An overview, selection, and improvement of chess openings; both for (post-)beginners and intermediate players. Including a unique and timeless 'repertoire', carefully selected for home player level (1.e4) and/or more advanced (chess club) players. For the latter, in addition to a second, more in depth repertoire with 1.e4, an optional repertoire is given with 1.d4 (besides some gambits, or general opening systems as well). The most suitable opening moves were selected by thorough analysis, to build up a rocksolid B/W 'repertoire', for two categories of players. Not only mentioning of the opening names, but also of most sub-variations. Compared with up to date opening books and actual GM games, resulting in many opening novelties. Many diagrams to enhance memorization and understanding. An ideal study guide, and only opening book a chess player needs until about master level.