X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fevaluate.cpp;h=d19cf34e31ef24ae257251b71e6836ab4d55427d;hb=c7194bd924a606ab75d582d30cb41749312ea94e;hp=65f7bddc76e3c4f626ac095db897f3cc9458416d;hpb=16836f39b295ec635c9883498400f7006ac2869f;p=stockfish

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index 65f7bddc..d19cf34e 100644
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -767,7 +767,6 @@ namespace {
     eg += v;
 
     // Compute the scale factor for the winning side
-
     Color strongSide = eg > VALUE_DRAW ? WHITE : BLACK;
     int sf = me->scale_factor(pos, strongSide);
 
@@ -782,13 +781,15 @@ namespace {
             else
                 sf = 22 + 3 * pos.count<ALL_PIECES>(strongSide);
         }
-        else if(   pos.non_pawn_material(WHITE) == RookValueMg
+        else if (  pos.non_pawn_material(WHITE) == RookValueMg
                 && pos.non_pawn_material(BLACK) == RookValueMg
                 && !pe->passed_pawns(strongSide)
                 && pos.count<PAWN>(strongSide) - pos.count<PAWN>(~strongSide) <= 1
                 && bool(KingSide & pos.pieces(strongSide, PAWN)) != bool(QueenSide & pos.pieces(strongSide, PAWN))
                 && (attacks_bb<KING>(pos.square<KING>(~strongSide)) & pos.pieces(~strongSide, PAWN)))
             sf = 36;
+        else if (pos.count<QUEEN>() == 1)
+            sf = 37;
         else
             sf = std::min(sf, 36 + 7 * pos.count<PAWN>(strongSide));
     }