Division 2

Max Range Queries, Chef and Secret Password, Buying New Tablet, Chef and Party

March Challenge 2019 Division 2

Chef and Number Game, (Challenge) Interleaving Strings, Chef and a Beautiful Digit, Yet Again a Subarray Problem, Perfect Tree Problem, Cheating on Queue, Chef got Recipes, Chef and Soccer

April Challenge 2019 Division 1

Offer for Chef, Kira Loves Palindromes, Mininum XOR over Tree, Playing with Numbers, Subtree Removal

May Challenge 2019 Division 1

Ada Rooks 2, Ada Pawns, Where to Build the Roads

June Challenge 2019 Division 1

Lent Money, Chef and Ingredients, Chef and His Dish, Intersecting Paths, Sum and GCD

July Challenge 2019 Division 1

LOVEMUFFIN, Circular Merging, Codechef War, Guess the Prime!, Hit the Coconuts

November Challenge 2019 Division 1

Physical Exercise, Smallest Beautiful Number, From Zero to Infinity, A Simple Game, Single Point of Failure

December Challenge 2019 Division 1

Addition, (Challenge) Cubical Virus, Sticky Notes, Binary XOR, Chefina and Ranges, Test Generation

January Challenge 2020 Division 1

Chef and Dynamo, Doraemon, Doofish Matrix, Chefina and Prefix Suffix Sums, English, Chefland Army, (Challenge) Building Anthills

February Challenge 2020 Division 1

Chef and Gordon Ramsay 2, Long Contest and Cook Off Overlaps, (Challenge) Raisins, No Change Required, Expected Change, Chef and Railway Stations

April Challenge 2020 Division 1

Strange Number, Squared Subsequences, Perfect Power Divisors, Ready Bitwise, Factor Tree, Leaked Answers (Challenge)

May Challenge 2020 Division 1

Buying a New String, (Challenge) Nanobots, Chef and Bitwise Product, Not a Real World Problem, Binary Land, Triple Sort, Sorting Vases

February Challenge 2021 Division 1

Bash Matrix, Cell Shell, Cut the Cake (Challenge), XOR Sums, Multiple Games, Prime Game, Another Tree with Number Theory, Team Name

April Challenge 2021 Division 1

Binary String MEX, Tree Permutations, Worthy Matrix, Destroy the EMP Chip, Chef and Pair Flips, Chef and Dice, Boolean Game

Total Problems Solved: 89