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CB CodebustersTraining Center · Div B 2026–27

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© 2026 Yang Chen (@ychenzgithub). Released under the MIT License · Source on GitHub

An independent study tool for the Science Olympiad Codebusters event (Division B, 2026–2027). Not affiliated with or endorsed by Science Olympiad, Inc.; “Science Olympiad” is a trademark of Science Olympiad, Inc. The official rules at soinc.org always take precedence. Cipher conventions follow the Codebusters guide by John Toebes and the American Cryptogram Association. Quotations remain the work of their credited authors.