by Jacob AagardAagard tackles the subject matter head on, unravelling the many secrets behind chess calculation and arming the reader with the necessary tools to calculate effectively at the chessboard. Aagard pays particular attention to the searching practical questions like 'when should you calculate?', 'how can you discover candidate moves?' and 'how long should you spend on critical moves?' A thorough study of this book will enable you to calculate with confidence in future games. 192 pp.