X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fsearch.cpp;h=7b7737ea9fd2a946303a66b0af53d8235a30a766;hb=367304e930e967d90523025b34f25c2a9b60de8f;hp=1a516ff80b1e7a1c7a95d9d1ac9c9cfd8412e167;hpb=8ff2fcf299ac621779dc167ce750ba73aaae90a4;p=stockfish

diff --git a/src/search.cpp b/src/search.cpp
index 1a516ff8..7b7737ea 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -343,14 +343,15 @@ void Thread::search() {
           // Reset aspiration window starting size
           if (rootDepth >= 5 * ONE_PLY)
           {
+              Value previousScore = rootMoves[PVIdx].previousScore;
               delta = Value(18);
-              alpha = std::max(rootMoves[PVIdx].previousScore - delta,-VALUE_INFINITE);
-              beta  = std::min(rootMoves[PVIdx].previousScore + delta, VALUE_INFINITE);
+              alpha = std::max(previousScore - delta,-VALUE_INFINITE);
+              beta  = std::min(previousScore + delta, VALUE_INFINITE);
 
               ct =  Options["Contempt"] * PawnValueEg / 100; // From centipawns
 
-              // Adjust contempt based on current bestValue (dynamic contempt)
-              ct += int(std::round(48 * atan(float(bestValue) / 128)));
+              // Adjust contempt based on root move's previousScore (dynamic contempt)
+              ct += int(std::round(48 * atan(float(previousScore) / 128)));
 
               Eval::Contempt = (us == WHITE ?  make_score(ct, ct / 2)
                                             : -make_score(ct, ct / 2));