diff --git a/AUTHORS b/AUTHORS
index bacc096c..2d75f7cf 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -59,7 +59,7 @@ Jerry Donald Watson (jerrydonaldwatson)
 Jonathan Calovski (Mysseno)
 Joost VandeVondele (vondele)
 Jörg Oster (joergoster)
-Joseph Hellis (jhellis3)
+Joseph Ellis (jhellis3)
 Joseph R. Prostko
 jundery
 Justin Blanchard
diff --git a/src/search.cpp b/src/search.cpp
index 8a50c3b1..f7c13bbf 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -346,11 +346,13 @@ void Thread::search() {
               alpha = std::max(rootMoves[PVIdx].previousScore - delta,-VALUE_INFINITE);
               beta  = std::min(rootMoves[PVIdx].previousScore + delta, VALUE_INFINITE);
 
-              // Adjust contempt based on current bestValue
-              ct =  Options["Contempt"] * PawnValueEg / 100 // From centipawns
-                  + (bestValue >  500 ?  50:                // Dynamic contempt
-                     bestValue < -500 ? -50:
-                     bestValue / 10);
+              ct =  Options["Contempt"] * PawnValueEg / 100; // From centipawns
+
+              // Adjust contempt based on current bestValue (dynamic contempt)
+              int sign = (bestValue > 0) - (bestValue < 0);
+              ct +=  bestValue >  500 ?  70 :
+                     bestValue < -500 ? -70 :
+                     bestValue / 10 + sign * int(std::round(3.22 * log(1 + abs(bestValue))));
 
               Eval::Contempt = (us == WHITE ?  make_score(ct, ct / 2)
                                             : -make_score(ct, ct / 2));
diff --git a/src/ucioption.cpp b/src/ucioption.cpp
index 4d925d68..f648c017 100644
--- a/src/ucioption.cpp
+++ b/src/ucioption.cpp
@@ -59,7 +59,7 @@ void init(OptionsMap& o) {
   const int MaxHashMB = Is64Bit ? 131072 : 2048;
 
   o["Debug Log File"]        << Option("", on_logger);
-  o["Contempt"]              << Option(18, -100, 100);
+  o["Contempt"]              << Option(12, -100, 100);
   o["Threads"]               << Option(1, 1, 512, on_threads);
   o["Hash"]                  << Option(16, 1, MaxHashMB, on_hash_size);
   o["Clear Hash"]            << Option(on_clear_hash);