Remove PawnsOnBothFlanks

[stockfish] / src / evaluate.cpp

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index 4667d51531205f67bd77f255c56ca8c7a9c3818f..ac8bde741a385650f9a8155025fbfd99f03c5746 100644 (file)
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -758,16 +758,12 @@ namespace {
     int outflanking =  distance<File>(pos.square<KING>(WHITE), pos.square<KING>(BLACK))
                      - distance<Rank>(pos.square<KING>(WHITE), pos.square<KING>(BLACK));
 
-    bool pawnsOnBothFlanks =   (pos.pieces(PAWN) & QueenSide)
-                            && (pos.pieces(PAWN) & KingSide);
-
     // Compute the initiative bonus for the attacking side
     int complexity =   8 * pe->pawn_asymmetry()
                     + 12 * pos.count<PAWN>()
                     + 12 * outflanking
-                    + 16 * pawnsOnBothFlanks
                     + 48 * !pos.non_pawn_material()
-                    -136 ;
+                    -110 ;
 
     // Now apply the bonus: note that we find the attacking side by extracting
     // the sign of the endgame value, and that we carefully cap the bonus so