An expert speaking

Theoretical issues and expert evaluation of various aspects of chess composition

Ideal dynamic echo in Bohemian selfmates (by Gennady Kozura)
Catalog of Ideal helpmates. No more than 5 units (by Yuri Belokon)
Can you do this? (by Aleksander Sygurov and Co.)
The logic and beauty of threat correction. Part I (by Valery Shanshin, in collaboration with David Shire and Marjan Kovačević)
The logic and beauty of threat correction. Part II (by David Shire, in collaboration with Marjan Kovačević and Valery Shanshin)
The logic and beauty of threat correction. Part III (by Marjan Kovačević, in collaboration with David Shire and Valery Shanshin)
The logic and beauty of threat correction. Part IV (by Valery Shanshin, in collaboration with David Shire and Marjan Kovačević)
Dual in... thematic variation. Part I (Valery Shanshin) in Russian
Legalization of dual in variation. Part II (Valery Shanshin) in Russian
Double transposition of two pieces on one line (by Zlatko Mihajloski & Zoran Gavrilovski)
The Secret of ODT Problems (by Ofer Comay)