X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fendgame.cpp;h=cbca34be37fa7508102e51b39aa36ccfb6480cb1;hp=04469e87b4ea3f23d09d22852bd7b152370904d4;hb=7ae3c05795e79c9bd945607cdcfb08198f4c4b45;hpb=7eaea3848c9e8a388c0b79cee6fba6bf3cd32108

diff --git a/src/endgame.cpp b/src/endgame.cpp
index 04469e87..cbca34be 100644
--- a/src/endgame.cpp
+++ b/src/endgame.cpp
@@ -259,8 +259,8 @@ Value Endgame<KRKP>::operator()(const Position& pos) const {
       result = Value(80) - 8 * distance(wksq, psq);
 
   else
-      result =  Value(200) - 8 * (  distance(wksq, psq + DELTA_S)
-                                  - distance(bksq, psq + DELTA_S)
+      result =  Value(200) - 8 * (  distance(wksq, psq + SOUTH)
+                                  - distance(bksq, psq + SOUTH)
                                   - distance(psq, queeningSq));
 
   return strongSide == pos.side_to_move() ? result : -result;
@@ -496,7 +496,7 @@ ScaleFactor Endgame<KRPKR>::operator()(const Position& pos) const {
   // If the defending king blocks the pawn and the attacking king is too far
   // away, it's a draw.
   if (   r <= RANK_5
-      && bksq == wpsq + DELTA_N
+      && bksq == wpsq + NORTH
       && distance(wksq, wpsq) - tempo >= 2
       && distance(wksq, brsq) - tempo >= 2)
       return SCALE_FACTOR_DRAW;
@@ -517,10 +517,10 @@ ScaleFactor Endgame<KRPKR>::operator()(const Position& pos) const {
       && file_of(wrsq) == f
       && wrsq < wpsq
       && (distance(wksq, queeningSq) < distance(bksq, queeningSq) - 2 + tempo)
-      && (distance(wksq, wpsq + DELTA_N) < distance(bksq, wpsq + DELTA_N) - 2 + tempo)
+      && (distance(wksq, wpsq + NORTH) < distance(bksq, wpsq + NORTH) - 2 + tempo)
       && (  distance(bksq, wrsq) + tempo >= 3
           || (    distance(wksq, queeningSq) < distance(bksq, wrsq) + tempo
-              && (distance(wksq, wpsq + DELTA_N) < distance(bksq, wrsq) + tempo))))
+              && (distance(wksq, wpsq + NORTH) < distance(bksq, wrsq) + tempo))))
       return ScaleFactor(  SCALE_FACTOR_MAX
                          - 8 * distance(wpsq, queeningSq)
                          - 2 * distance(wksq, queeningSq));