X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fsearch.cpp;h=8ce9c56e42d0849e2caf9b2528d463faf524fe21;hb=21d6b69f7c8d0c0a71fe627714913a59d39a3b57;hp=366065b8e9c3380642ab74b040c7db9f3760f7f6;hpb=41f50b2c83a0ba36a2b9c507c1783e57c9b13485;p=stockfish

diff --git a/src/search.cpp b/src/search.cpp
index 366065b8..8ce9c56e 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -353,7 +353,7 @@ void Thread::search() {
           beta  = std::min(prev + delta, VALUE_INFINITE);
 
           // Adjust optimism based on root move's previousScore
-          int opt = 120 * prev / (std::abs(prev) + 161);
+          int opt = 102 * prev / (std::abs(prev) + 147);
           optimism[ us] = Value(opt);
           optimism[~us] = -optimism[us];