Tweak dynamic contempt (the birthday patch)

[stockfish] / src / pawns.cpp

diff --git a/src/pawns.cpp b/src/pawns.cpp
index 1825b6e286be564edd9f1be685098529d144e949..84f3d97748d4003c62afce8e57773956ed089bfe 100644 (file)
--- a/src/pawns.cpp
+++ b/src/pawns.cpp
@@ -108,7 +108,7 @@ namespace {
         // A pawn is backward when it is behind all pawns of the same color on
         // the adjacent files and cannot safely advance.
         backward =  !(neighbours & forward_ranks_bb(Them, s + Up))
-                  && (stoppers & (leverPush | blocked));
+                  && (leverPush | blocked);
 
         // Compute additional span if pawn is not backward nor blocked
         if (!backward && !blocked)