Chess combinations collection for pbchess by Sergey Ivashenko - completed!
You can download it here: http://pbchess.vlasovsoft.net/en/content.html
More than 1000 chess problems at of the different levels of complexity, beginning from the most simple! The tasks gradually become more complex. Problem book is ideal for someone who wants to learn from scratch to play chess (including children from 6 years), and for people who already have some playing experience. This book also can be useful by the advanced players, if you want to stretch a little (not overloading), the brain before the game, interviews, competitions, etc., these problems - perfect choise!