Further increase reductions with increasing number of threads

[stockfish] / src / search.cpp

diff --git a/src/search.cpp b/src/search.cpp
index eb30d9fac8cd50c9cfc72ec1309e30a014579376..cfda94b8080110112b1bac35b20472fd09719e22 100644 (file)
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -194,7 +194,7 @@ namespace {
 void Search::init() {
 
   for (int i = 1; i < MAX_MOVES; ++i)
-      Reductions[i] = int((24.8 + std::log(Threads.size()) / 2) * std::log(i));
+      Reductions[i] = int((24.8 + std::log(Threads.size())) * std::log(i));
 }