Systematically creating a second target on the board to overstretch the opponent's defenses, making it impossible for them to guard everything simultaneously.

The course (formally known as Endgame Strategy [Revised and Expanded Edition] ) is a high-level masterclass that updates Mikhail Shereshevsky's classic 1981 text with modern engine analysis and video instruction from 2018 US Champion Sam Shankland . While your specific query reference "7z 013" likely refers to a compressed file index or specific digital asset from the course's video/data set, the course itself focuses on practical planning rather than raw calculation . Course Framework & Key Principles

The report highlights four essential themes that define Shankland’s presentation of this legendary material:

Moving the king from a safety-seeking piece to an active fighting force as soon as the risk of checkmate diminishes.

The 2022 edition adds brand-new chapters and fresh examples from contemporary elite-level games. Target Audience

The course is generally recommended for (typically 1500–2200+ Elo) who already have a grasp of basic "theoretical" endgames—like the Lucena or Philidor positions—and now want to master "complex" endings where the path to victory is less defined. Endgame Strategy (Revised and Expanded Edition)