The "Play 1...d6 against everything" approach is a popular choice among chess players, particularly those who prefer a more flexible and dynamic response to 1.e4. This move order allows Black to delay the development of their pieces and maintain a degree of symmetry in the center, while also preparing to develop other pieces harmoniously.
When you search for the PDF, you will find two distinct styles. You need to choose which one fits your personality. play 1...d6 against everything pdf