From c6a83497490df31d466440c7b1437f368b7a3728 Mon Sep 17 00:00:00 2001
From: Vizvezdenec <Vizvezdenec@gmail.com>
Date: Sun, 25 Nov 2018 23:44:55 +0300
Subject: [PATCH] tweaq. bench 3671680

---
 src/evaluate.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index 3a65747394f..3c647af25ae 100644
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -324,7 +324,7 @@ namespace {
     
         if (Pt == BISHOP || Pt == KNIGHT)
         {
-            Bitboard blocked = pos.pieces(Us, PAWN) & shift<Down>(pos.pieces(Them, PAWN)) & ~attackedBy[Them][PAWN];
+            Bitboard blocked = pos.pieces(Us, PAWN) & shift<Down>(pos.pieces(Them)) & ~attackedBy[Them][PAWN];
 
             if ((mob==0) && (pos.attacks_from<Pt>(s) & blocked))
               mobility[Us] -= ImmobilePiece;