Revert "Simple implementation of strong YBWC"

[stockfish] / src / bitboard.cpp

diff --git a/src/bitboard.cpp b/src/bitboard.cpp
index 384831adc8f7061f09797cbeff28d2e166eae574..f014fe1939b6d4da4b13c5eafe1d286b8ae3312a 100644 (file)
--- a/src/bitboard.cpp
+++ b/src/bitboard.cpp
@@ -226,8 +226,9 @@ Bitboard StepAttackBB[16][64];
 Bitboard RayBB[64][8];
 Bitboard BetweenBB[64][64];
 
+Bitboard SquaresInFrontMask[2][64];
 Bitboard PassedPawnMask[2][64];
-Bitboard OutpostMask[2][64];
+Bitboard AttackSpanMask[2][64];
 
 Bitboard BishopPseudoAttacks[64];
 Bitboard RookPseudoAttacks[64];
@@ -427,8 +428,9 @@ namespace {
     for (Color c = WHITE; c <= BLACK; c++)
         for (Square s = SQ_A1; s <= SQ_H8; s++)
         {
+            SquaresInFrontMask[c][s] = in_front_bb(c, s) & file_bb(s);
             PassedPawnMask[c][s] = in_front_bb(c, s) & this_and_neighboring_files_bb(s);
-            OutpostMask[c][s] = in_front_bb(c, s) & neighboring_files_bb(s);
+            AttackSpanMask[c][s] = in_front_bb(c, s) & neighboring_files_bb(s);
         }
 
     for (Bitboard b = 0ULL; b < 256ULL; b++)