Modern chess problem E. I. Umnov The basic concepts, principles of construction and features of different chess problem genres. Price: 1035 UAH ≈ €21 About this estimate You pay in hryvnias. The euro amount is approximate, at Monobank's rate on 18 October 2026; your bank's rate may differ. Qty: Add to cart Favorite About this book The book outlines the basic concepts that relate to the problem, the most important principles of construction and the characteristic features of various genres of problems. Read more Products specifications Attribute name Attribute value Original title Современная шахматная задача Language Russian