The (ECC) is a legendary training resource published by Chess Informant , a Yugoslavian (now Serbian) company that revolutionized chess study in the pre-computer era. The Evolution of the "Chess Bible"
: Over the decades, it has evolved through six editions. The 6th edition (2021) famously includes instructive tactical positions from every World Champion, from Wilhelm Steinitz to Magnus Carlsen . Encyclopedia of Chess Combinations
: Unlike a random book of puzzles, the ECC uses a unique system of 10 tactical themes (such as pinning, deflection, and interference) and grades them into basic, intermediate, and advanced levels. The "Stolen Work" Controversy The (ECC) is a legendary training resource published