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Diamond IV
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changwook987Diamond IV
changwook9877
Diamond IV 230793 until Diamond III

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2,182 Solved168 Contributions22 Reverse rivals
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Date Added# Unlocked UsersTier
  • Master of Balance - Gold
    Of the 8 tags displayed on the profile, achieve a rating of over 800 for 6 or more tags
    5K
  • Creator of Balance - Bronze
    Creator of Balance - Bronze
    Achieve a rating of 30 or higher for all 8 tags displayed on the profile
    33K
  • Guardian of Balance - Silver
    Guardian of Balance - Silver
    Of the 8 tags displayed on the profile, achieve a rating of over 200 for 4 or more tags
    54K
  • Master of Balance - Silver
    Master of Balance - Silver
    Of the 8 tags displayed on the profile, achieve a rating of over 200 for 6 or more tags
    33K
  • Creator of Balance - Silver
    Creator of Balance - Silver
    Achieve a rating of 200 or higher for all 8 tags displayed on the profile
    5.1K
  • Guardian of Balance - Platinum
    Guardian of Balance - Platinum
    Of the 8 tags displayed on the profile, achieve a rating of over 1600 for 4 or more tags
    1.1K
  •  Dress Rehearsal (2023)
    Dress Rehearsal (2023)
    Achieved a score of over 41 in the Dress Rehearsal
    441
  • 2023 Chung-Ang University CHAC
    2023 Chung-Ang University CHAC
    Participated in 2023 Chung-Ang University CHAC, or achieved a score of over 10 in its open contest
    341
  • The 1st hjroh Cup (2023)
    The 1st hjroh Cup (2023)
    Solved 1 or more problems in the 1st hjroh Cup
    255
  • SUAPC 2023w
    SUAPC 2023w
    Participated in SUAPC 2023 Winter, or solved 1 or more problems in its open contest
    380
  • 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
  • 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
  • 2-Star Problem-solving Technician
    2-Star Problem-solving Technician
    Solve 2,000 problems
    374
  • 1-Star Problem-solving Technician
    1-Star Problem-solving Technician
    Solve 1,000 problems
    1.7K
  • Professional Problem-solver
    Professional Problem-solver
    Solve 500 problems
    6.4K
  • 12345