refactor(book): refactoring opening book code

1 files changed, 5 insertions, 4 deletions

diff --git a/src/zobrist.cpp b/src/zobrist.cpp
index 5250687..c06f1a2 100644
--- a/src/zobrist.cpp
+++ b/src/zobrist.cpp
@@ -312,9 +312,10 @@ static bool IsEnpassantLegal(Game *g) {
 // PolyglotRandom64 layout (standard Polyglot spec):
 //   [0..767]   piece keys, kind = (pieceType-1)*2 + color:
 //              [0-63] black pawn, [64-127] white pawn, [128-191] black knight,
-//              [192-255] white knight, [256-319] black bishop, [320-383] white bishop,
-//              [384-447] black rook, [448-511] white rook, [512-575] black queen,
-//              [576-639] white queen, [640-703] black king, [704-767] white king
+//              [192-255] white knight, [256-319] black bishop, [320-383] white
+//              bishop, [384-447] black rook, [448-511] white rook, [512-575]
+//              black queen, [576-639] white queen, [640-703] black king,
+//              [704-767] white king
 //   [768]      white kingside castling
 //   [769]      white queenside castling
 //   [770]      black kingside castling
@@ -326,7 +327,7 @@ void InitZobrist() {
 
   // Piece keys: interleaved by kind = (pieceType-1)*2 + color
   for (int kind = 0; kind < 12; ++kind) {
-    int color = kind % 2;          // 0=black, 1=white
+    int color = kind % 2;           // 0=black, 1=white
     int pieceType = (kind / 2) + 1; // PAWN=1..KING=6
     for (int square = 0; square < 64; ++square) {
       PieceKeys[color][pieceType][square] = PolyglotRandom64[idx++];