Rishi Raj

• Username: 4★rishiraj22
• Country:  India
• Student/Professional:Professional
• Organisation:De Shaw India Software Pvt. Ltd.
• 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: 36

Current Ratings Graph Old Ratings Graph

1887 (+23)RatingProvisional
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June Lunchtime 2019 Division 1(2019-06-29 22:30:00)

Global Rank:   108

Cheated in:   

Ratings System Update

(2019-06-29 22:30:00)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

How the rating system works?

1887 (-121)RatingProvisional
Rating i Provisional Rating, click to know more

June Lunchtime 2019 Division 1(2022-12-20 00:00:00)

Global Rank:   108

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)

None

Contests (36)

January Challenge 2017

Cats and Dogs

February Challenge 2017

Chef and His Apartment Dues

March Challenge 2017

Bear and Extra Number, Xenny and Alternating Tasks, Bandwidth of a matrix

October Challenge 2017

Chef and a great voluntary Program, Max Mex, Counter Test For CHEFSUM, A Balanced Contest

November Challenge 2017

Chef Hates Palindromes, Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes

December Challenge 2017

Penalty Shoot-out, Chef And his Cake

July Cook-Off 2017

Chang and Bitwise OR

October Cook-Off 2017

Chef and Employment Test

September Lunchtime 2017

Chef and Cook-Off Contests

December Lunchtime 2017

Days in Month, Strange Function

January Challenge 2018

K-Concatenation, Maximum Score, Rectangle, Partition the numbers

January Cook-Off 2018

Multiple of 3, Survive in ChocoLand

January Lunchtime 2018

Chef and Game with Sequence

February Challenge 2018

Chef And His Characters, Chef And The Patents, Points Inside A Polygon, Car-pal Tunnel, Permutation and Palindrome

International Coding League (Rated)

Stingy Strings

February Lunchtime 2018

Jumping in the hills

March Challenge 2018 DIV 2

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

March Cook-off 2018 Division 2

Chef Goes to the Cinema, Chef Restores a Matrix, Chef Judges a Competition

August Cook-Off 2018 Division 2

Balsa For The Three

September Mega Cook-Off 2018 Division 2

ATM Machine, Make a Permutation

October Mega Cook-Off 2018 Division 1

Binary Nim 2, Pumping Water

December Cook-Off 2018 Division 1

Yalalovichik Numbers

March Lunchtime 2018 Division 2 (Unrated)

Chef and Friends, Magic Elements

April Challenge 2018 Division 2

Count Good Prefixes, Average of Pairs, Workers

July Challenge 2018 Division 2

Magic Set, Strike or Spare, No Strings Attached

August Challenge 2018 Division 2

Modular GCD, Spell Bob, Sheokand and Number, Problem Sort

September Challenge 2018 Division 2

Magician versus Chef, War of XORs, Chef and Adventures

October Challenge 2018 Division 2

Chef and Circles, Byte to Bit, Chef and Serves, Minimize Digitsum, Beautiful Bricks, Appy and Balloons , Chef and Surprise Chessboard

July Lunchtime 2018 Division 2

Split Stones, Forced Particles

August Lunchtime 2018 Division 2

Chef and Problem Setting, Chef and Eid, Mix Mix Game

October Lunchtime 2018 Division 1

Coloring the Grid, Weird Question

ProCon 2018 (Rated for all)

Kill them with your success, The Great Run

January Cook-Off 2019 Division 1

Ada School

Plinth-Enigma'19 LNMIIT Techfest - (Rated for all)

XOR! Wait for it, Return of the Gargoyle King, Summation over nCr

April Challenge 2019 Division 1

Playing with Numbers, Subtree Removal

April Cook-Off 2019 Division 1

Pied Piper vs Hooli

June Cook-Off 2019 Division 1

Ants and Anteaters, Drink Slush

June Lunchtime 2019 Division 1

Igzi and Burly Array

October Lunchtime 2019 Division 1 (Unrated)

Counting Inversions Again!, Box Game

Total Problems Solved: 110