X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fpawns.cpp;h=798bc0a070319dc846986535e4480d9e3442d349;hp=eda707ff97dac85d51e8c68aa897cf0bd918af9e;hb=f6f1d2422303923927c0c088dee1d6df22dc4b98;hpb=7837fb2aca6db425e5f7237f5cc714412fc0140d

diff --git a/src/pawns.cpp b/src/pawns.cpp
index eda707ff..798bc0a0 100644
--- a/src/pawns.cpp
+++ b/src/pawns.cpp
@@ -144,12 +144,11 @@ namespace {
         lever       =   theirPawns & pawnAttacksBB[s];
 
         // Test for backward pawn.
-        // If the pawn is passed, isolated, or connected it cannot be
+        // If the pawn is passed, isolated, connected or a lever it cannot be
         // backward. If there are friendly pawns behind on adjacent files
-        // or if it can capture an enemy pawn it cannot be backward either.
-        if (   (passed | isolated | connected)
-            || (ourPawns & pawn_attack_span(Them, s))
-            || (pos.attacks_from<PAWN>(s, Us) & theirPawns))
+        // it cannot be backward either.
+        if (   (passed | isolated | connected | lever)
+            || (ourPawns & pawn_attack_span(Them, s)))
             backward = false;
         else
         {