Ido Kessler

• Username: 6★kessido
• Country:  Israel
• Student/Professional:Professional
• Organisation:Microsoft
• 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: 14

Current Ratings Graph Old Ratings Graph

2311 (+50)RatingProvisional
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August Cook-Off 2020 Division 1 (2020-08-24 00:15:00)

Global Rank:   10

Cheated in:   

Ratings System Update

(2020-08-24 00:15:00)

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?

2311 (+72)RatingProvisional
Rating i Provisional Rating, click to know more

August Cook-Off 2020 Division 1 (2022-12-20 00:00:00)

Global Rank:   10

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 (14)

May Cook-off 2018 Division 1

Best Cake Ever, Difficult Choice

June Cook-Off 2018 Division 1

Good Permutations, Sonya and Segments

April Lunchtime 2018 Division 2

Two vs Ten, The hardest gcd problem, Triple-tree decomposition, Solve what you want

April Challenge 2018 Division 2

Chef and Array (Challenge), Cutting Plants, Weight of Numbers, Count Good Prefixes, Average of Pairs, Workers

May Challenge 2018 Division 1

Change the Signs, Dibs on Fibs, Fake Binary Search, Not a Convex Hull (Challenge)

July Challenge 2018 Division 1

Pizza Delivery, Reach Equilibrium, Subway Ride, No Minimum No Maximum, Gears

December Challenge 2018 Division 1

Chef and An Ideal Problem, Chef and Interactive Contests, Chef and Meatballs, Directing Edges, Max and Electrical Panel, Colorblind Feast, (Challenge) Delete DAG, Chef and Interactive XOR

LoC April 2018 (Rated for Division 2)

Perfect Necklace, Broken Heart , Cricket Score, Double Delivery, Bob and Pallindromes

January Lunchtime 2019 Division 1

Distances, Wanderer, Rooks

March Cook-Off 2019 Division 1

Markers and Caps, Music Shopping, XOR N-bonacci Sequence

March Lunchtime 2019 Division 1

Corrupted Seven-Segment Display, Travelling Saleschef, Partition into Permutations

April Cook-Off 2019 Division 1

Doubly Increasing Path, Random Game, Pied Piper vs Hooli

July Cook-Off 2019 Division 1

Birthday Gift Again

August Cook-Off 2020 Division 1

Red-blue Trees, Polygon Relationship, Chefina and Dishes, Beautiful Subsequence

Total Problems Solved: 60