Tweak initiative and Pawn PSQT (#1957)

[stockfish] / src / evaluate.cpp

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index 725ea49ce05ba1d6981ca15f460afae8535169c0..17c52e180019230d810be047d1ec971418c50844 100644 (file)
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -743,12 +743,12 @@ namespace {
                             && (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()
-                    -118 ;
+    int complexity =   9 * pe->pawn_asymmetry()
+                    + 11 * pos.count<PAWN>()
+                    +  9 * outflanking
+                    + 18 * pawnsOnBothFlanks
+                    + 49 * !pos.non_pawn_material()
+                    -121 ;
 
     // 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