Use a PGN reader that hides the move list. Treat every middlegame position as a test.
Understanding how the Polgar sisters (Susan, Sofia, and Judit) synchronized their pieces for devastating attacks. Why PGN is Better Than the Physical Book laszlo polgar chess middlegames pgn better
Solving from a screen or a 2D digital board often mimics the environment of online competitive play, making the transition from study to "the arena" much smoother. How to Use Polgar Middlegame PGNs Effectively Use a PGN reader that hides the move list
While owning the physical 1,000+ page books is a badge of honor for any chess enthusiast, the PGN format offers several distinct advantages for modern study: laszlo polgar chess middlegames pgn better