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Platinum III
Problems
Unrated
Arena
waitzkinPlatinum III
waitzkin5
Platinum III 193664 until Platinum II
547 Solved
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Date Added# Unlocked UsersTier
  • UCPC 2020 Finals
    Participated in UCPC 2020 Finals
    361
  • UCPC 2022
    UCPC 2022
    Participated in UCPC 2022, or its open contest
    991
  • Spent 2022 with BOJ
    Spent 2022 with BOJ
    Solved 1 or more problems in Good Bye, BOJ 2022!
    606
  • 1