A Short History of the Tangram
The archive begins with the uncertain origin story, overseas spread, and mathematical afterlife of the seven-piece puzzle.
Source pages 25-36View source note
Eastern Puzzle ArchiveArchive
Source-backed notes prepared for English readers.
These entries map the Chinese source chapters into public-facing English summaries. They are not raw OCR dumps; each one needs translation, adaptation, diagrams, and correction notes before becoming a full article.
Tangram Mathematics
A source-backed path into dissection geometry, topology, graph thinking, and area-preserving transformations.
Source pages 42-96View source noteNine Linked Rings as a Sequence System
A bridge from a traditional mechanical puzzle to binary-like state notation and recursive solving.
Source pages 162-193View source noteHuarong Dao and Sliding-Block Search
A compact board, a famous escape goal, and a natural route into state-space exploration.
Source pages 205-289View source note