: To cut down on the massive amount of theory in the Ruy Lopez, the course focuses on the 6. d3 Spanish (the Martinez Variation) and 5. d3 Anti-Berlin lines.

: Reviewers on platforms like Chessable highlight the quality of Grandelius's annotations, which explain the human logic behind the moves. Repertoire Highlights

Unlike traditional Ruy Lopez books that focus on decades-old mainlines, Grandelius prioritizes and understanding concepts over raw memorization.