The book is intended for pre-intermediate to intermediate players. This book complements the three volumes in the Fundamentals orange series (Build Up Your Chess 1, Boost Your Chess 1 and Chess Evolution 1) with exercises; thus each chapter from these three volumes is supplemented with an extra test with six positions. In this exercise book, therefore, you will find a total of 72 tests with 432 positions. Name index at the end. Artur Yusupov was ranked no. 3 in the world from 1986 to 1992, now he works as a trainer. He was awarded by FIDE for the best instructional chess books in the world in 2009. Further information about the book and about the Yusupov instructional works is available at qualitychess.co.uk