22 * pt.

protonspring · Jul 9, 2019 · 45290b8 · 45290b8
1 parent ca51d1e
commit 45290b8
Showing 1 changed file with 1 addition and 4 deletions.
diff --git a/src/evaluate.cpp b/src/evaluate.cpp
@@ -77,9 +77,6 @@ namespace {
   constexpr Value LazyThreshold  = Value(1400);
   constexpr Value SpaceThreshold = Value(12222);
 
-  // KingAttackWeights[PieceType] contains king attack weights by piece type
-  constexpr int KingAttackWeights[PIECE_TYPE_NB] = { 0, 0, 77, 55, 44, 10 };
-
   // Penalties for enemy's safe checks
   constexpr int QueenSafeCheck  = 780;
   constexpr int RookSafeCheck   = 1080;
@@ -292,7 +289,7 @@ namespace {
         if (b & kingRing[Them])
         {
             kingAttackersCount[Us]++;
-            kingAttackersWeight[Us] += KingAttackWeights[Pt];
+            kingAttackersWeight[Us] += 21 * (KING - Pt);
             kingAttacksCount[Us] += popcount(b & attackedBy[Them][KING]);
         }