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Cees Otto

Math Contestant

Oegstgeest, Zuid-Holland, Netherlands

  • Birthday
    Jan. 1, 1954
  • Total Attempts
    273
  • Correct Percentage
    82%
  • Total Points
    699
Problems Attempted per Day
Score per Day
Submission Activity

  • Problem of the Week - Attempted

    Proth Prime

    Result: Correct

    Score: 6

  • Middle School Madness - Attempted

    19 in a row

    Result: Correct

    Score: 0

  • Elementary Brain Teaser - Attempted

    Big Time

    Result: Incorrect

    Score: 0

  • Daily Math Challenge - Attempted

    Problem 1530

    Result: Correct

    Score: 6

  • Middle School Madness - Attempted

    Small Square

    Result: Correct

    Score: 0