X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fmovegen.cpp;h=30665ee03b8e35c8c3a6fb73a898500aca9dc394;hb=b3470d7ab1d8cfe0bacffc42fc9b30347940b5f4;hp=ef9a2727a5ac49f94b279652e222b5ee6c40a085;hpb=c9dcda6ac488c0058ebd567e1f52e30b8cd0db20;p=stockfish

diff --git a/src/movegen.cpp b/src/movegen.cpp
index ef9a2727..30665ee0 100644
--- a/src/movegen.cpp
+++ b/src/movegen.cpp
@@ -46,10 +46,10 @@ namespace {
 
     assert(!pos.checkers());
 
-    const int K = Chess960 ? kto > kfrom ? -1 : 1
-                           : Side == KING_SIDE ? -1 : 1;
+    const Square K = Chess960 ? kto > kfrom       ? DELTA_W : DELTA_E
+                              : Side == KING_SIDE ? DELTA_W : DELTA_E;
 
-    for (Square s = kto; s != kfrom; s += (Square)K)
+    for (Square s = kto; s != kfrom; s += K)
         if (pos.attackers_to(s) & enemies)
             return mlist;