The Spirit of Yahoo Chess Lives Again in CAISSA Classic
Many players remember Yahoo Chess as a place of rooms, tables and familiar names. Explore the independent tribute behind CAISSA Classic.
CAISSA Chess Editorial
CAISSA Chess Blog
Official news, chess history, practical learning guides, and clear introductions to features already available across CAISSA Chess.
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What Is a Polyglot Opening Book and How Do Chess Engines Use It?
Learn what a Polyglot opening book stores, how compatible chess software chooses book moves, and how PGN games can become a practical BIN book.
Who Is Caissa? The Story Behind the Goddess of Chess
Chess has no ancient goddess, yet Caissa has inspired players and writers for centuries. Discover how a literary figure became the enduring muse of the game.