Uploaded February 2026 | Updated September 2026, 3 hours ago

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Join John Toebes, National Event Supervisor & Science Olympiad's Decryption Expert, for this session offering advice and preparation tips for Codebusters. In the session, John will guide you through different ciphers, suggest ways to prepare for the event, and tackle any questions that you may have. This webinar was recorded on Feb 4, 2026.

Timestamps:
00:00 - Start
02:35 - Introduction
04:09 - Changes this year
05:30 - Ciphers
06:02 - Special Bonus
07:32 - Resources
11:20 - Test Taking Strategy
17:17 - Ciphers To Pay Attention To
23:30 - Checkerboard
28:43- Baconian
31:44 - Sequence Baconian
34:36 - Nihilist Substitution
42:41 - Cryptarithms
43:57 - Complete Columnar
45:39 - Test Generation Tools
49:55 - Questions
01:01:49 - End

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