To become a strong player, you will find it very helpful to begin to compile your own personalized chess theory. With the Chess Workbook Authoring Tool, you can create training workbooks (CWB files) that Chess Workbook can use, and you can build and catalogue your own "personal theory", as recommended by GM Lev Alburt in his book Chess Training Pocket Book. MASTER your favorite Chess Book like never before!   As you read your favorite book about the opening, the middle game or the end game, save the important positions into a workbook. After each chapter, test yourself how well you understand each position using the companion Chess Workbook. Remember, this is a "flashcard" technique, a tested and proven educational technique, so you'll master your book quicker and more effectively. Not only that, you can always go to your workbook to quickly review what you have learned. With this tool and Chess Workbook, you do not need to buy another traning softwares, ever! (Most popular training softwares are static, you cannot customize them to fit your needs.) Put your idle chess books to good use. Create customized training databases for yourself. This tool is also perfect for trainers and coaches so they can build customized workbooks for students with different needs. Those who are offering chess courses by email and even book authors will find this tool very helpful.