Sergei Tkachenko, a member of the Ukrainian team that won the 5th World Chess Composition Tournament in 1997 and which came second in 2000, 2004, 2013, and 2017, has selected his 100 favorite Tigran Gorgiev studies, revising some of them and providing explanations suitable for less experienced solvers. There are no more than six moves in most solutions, so experienced chess players can analyze the positions directly from the diagrams.
