Author shows, how is possible to beat a much stronger opponent, who has rating higher for 300+ points. The book contains more than 100 deeply annotated games and fragments, where players with rating under 2400 were succesfull against players with rating 2700+. The games are mostly from early rounds of the open tournaments, where can meet players of so different ratings. Author's explanations can be usefull for all levels of players, for example 2000 versus 2300. Further information about the book and a sample are available at chess-evolution.com