Differences

This shows you the differences between two versions of the page.

--- chess:programming:polyglot_book_format [2022/01/10 17:12] – peter
+++ chess:programming:polyglot_book_format [2022/01/11 14:16] (current) – peter
@@ Line 1: / Line 1: @@
 ====== Chess - Programming - Polyglot Book Format - Polyglot Book Format ======
-A **PolyGlot** opening book is a collection of triples (Position, Move, Weight).
+A **PolyGlot** opening book is a collection of triples (Key, Move, Weight).
-  * **Position** is represented by a 64-bit Zobrist hash key, of a Board position.
+  * **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.
@@ Line 9: / Line 9: @@
 ----
-<code cpp>
+[[Chess:Programming:Polyglot Book Format:Castle|Castle]]
-struct entry_t {
-   uint64 key;
-   uint16 move;
-   uint16 count;
-   uint16 n;
-   uint16 sum;
-};
-</code>
-----
+[[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]]
@@ Line 26: / Line 24: @@
 [[Chess:Programming:Polyglot Book Format:Piece|Piece]]
-[[Chess:Programming:Polyglot Book Format:Position|Position]]
 [[Chess:Programming:Polyglot Book Format:Tests|Tests]]
+[[Chess:Programming:Polyglot Book Format:Turn|Turn]]
 [[Chess:Programming:Polyglot Book Format:Weight|Weight]]