Collection Reverse Chess Gears This Week Casebook

James's NotebooksKeyword Cipher

Recover the keyword and the message hidden behind it.

Unofficial fan site, not affiliated with the BBC.

Chess pieces by Colin M.L. Burnett (cburnett), licensed CC BY-SA 3.0, via Wikimedia Commons.

Font credits: Josefin Sans, Jost, Dancing Script, Barlow Semi Condensed, Caveat Brush and JetBrains Mono, under the SIL Open Font License.

All Difficulty 1 Difficulty 2 Difficulty 3 Difficulty 4 Difficulty 5

Puzzles

Blotting Paper
Margin Notes