X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fbitboard.h;h=6094c343f45236772abe34b7a2775641e3dec405;hp=a133c65bef28b0ef3e507a8bf7f93d4990b7e23e;hb=908d98820b9f055d3089cc947f6901a2d6fe0d81;hpb=a4c11b71acc4aeab032128d4ba9d0d4ccd51aa20

diff --git a/src/bitboard.h b/src/bitboard.h
index a133c65b..6094c343 100644
--- a/src/bitboard.h
+++ b/src/bitboard.h
@@ -37,6 +37,24 @@ bool probe_kpk(Square wksq, Square wpsq, Square bksq, Color us);
 
 }
 
+const Bitboard FileABB = 0x0101010101010101ULL;
+const Bitboard FileBBB = FileABB << 1;
+const Bitboard FileCBB = FileABB << 2;
+const Bitboard FileDBB = FileABB << 3;
+const Bitboard FileEBB = FileABB << 4;
+const Bitboard FileFBB = FileABB << 5;
+const Bitboard FileGBB = FileABB << 6;
+const Bitboard FileHBB = FileABB << 7;
+
+const Bitboard Rank1BB = 0xFF;
+const Bitboard Rank2BB = Rank1BB << (8 * 1);
+const Bitboard Rank3BB = Rank1BB << (8 * 2);
+const Bitboard Rank4BB = Rank1BB << (8 * 3);
+const Bitboard Rank5BB = Rank1BB << (8 * 4);
+const Bitboard Rank6BB = Rank1BB << (8 * 5);
+const Bitboard Rank7BB = Rank1BB << (8 * 6);
+const Bitboard Rank8BB = Rank1BB << (8 * 7);
+
 CACHE_LINE_ALIGNMENT
 
 extern Bitboard RMasks[SQUARE_NB];