====== Chess - Programming - Polyglot Book Format - Polyglot Book Format ======

A **PolyGlot** opening book is a collection of triples (Key, Move, Weight).

  * **Key** is a 64-bit Zobrist hash key, of a Board position.
  * **Move** is a move that can be made from that position.
  * **Weight** is proportional to the probability the move should be played.

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[[Chess:Programming:Polyglot Book Format:Castle|Castle]]

[[Chess:Programming:Polyglot Book Format:Enpassant|Enpassant]]

[[Chess:Programming:Polyglot Book Format:Extensions for other forms of Chess|Extensions for other forms of Chess]]

[[Chess:Programming:Polyglot Book Format:File Format|File Format]]

[[Chess:Programming:Polyglot Book Format:Key|Key]]

[[Chess:Programming:Polyglot Book Format:Learn|Learn]]

[[Chess:Programming:Polyglot Book Format:Move|Move]]

[[Chess:Programming:Polyglot Book Format:Piece|Piece]]

[[Chess:Programming:Polyglot Book Format:Tests|Tests]]

[[Chess:Programming:Polyglot Book Format:Turn|Turn]]

[[Chess:Programming:Polyglot Book Format:Weight|Weight]]

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====== References ======

http://hgm.nubati.net/book_format.html