Sohel Hossain Kabir

• Username: 4★kabir_iut
• Student/Professional:Professional
• Organisation:booking.com
• 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: 8

Current Ratings Graph Old Ratings Graph

1806 (-13)RatingProvisional
Rating i Provisional Rating, click to know more

February Challenge 2015(2015-02-16 15:00:00)

Global Rank:   1988

Cheated in:   

Ratings System Update

(2015-02-16 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?

1806 (+56)RatingProvisional
Rating i Provisional Rating, click to know more

February Challenge 2015(2022-12-20 00:00:00)

Global Rank:   1988

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 (8)

July 2010

Maximal crosses, Closest Ranking

June Long Contest 2011

Chef Teams

April Challenge 2012

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

April Challenge 2013

Kingdom Unity, Levy Conjecture, Maximum Weight Difference, Barcelona Gameplay Tactics, Little Elephant and Music

June Challenge 2013

Predictopus, Lapindromes

October Challenge 2014

Chef and Ground

February Challenge 2015

Chef and Chain, Chef and Strange Formula, Let us play with rank list, Chef and Equality

February Cook-Off 2015

Fit Squares in Triangle, Strategy for the World Cup

Total Problems Solved: 23