]> git.sesse.net Git - stockfish/blobdiff - src/evaluate.cpp
Raise endgame passed pawn and material values
[stockfish] / src / evaluate.cpp
index d040143272c43ea6ee31d8f205306574b9f24cd8..d8017065f0941b009e5d917da2f07d25a3a79ede 100644 (file)
@@ -169,7 +169,7 @@ namespace {
   // We don't use a Score because we process the two components independently.
   const Value Passed[][RANK_NB] = {
     { V(5), V( 5), V(31), V(73), V(166), V(252) },
-    { V(7), V(14), V(38), V(64), V(137), V(193) }
+    { V(7), V(14), V(38), V(73), V(166), V(252) }
   };
 
   // PassedFile[File] contains a bonus according to the file of a passed pawn
@@ -424,36 +424,20 @@ namespace {
         b2 = pos.attacks_from<BISHOP>(ksq) & safe;
 
         // Enemy queen safe checks
-        b = (b1 | b2) & ei.attackedBy[Them][QUEEN];
-        if (b)
-        {
-            attackUnits += QueenCheck * popcount<Max15>(b);
-            score -= Checked;
-        }
+        if ((b1 | b2) & ei.attackedBy[Them][QUEEN])
+            attackUnits += QueenCheck, score -= Checked;
 
         // Enemy rooks safe checks
-        b = b1 & ei.attackedBy[Them][ROOK];
-        if (b)
-        {
-            attackUnits += RookCheck * popcount<Max15>(b);
-            score -= Checked;
-        }
+        if (b1 & ei.attackedBy[Them][ROOK])
+            attackUnits += RookCheck, score -= Checked;
 
         // Enemy bishops safe checks
-        b = b2 & ei.attackedBy[Them][BISHOP];
-        if (b)
-        {
-            attackUnits += BishopCheck * popcount<Max15>(b);
-            score -= Checked;
-        }
+        if (b2 & ei.attackedBy[Them][BISHOP])
+            attackUnits += BishopCheck, score -= Checked;
 
         // Enemy knights safe checks
-        b = pos.attacks_from<KNIGHT>(ksq) & ei.attackedBy[Them][KNIGHT] & safe;
-        if (b)
-        {
-            attackUnits += KnightCheck * popcount<Max15>(b);
-            score -= Checked;
-        }
+        if (pos.attacks_from<KNIGHT>(ksq) & ei.attackedBy[Them][KNIGHT] & safe)
+            attackUnits += KnightCheck, score -= Checked;
 
         // Finally, extract the king danger score from the KingDanger[]
         // array and subtract the score from the evaluation.