Stanislav Kovalcin

• Username: 3★sorbac
• Student/Professional:Professional
• Organisation:Deutsche Boerse
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 15

Current Ratings Graph Old Ratings Graph

1706 (-32)RatingProvisional
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May Challenge 2021 Division 2 (Rated)(2021-05-17 15:00:02)

Global Rank:   5051

Cheated in:   

Ratings System Update

(2021-05-17 15:00:02)

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

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1706 (+99)RatingProvisional
Rating i Provisional Rating, click to know more

May Challenge 2021 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   5051

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 (15)

February Challenge 2014

Longest Common Pattern, Make Him Happy, Little Elephant and Subarrays

April Challenge 2014

Counting Matrices, Farmer Feb, Chef and Digits, Divide the Tangerine, Shortest Path in Binary Trees

May Challenge 2014

Compilers and Parsers, Chef-jumping, Chef and Strange Matrix, Stone

June Challenge 2014

Chef and Subarray, Forgot Password, Guessing Game

July Challenge 2014

Chef and Frogs, Count Substrings, Reach The Point, Dish Owner

August Challenge 2014

Chef and Reversing, The Leaking Robot, Chef and Gift

September Challenge 2014

Fun with Rotation, Chef and Rainbow Array - 2

October Challenge 2014

Chef and Ground, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus

November Challenge 2014

Chef and Segment Game, Distinct Characters Subsequence, Chef and Red Black Tree, Let us construct palindrome

December Challenge 2014

Chef and Apple Trees

April Challenge 2015

Chef and Piano Scales, Broken Telephone, Chef and Interview

May Challenge 2015

Chef and Prime Divisors, Set Difference , Chef and new recipe

July Challenge 2016

Andrash and Stipendium

April Challenge 2021 Division 3

Worthy Matrix, Chef and Dice, Valid Pair, World Record, Strong Language

May Challenge 2021 Division 2 (Rated)

Xor Equality, Tic Tac Toe

Total Problems Solved: 54