25 Ukrainian Chess Solving Championships
The story of 25 Ukrainian solving championships, edited by Valery Kopyl.
V. Kopyl
New
Collection of Chess Problems 1973–2023. Part 2
International grandmaster Valery Kopyl's account of 50 years in chess composition.
Selected H#3
A collection for practising helpmates in three.
New
Collection of Chess Problems 2003–2020. Part I
Joint problems by Gennady Koziura and Valery Kopyl from 2003–2020, in chronological order.