Features

The Bookbuilder CHESS opening package currently features the following:

• Define, investigate, study, and improve your own opening repertoire
• Interactive Replay/animation of all the openings listed with opening &variant name
• Improve your chess playing ability by in depth studying of up-to-dates opening theory
• the fastest program in the world being able to read in, backcalculate,
  and use large opening books (about 1-100+ Mb, used in Ram memory).
• Develop your own personally special opening repertoire,
  for gambit play or correspondence chess !
• Reading and adding extensive comments for different opening positions
• backcalculate your book x times faster than the equally priced programs
• Edit positions and analyse manually witch quick recalculation.
• Build your own power books from PGN quick and easy
• read in huge pgn GM files amazing fast, import for example
  very easily the ECO opening system (in pgn), and improve it
  Compress database by removing moves only read in once (new!).
• Analyze your book with top-freeware chess engine Crafty (22.3)
  (online, while adding lines, or offline by analyzing book) .
• Import only "quality" PGN files by defining maximum length.
• Export endnodes of your book to EPD format for import and analysis by chess engines
• Only unique positions are stored, no matter how often imported; full support of transpositions
• Play chess against others after Crafty book generation, with freeware Winboard interface
  eg. on Internet chess servers, current rating on Internet Chess Club now more than 2900!).
• Extensive opening book (more than 330,000 positions) including most ECO
  opening variations included with program
• Get information about most opening(-name)defined until this moment (2009)