X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fpawns.cpp;h=b0fcfad331d732ed8786b9de747824495006d0ee;hb=7133598a98301cf84857d39194026b876da48b96;hp=edd670b84cc4ec3021fdcd2b3962bbd419cfdc88;hpb=e917bd59b1e317c6b48dc676473359fdfb86d9d4;p=stockfish

diff --git a/src/pawns.cpp b/src/pawns.cpp
index edd670b8..b0fcfad3 100644
--- a/src/pawns.cpp
+++ b/src/pawns.cpp
@@ -96,7 +96,7 @@ namespace {
 
         // Flag the pawn
         opposed    = theirPawns & forward_file_bb(Us, s);
-        stoppers   = theirPawns & passed_pawn_mask(Us, s);
+        stoppers   = theirPawns & passed_pawn_span(Us, s);
         lever      = theirPawns & PawnAttacks[Us][s];
         leverPush  = theirPawns & PawnAttacks[Us][s + Up];
         doubled    = ourPawns   & (s - Up);
@@ -114,8 +114,8 @@ namespace {
         // which could become passed after one or two pawn pushes when are
         // not attacked more times than defended.
         if (   !(stoppers ^ lever ^ leverPush)
-            && popcount(support) >= popcount(lever) - 1
-            && popcount(phalanx)   >= popcount(leverPush))
+            && (support || !more_than_one(lever))
+            && popcount(phalanx) >= popcount(leverPush))
             e->passedPawns[Us] |= s;
 
         else if (   stoppers == SquareBB[s + Up]
@@ -185,9 +185,7 @@ Entry* probe(const Position& pos) {
   e->key = key;
   e->scores[WHITE] = evaluate<WHITE>(pos, e);
   e->scores[BLACK] = evaluate<BLACK>(pos, e);
-  e->openFiles = popcount(e->semiopenFiles[WHITE] & e->semiopenFiles[BLACK]);
-  e->asymmetry = popcount(  (e->passedPawns[WHITE]   | e->passedPawns[BLACK])
-                          | (e->semiopenFiles[WHITE] ^ e->semiopenFiles[BLACK]));
+  e->passedCount= popcount(e->passedPawns[WHITE] | e->passedPawns[BLACK]);
 
   return e;
 }