X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.cpp;h=c7343ce8002ccd4aff7fcc41d8f9dce346efe6df;hp=4650b1579bf0e11dafd78722151ab5d54f0370d5;hb=5af09cfda5b71f9470ef233298e0f4233651337d;hpb=3d5b2c8a5104888ec4d1ec44c171e29809e836a6

diff --git a/src/search.cpp b/src/search.cpp
index 4650b157..c7343ce8 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -192,7 +192,7 @@ namespace {
 void Search::init() {
 
   for (int i = 1; i < MAX_MOVES; ++i)
-      Reductions[i] = int((22.0 + 2 * std::log(Threads.size())) * std::log(i));
+      Reductions[i] = int((22.0 + 2 * std::log(Threads.size())) * std::log(i + 0.25 * std::log(i)));
 }
 
 
@@ -829,7 +829,7 @@ namespace {
         assert(eval - beta >= 0);
 
         // Null move dynamic reduction based on depth and value
-        Depth R = (817 + 71 * depth) / 213 + std::min(int(eval - beta) / 192, 3);
+        Depth R = (982 + 85 * depth) / 256 + std::min(int(eval - beta) / 192, 3);
 
         ss->currentMove = MOVE_NULL;
         ss->continuationHistory = &thisThread->continuationHistory[0][0][NO_PIECE][0];