Raise penalty for knight attacked by pawn

[stockfish] / src / ucioption.cpp

diff --git a/src/ucioption.cpp b/src/ucioption.cpp
index d83bac6d2ba6bff90640912f691d16c62cdee274..1778c7182a52f56de7209e19a79af8b90cc17feb 100644 (file)
--- a/src/ucioption.cpp
+++ b/src/ucioption.cpp
@@ -54,11 +54,13 @@ bool CaseInsensitiveLess::operator() (const string& s1, const string& s2) const
 
 void init(OptionsMap& o) {
 
+  const int MaxHashMB = Is64Bit ? 1024 * 1024 : 2048;
+
   o["Write Debug Log"]       << Option(false, on_logger);
   o["Contempt"]              << Option(0, -100, 100);
   o["Min Split Depth"]       << Option(0, 0, 12, on_threads);
   o["Threads"]               << Option(1, 1, MAX_THREADS, on_threads);
-  o["Hash"]                  << Option(16, 1, 1024 * 1024, on_hash_size);
+  o["Hash"]                  << Option(16, 1, MaxHashMB, on_hash_size);
   o["Clear Hash"]            << Option(on_clear_hash);
   o["Ponder"]                << Option(true);
   o["MultiPV"]               << Option(1, 1, 500);