X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fpawns.cpp;h=dab280cce2daea987ddbf9da0f00541dd70f26f5;hp=17a96670911dc414b351ca7f2197dada32a510a7;hb=0c1f119069bf915b85126159d4865c4bcc532239;hpb=e06a117d5e78ec4edc051f2b161d36559f784d37

diff --git a/src/pawns.cpp b/src/pawns.cpp
index 17a96670..dab280cc 100644
--- a/src/pawns.cpp
+++ b/src/pawns.cpp
@@ -163,6 +163,15 @@ namespace {
             && popcount(phalanx)   >= popcount(leverPush))
             e->passedPawns[Us] |= s;
 
+        else if (   stoppers == SquareBB[s + Up]
+                 && relative_rank(Us, s) >= RANK_5)
+        {
+            b = shift<Up>(supported) & ~theirPawns;
+            while (b)
+                if (!more_than_one(theirPawns & PawnAttacks[Us][pop_lsb(&b)]))
+                    e->passedPawns[Us] |= s;
+        }
+
         // Score this pawn
         if (!neighbours)
             score -= Isolated[opposed];
@@ -177,7 +186,7 @@ namespace {
             score += Connected[opposed][!!phalanx][more_than_one(supported)][relative_rank(Us, s)];
 
         if (doubled && !supported)
-           score -= Doubled;
+            score -= Doubled;
 
         if (lever)
             score += Lever[relative_rank(Us, s)];