If you want to create your own workbook, you can download a master tournament file from a database and use software like ChessBase to run a tactical analysis that isolates critical calculation moments.
This is a highly popular digital course and workbook released on the Chessable platform. It serves as a 12-week intensive sequel to his hit guide, aimed at refining a structured, algorithmic calculation process without any provided hints.
If you are looking to download standard calculation files to load into a chess GUI (like ChessBase, Fritz, or Lichess), use these methods: Download Calculation Workbook for Tournament Players pgn
This course is hosted on Chessable and was also published in physical book form by Quality Chess under the title Grandmaster Training Camp 1: Calculation . While the raw PGN isn't publicly distributed, training the variations directly via the web or mobile interface mirrors the practice of reviewing a highly annotated PGN. 3. Calculation for Club Players (GM Jacek Stopa)
Several highly regarded chess resources match the description of a calculation workbook tailored for tournament players. If you want to create your own workbook,
2. Chess Calculation Workbook / Grandmaster Training Camp (GM Sam Shankland)
Chessable does not provide raw, external PGN downloads for its proprietary courses to protect intellectual property. However, purchasing the course gives you access to their interactive MoveTrainer technology, which functions as a living, trainable PGN. If you are looking to download standard calculation
A super-intensive calculation workbook designed by Olympic gold medalist Sam Shankland. It covers deep calculation, candidate moves, and defensive resources.