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

Have you ever wondered why it takes grandmasters just seconds to see what's happening in a chess position? It's all about pawn structures, as Ivan Sokolov expla

Teaches amateur chess players how to improve their chess skills so they can become better players.

Fans of Firefly and Elizabeth Moon will lap up this action-packed military science fiction series. Welcome to the start of a thrilling new space adventure, star

Businesses these days talk a lot about figuring out what the customer wants. Well, here’s your first lesson: the customer doesn’t know what he wants. This b