Despite the name, Paulo Vitor Damo da Rosa outlines 2 rules that help guide his decision making in game, explaining why it is often correct to make a worse play than one which appears available, if it takes away choice from your opponent. He also explains what to do when your opponent acts in a way that doesn’t force you into a line. At high level play this thinking is extremely useful, however it relies on both players agreeing on the value of pieces and plays, and can therefore be misleading when playing in a situation where you have a skill advantage over an opponent.