: Third-party databases like 365Chess or Chessgames.com often have collections of games played by the authors or specific lines mentioned in the book, though these may not be the exact "Opening Simulator" training files [4]. Content of the Simulator The PGN typically includes:

: Model games that illustrate the strategic themes discussed by Hagen and Lund.

: If you own the digital version of the course, you can export the PGN from your dashboard. This is the official and most direct way to get the specific "Opening Simulator" move tree [1, 3].