Josef Semera

• Username:2★semera
• Country:  Czech Republic
• Student/Professional:Professional
• Organisation:BARCLAYS
• 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: 6

Current Ratings Graph Old Ratings Graph

1487 (-64)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2019 Division 2(2019-04-15 15:00:02)

Global Rank:   11812

Cheated in:   

Ratings System Update

(2019-04-15 15:00:02)

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?

1487 (+52)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2019 Division 2(2022-12-20 00:00:00)

Global Rank:   11812

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 (6)

June Challenge 2017

A Good Set, Xenny and Coin Rankings

July Challenge 2017

Chef and Sign Sequences, Whats in the Name, Calculator , IPC Trainers, Two Coins

June Lunchtime 2017

Two Numbers

February Challenge 2018

Chef And His Characters

May Challenge 2018 Division 2

Mighty Friend, Xor Again, Fake Binary Search, Dibs on Fibs

Total Problems Solved: 26