: Diagrams where you must find the best move (e.g., "White to move and win material" or "Mate in 3").
Since the file ends in , it is a high-compression archive. You will need a specific utility to open it: Extract the Files : Windows : Use 7-Zip (free/open-source) or WinRAR. Mac : Use The Unarchiver or Keka. Mobile : Use the iZip or ZArchiver app. Identify the File Formats Inside : J Ferien PartienTaktikfragen 7z
: Use a tool like Stockfish (built into Lichess or ChessBase) only after you have finished your own analysis to see what you might have missed. : Diagrams where you must find the best move (e
The name translates to likely curated for students or club players to study during school breaks. How to Access and Use the Guide Mac : Use The Unarchiver or Keka