X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fbitboard.cpp;h=0c38e182ba3633f5c6040f3f810d34de74657a6f;hp=063204c5020f7ec2f54a5104ee705a618068fc4b;hb=5bed82cd4e34c329bd08c57963ccc93c15ca0f05;hpb=52129955637610488936648066f80a4515f6ce57

diff --git a/src/bitboard.cpp b/src/bitboard.cpp
index 063204c5..0c38e182 100644
--- a/src/bitboard.cpp
+++ b/src/bitboard.cpp
@@ -163,7 +163,10 @@ const int RShift[64] = {
 
 #endif // defined(IS_64BIT)
 
-const Bitboard SquaresByColorBB[2] = { BlackSquaresBB, WhiteSquaresBB };
+const Bitboard LightSquaresBB = 0x55AA55AA55AA55AAULL;
+const Bitboard DarkSquaresBB  = 0xAA55AA55AA55AA55ULL;
+
+const Bitboard SquaresByColorBB[2] = { DarkSquaresBB, LightSquaresBB };
 
 const Bitboard FileBB[8] = {
   FileABB, FileBBB, FileCBB, FileDBB, FileEBB, FileFBB, FileGBB, FileHBB