X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fpawns.cpp;h=5c33577445dc22e6e1e8a69c4ae9a081e6b77f22;hp=01e9632c2639fce3af989847f91123105165f42f;hb=2e21aba8d937bdf5eb0eedeac99ac2c2553e9d0d;hpb=52f92d05a9eae0cc68a3cd157f8df35802a98297

diff --git a/src/pawns.cpp b/src/pawns.cpp
index 01e9632c..5c335774 100644
--- a/src/pawns.cpp
+++ b/src/pawns.cpp
@@ -88,8 +88,8 @@ namespace {
   template<Color Us>
   Score evaluate(const Position& pos, Pawns::Entry* e) {
 
-    const Color     Them = (Us == WHITE ? BLACK      : WHITE);
-    const Direction Up   = (Us == WHITE ? NORTH      : SOUTH);
+    const Color     Them = (Us == WHITE ? BLACK : WHITE);
+    const Direction Up   = (Us == WHITE ? NORTH : SOUTH);
 
     Bitboard b, neighbours, stoppers, doubled, supported, phalanx;
     Bitboard lever, leverPush;
@@ -164,6 +164,9 @@ namespace {
                     e->passedPawns[Us] |= s;
         }
 
+        if (e->passedPawns[Us] & s)
+            e->asymmetry++;
+
         // Score this pawn
         if (supported | phalanx)
             score += Connected[opposed][bool(phalanx)][popcount(supported)][relative_rank(Us, s)];
@@ -220,10 +223,11 @@ Entry* probe(const Position& pos) {
       return e;
 
   e->key = key;
+  e->asymmetry = 0;
   e->scores[WHITE] = evaluate<WHITE>(pos, e);
   e->scores[BLACK] = evaluate<BLACK>(pos, e);
-  e->asymmetry = popcount(e->semiopenFiles[WHITE] ^ e->semiopenFiles[BLACK]);
-  e->openFiles = popcount(e->semiopenFiles[WHITE] & e->semiopenFiles[BLACK]);
+  e->asymmetry += popcount(e->semiopenFiles[WHITE] ^ e->semiopenFiles[BLACK]);
+  e->openFiles  = popcount(e->semiopenFiles[WHITE] & e->semiopenFiles[BLACK]);
 
   return e;
 }