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Platinum IV
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old_man_and_the_seaPlatinum IV
old_man_and_the_sea5
Platinum IV 187525 until Platinum III

22.08.25 ~ 23.09.02 / 365 Days of Brilliance

405 Solved2 Contributions5 Reverse rivals
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Date Added# Unlocked UsersTier
  • Codemaster 2023
    Participated in the Codemaster 2023 by Songdo Highschool, or solved 1 or more problems in its open contest
    430
  • (2023)
    (2023)
    Achieved a score of over 0 in
    577
  • Dress Rehearsal (2023)
    Dress Rehearsal (2023)
    Achieved a score of over 41 in the Dress Rehearsal
    441
  • Spend 2023 with BOJ
    Spend 2023 with BOJ
    Solved 1 or more problems in Hello, BOJ 2023!
    290
  • Anime Cup (2023)
    Anime Cup (2023)
    Solved 1 or more problems in Anime Cup Season 1 or 2
    766
  • 2023 KSA Automata Winter Contest
    2023 KSA Automata Winter Contest
    Achieved a score of over 100 in the 2023 KSA Automata Winter Contest
    362
  • The 2nd MatKor Cup : 2023 Winter
    The 2nd MatKor Cup : 2023 Winter
    Participated in the 2nd MatKor Cup, or solved 1 or more problems in its open contest
    473
  • Boardgame Cup (2023)
    Boardgame Cup (2023)
    Solved 1 or more problems in Boardgame Cup
    584
  • 2022 1st Calculus, Probability, and Statistics Cup
    2022 1st Calculus, Probability, and Statistics Cup
    Solved 1 or more problems in the 2022 1st Calculus, Probability, and Statistics Cup
    359
  • The 1st Chocolate Cup (2022)
    The 1st Chocolate Cup (2022)
    Solved 1 or more problems in the 1st Chocolate Cup
    191
    • 1