Differences

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--- chess:programming:polyglot_book_format:piece [2022/01/11 13:39] – peter
+++ chess:programming:polyglot_book_format:piece [2022/01/11 13:55] (current) – peter
@@ Line 1: / Line 1: @@
 ====== Chess - Programming - Polyglot Book Format - Piece ======
-See [[Chess:Programming:Polyglot Book Format:Key|Key]]
+**Piece** is part of the [[Chess:Programming:Polyglot Book Format:Key|Key]].
-----
+It is the exclusive or of entries from the **RANDOM_PIECE** sub-array, one for each piece on the board.
-**Piece** is the exclusive or of entries from the **RANDOM_PIECE** sub-array, one for each piece on the board.
 The offset of the entry in **RANDOM_PIECE** corresponding to a piece is computed as follows: <code>
-piece_offset=64*Piece_Type+8*Rank+File;
+piece = 64 * Piece_Type + 8 * Rank + File;
 </code>
 ----
-**Rank** and **File** are counted from 0 to 7:
+**Piece_Type** is encoded as:
-^Square^File^Rank^
-|a1|0|0|
-|h1|7|0|
-|a8|0|7|
-|h8|7|7|
-----
-"Piece_Type" is encoded as:
 <code cpp>
@@ Line 41: / Line 29: @@
 </code>
+----
+**Rank** and **File** are counted from 0 to 7:
+^Square^File^Rank^
+|a1|0|0|
+|h1|7|0|
+|a8|0|7|
+|h8|7|7|
+----
 [[Chess:Programming:Polyglot Book Format:Piece|Piece]]