X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fucioption.cpp;h=f85ede1813c39e44dc6c820383de74081de95ab8;hp=8bc4e4364383b01ba986b56bf6c6719b49dfc0b0;hb=2198cd0524574f0d9df8c0ec9aaf14ad8c94402b;hpb=01d97521fd675ed157ff7d61e6057916abbcc56c

diff --git a/src/ucioption.cpp b/src/ucioption.cpp
index 8bc4e436..f85ede18 100644
--- a/src/ucioption.cpp
+++ b/src/ucioption.cpp
@@ -55,7 +55,8 @@ bool CaseInsensitiveLess::operator() (const string& s1, const string& s2) const
 
 void init(OptionsMap& o) {
 
-  const int MaxHashMB = Is64Bit ? 1024 * 1024 : 2048;
+  // at most 2^32 clusters.
+  const int MaxHashMB = Is64Bit ? 131072 : 2048;
 
   o["Debug Log File"]        << Option("", on_logger);
   o["Contempt"]              << Option(0, -100, 100);
@@ -65,7 +66,7 @@ void init(OptionsMap& o) {
   o["Ponder"]                << Option(false);
   o["MultiPV"]               << Option(1, 1, 500);
   o["Skill Level"]           << Option(20, 0, 20);
-  o["Move Overhead"]         << Option(30, 0, 5000);
+  o["Move Overhead"]         << Option(100, 0, 5000);
   o["nodestime"]             << Option(0, 0, 10000);
   o["UCI_Chess960"]          << Option(false);
   o["SyzygyPath"]            << Option("<empty>", on_tb_path);