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Opening Database Info

You can choose between the following opening databases:

  • Huge Book
    This database contains about 16.3 million moves from chess grandmaster games and gives you a survey what ever has been played by strong human chess players. The size of the opening database is about 1 GB.
  • Shredder 9 Book
    This database is included in the Shredder 9 and Deep Shredder 9 distributions. It contains about 1.2 million chess moves. Each move has a value associated with it. Its size is about 95 MB.
  • Shredder 10 Book
    This database is included in the Shredder 10 and Deep Shredder 10 distributions. It contains about 1.3 million chess moves. Each move has a value associated with it. Its size is about 96 MB.
  • Shredder 11 Book
    This database is included in the Shredder 11 and Deep Shredder 11 distributions. It contains about 1.3 million chess moves. Each move has a value associated with it. Its size is about 97 MB.


An chess opening database or opening book is a huge chess database. For each chess position in the database a list of moves is stored. For each move the following information is available:

  • Value
    A value that could be associated with this move. Shredder uses the values from a-f. a is for a good move, f for a bad move.
  • Games
    The number of times this move has been played.
  • Perc.
    The result of the games in percent in which this move has been played. The number indicates how many games were won when playing this move.
  • Elo
    The average Elo rating of the players playing this move.
  • Perf.
    The Elo performance achieved when playing this move.
  • Year
    The average year in which this move has been played.
  • Wins/Draws/Losses
    The number of won, drawn and lost games with this move.
 
Shredder Coins Shredder Coins
EUR 9.95
Deep Shredder 12 UCI Deep Shredder 12 UCI
EUR 99.99
Deep Shredder 12 Mac Deep Shredder 12 Mac
EUR 99.99
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