The book is intended for advanced players. The authors submit complicated positions, 224 examples in all, which are always annotated and explained in detail. The readers, after the analysis, have to determine the next moves, for which they are scored. The book includes positions from both the middle game and the endgames. Name index at the end. GM Sarchan and IM Logman Gulievs are brothers - both are strong chess players and they also work as trainers for a long time. The book was also published in Russian with title Testy dlya kvalifitsirovannykh shakhmatistov. Further information about the book are available at newinchess.com