1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
(most popular) 2. Bb2 Nc6 3. e3 (or 3. c4)
: Prioritizes plans and motifs over rigid memorization of long theoretical lines. Amazon.com Key Strengths Active Learning
The PDF utilizes the "Move by Move" question-and-answer format. You will be asked questions like: