And the method that I am using is "four puzzles at a time" and I will try to take at least more than an hour to figure them out. Lazlo Polgar's Chess Middlegames - Chessable
This article will explain what the Polgar middlegame material contains, why it is superior to standard tactic trainers, and—most importantly—how to find, utilize, and integrate a Laszlo Polgar middlegames PGN into your daily training regimen.
: Chapters are grouped by themes such as isolated queen pawns (168 positions), hedgehog positions (108 positions), and specific sacrifices like the Sicilian sacrifice (168 positions) .
It was not a book. It was a 2.3 GB PGN file, last modified in 1996, found on a corrupted Zip disk inside a Budapest cellar. The file contained 10,000 middlegame positions—none from opening theory, none from endgame tables. Every position was handpicked by László Polgár, the educational psychologist who raised three chess grandmaster daughters, including the legendary Judit.
This is the kind of elegance you will find on every page.

