X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fevaluate.cpp;h=912c05fc8b394942e46a864235dd9c29dda5d8e0;hp=42f7addfcce822b478da9fedf8b3db04b772eee7;hb=7a1ff6d8ff39bb9e6844d24467899d47e942486f;hpb=bebd6e16f6e8be116419632635baf9c0d8b7ba4e

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index 42f7addf..912c05fc 100644
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -622,11 +622,11 @@ Value do_evaluate(const Position& pos, Value& margin) {
     // type of attacking piece, from knights to queens. Kings are not
     // considered because are already handled in king evaluation.
     if (weakEnemies)
-        for (PieceType pt1 = KNIGHT; pt1 < KING; pt1++)
+        for (PieceType pt1 = KNIGHT; pt1 < KING; ++pt1)
         {
             b = ei.attackedBy[Us][pt1] & weakEnemies;
             if (b)
-                for (PieceType pt2 = PAWN; pt2 < KING; pt2++)
+                for (PieceType pt2 = PAWN; pt2 < KING; ++pt2)
                     if (b & pos.pieces(pt2))
                         score += Threat[pt1][pt2];
         }
@@ -872,9 +872,16 @@ Value do_evaluate(const Position& pos, Value& margin) {
         {
             if (pos.non_pawn_material(Them) <= KnightValueMg)
                 ebonus += ebonus / 4;
+
             else if (pos.pieces(Them, ROOK, QUEEN))
                 ebonus -= ebonus / 4;
         }
+
+        // Increase the bonus if we have more non-pawn pieces
+        if (pos.count<ALL_PIECES>(  Us) - pos.count<PAWN>(  Us) >
+            pos.count<ALL_PIECES>(Them) - pos.count<PAWN>(Them))
+            ebonus += ebonus / 4;
+
         score += make_score(mbonus, ebonus);
 
     }
@@ -901,7 +908,7 @@ Value do_evaluate(const Position& pos, Value& margin) {
 
     // Step 1. Hunt for unstoppable passed pawns. If we find at least one,
     // record how many plies are required for promotion.
-    for (c = WHITE; c <= BLACK; c++)
+    for (c = WHITE; c <= BLACK; ++c)
     {
         // Skip if other side has non-pawn pieces
         if (pos.non_pawn_material(~c))