Although PGN is highly portable, it is less efficient for massive datasets compared to native ChessBase formats. Storing the same game data in PGN typically requires about seven times more storage space than the ChessBase binary format. PGN (Portable) CBH (ChessBase Native) Readability Human-readable text Binary data Space Efficiency Low (7x larger) Portability Universal across apps Restricted to ChessBase/compatible GUIs step-by-step guide
ChessBase 10 Portable is a modified version of the classic ChessBase 10 database software designed to run directly from a USB flash drive or an external hard drive without the need for a traditional installation on a host computer. chessbase 10 portable