Kohsuke YATOH

• Username: 6★kohyatoh
• Student/Professional:Student
• CodeChef Pro Plan: No Active Plan. View Details

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Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

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No. of Contests Participated: 19

Current Ratings Graph Old Ratings Graph

2413 (-46)RatingProvisional
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March Challenge 2013(2013-03-11 15:00:00)

Global Rank:   345

Cheated in:   

Ratings System Update

(2013-03-11 15:00:00)

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2413 (+352)RatingProvisional
Rating i Provisional Rating, click to know more

March Challenge 2013(2022-12-20 00:00:00)

Global Rank:   345

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 (19)

April Cook-Off Challenge

The Grand Cook Off, A Prime Conjecture, Internet Media Types

May Long Contest 2011

Pruning Trees, Tree Product, The Great Wall of Byteland, Bickering Cooks, Sum Divides Product, Harmonious Decorating

May Cook-off 2011

Popular Rice Recipe, Packing the Golden Triangles, Distribute idlis Equally

June Long Contest 2011

Maximal Score Path, Chef Teams

October Long Contest 2011

Dish Distribution, The Baking Business, Repeated String, Lucky Palin

February 2012 Challenge

Box and Ball System, Lucky Count, Restore the Recipe, Lucky Long, Word Counting, Count of Maximum

March 2012 Challenge

Tom And Jerry, Longest Weird Subsequence, Cosine Partition Function, Evil Book, Lucky Number, Free Shuttle Service, Home Delivery, Spoon in Matrix, Xor it

April Challenge 2012

PDS Number, Lucky Array, Parallel Computing, Fit to Play, Double Strings, Stacking Pancakes, Greatest Dumpling Fight

May Challenge 2012

Digits Forest, Little Elephant and Median, Jewels and Stones, Lucky lucky number, Divisible Pairs, Remember the recipe, Little Elephant and Boxes, A Home for Chef

June Challenge 2012

Polynomial Partition Function, Little Elephant and Product, Little Elephant and Candies, Doom Bakes Cakes, Fly-overs, Arranging Cup-cakes

July Challenge 2012

Favourite Numbers, Chef's Dream, My Fair Coins, The Gray-Similar Code, Little Elephant and Bubble Sort, Gift Rift, Restaurant Rating

August Challenge 2012

Little Elephant and Bombs, Lucky Driving, Game Count, Block Game, Range of Data, Delivery Boy, Machine Gun

September Challenge 2012

Lights, Kisses & Hugs, Chef World, Racing Horses, Queries About Numbers, ChefTown Parade, Three is Crowd

October Challenge 2012

Team Formation, Little Elephant and Order, Fierce Battles, Event Organizer, Maximum Sub-rectangle in Matrix, Blade Master, The New Scheme, Max Circumference, Need More Diamonds

September Cook-Off 2012

Prime Permutations, Recipe Reconstruction, Carvans, Coal Scam

November Challenge 2012

Lucky Balance, A Wonderful Chocolate, Delicious Dishes, Candy Collecting Game, Coin Flip, Jam Board, Many Left, Sridhar Likes Travelling, Arithmetic Progressions

December Challenge 2012

Sereja and Data Structures , Granama Recipes, Arigeom Beats, Book Exercises, Magic Rankings, The Uncountable Ways, Pizza Delivery, WordNinjas

January Challenge 2013

Little Elephant and Alcohol, A New Door, Dividing Products, Hotel Balifornia, The Minimum Number Of Moves, End Of The World, Chef of the Year, Three Different Numbers

March Challenge 2013

Random decreasing function, Tourist Translations, Approximately, Fire Escape Routes

Total Problems Solved: 121