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chyckchyryk
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Roman Derkach
chyckchyryk
Candidate
Ukraine
Ukraine
Joined Aug 8, 2025
Achievements (1)
Problem Solver
OverviewRatingAchievementsPosts

Rating evolution

DateContestRatingDiff
Jan 18, 2026Weekend Practice #171694-14
Jan 11, 2026Blitz Round #101708+37
Jan 4, 2026Weekend Practice #161671-35
Dec 21, 2025Weekend Practice #151706-28
Dec 14, 2025Blitz Round #81734+37
Dec 7, 2025Weekend Practice #141697-46
Nov 30, 2025Blitz Round #71743+62
Nov 2, 2025Blitz Round #51681+26
Oct 26, 2025Weekend Practice #121655+51
Oct 11, 2025Weekend Practice #111604+70
Sep 6, 2025Blitz Round #11534+103
Aug 23, 2025Weekend Practice #91431—