diff --git a/src/main.cpp b/src/main.cpp
index f94a322c..40081e8d 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -43,7 +43,6 @@ int main(int argc, char* argv[]) {
   Position::init();
   Bitbases::init();
   Endgames::init();
-  Search::init();
   Threads.set(Options["Threads"]);
   Search::clear(); // After threads are up
 
diff --git a/src/search.cpp b/src/search.cpp
index d34e1823..55df6172 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -191,7 +191,7 @@ namespace {
 void Search::init() {
 
   for (int i = 1; i < MAX_MOVES; ++i)
-      Reductions[i] = int(23.4 * std::log(i));
+      Reductions[i] = int((23.4 + std::log(Threads.size()) / 2) * std::log(i));
 }
 
 
diff --git a/src/thread.cpp b/src/thread.cpp
index f7445f98..90ec274d 100644
--- a/src/thread.cpp
+++ b/src/thread.cpp
@@ -148,6 +148,9 @@ void ThreadPool::set(size_t requested) {
 
       // Reallocate the hash with the new threadpool size
       TT.resize(Options["Hash"]);
+
+      // Init thread number dependent search params.
+      Search::init();
   }
 }