Ivan Ryazanov

• Username:2★ivanrnk
• Student/Professional:Professional
• Organisation:JSC NizhnekamskNeftekhim
• CodeChef Pro Plan: No Active Plan. View Details

Activity Heat Map

Last 6 Months 2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 8

Current Ratings Graph Old Ratings Graph

1576 (+65)RatingProvisional
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August Cook-Off 2014(2014-08-25 00:20:00)

Global Rank:   449

Cheated in:   

Ratings System Update

(2014-08-25 00:20:00)

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?

1576 (-131)RatingProvisional
Rating i Provisional Rating, click to know more

August Cook-Off 2014(2022-12-20 00:00:00)

Global Rank:   449

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 (8)

January Challenge 2013

The Minimum Number Of Moves

January Cook-Off 2013

Minimum Distance, Many Chefs

February 2013 Challenge

Little Elephant and Cards

March Challenge 2013

Fire Escape Routes

May Cook-off 2013

Subtraction Game 1

October Cook-Off 2013

Polo the Penguin and the Test

August Cook-Off 2014

Permutation Shuffle

June Lunchtime 2014

The Smallest Pair

Total Problems Solved: 13