The Fritz Powerbook 2023 contains 25 millions opening positions, derived from 1.7 million high class tournament games. Together with each position all relevant information is stored: all moves that were played in the position, by players of what average rating, with what success and performance results. The games from which the Fritz Powerbook 2023 were derived (except the Corr Games) are also included on the DVD or download version. The Fritz Powerbook 2023 represents the state of the art of current openings theory. The FritzPowerbook was derived also from the best 100,000 games from the Correspondence 2022 Database to enhance even more the theoretical value of moves given by the book. With the 2023 edition you get 3 Books: Fritz Powerbook, Strongbook and the CorrBook.
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Discover exciting and tricky new lines and practice them against Fritz. In addition the DVD has a small but very exclusive book with the strongest GM games (ELO >= 2550) from the past 100 years (2.7 Mio positions) and StrongBook Games Database.