When Peter Krug was still living in Salzburg (Plainstraße 27), he published a winning chess study in Schach Aktiv in 2007. At that time, there was still a problem chess section at the end of the Austrian chess magazine. When Peter Krug was still living in Salzburg (Plainstraße 27), he published a winning chess study in Schach Aktiv in 2007. At that time, there was still a problem chess section at the end of the Austrian chess magazine. Wilfried Seehofer was the editor. Peter Krug was still a relative newcomer to the field of chess studies at that time. The chess study lasts only six moves, because White then has several options to win by moving his knight to the key square e5. This video was recorded in 2007, at a time when digital cameras were generally of poor quality.