Document Elo impact of various parts of search

[stockfish] / src / ucioption.cpp

diff --git a/src/ucioption.cpp b/src/ucioption.cpp
index e925fc57b0a8238930294fa0b3ce6954020a89e3..bca4a1f1adb2276cfa76100f870198496ad3cb5b 100644 (file)
--- a/src/ucioption.cpp
+++ b/src/ucioption.cpp
@@ -56,17 +56,19 @@ bool CaseInsensitiveLess::operator() (const string& s1, const string& s2) const
 void init(OptionsMap& o) {
 
   // at most 2^32 clusters.
-  const int MaxHashMB = Is64Bit ? 131072 : 2048;
+  constexpr int MaxHashMB = Is64Bit ? 131072 : 2048;
 
   o["Debug Log File"]        << Option("", on_logger);
-  o["Contempt"]              << Option(0, -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);
   o["Ponder"]                << Option(false);
   o["MultiPV"]               << Option(1, 1, 500);
   o["Skill Level"]           << Option(20, 0, 20);
-  o["Move Overhead"]         << Option(100, 0, 5000);
+  o["Move Overhead"]         << Option(30, 0, 5000);
+  o["Minimum Thinking Time"] << Option(20, 0, 5000);
+  o["Slow Mover"]            << Option(84, 10, 1000);
   o["nodestime"]             << Option(0, 0, 10000);
   o["UCI_Chess960"]          << Option(false);
   o["SyzygyPath"]            << Option("<empty>", on_tb_path);