Tuned razor and futility margins

[stockfish] / src / search.cpp

diff --git a/src/search.cpp b/src/search.cpp
index 21c36f5090bfadbbc073c0939702238468cf6601..c856980b4249fb8302b3990b5a02b14b0c743bea 100644 (file)
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -65,9 +65,9 @@ namespace {
   constexpr uint64_t ttHitAverageResolution = 1024;
 
   // Razor and futility margins
-  constexpr int RazorMargin = 661;
+  constexpr int RazorMargin = 594;
   Value futility_margin(Depth d, bool improving) {
-    return Value(198 * (d - improving));
+    return Value(232 * (d - improving));
   }
 
   // Reductions lookup table, initialized at startup