X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fsearch.cpp;h=656558f87c472821f20898965dd0be30e8d47a1e;hb=eb9aaf94891f17a62798c59226642fa172972204;hp=8bd5ec9b48bc4b48b244a97bb2d2a92a93dc6d4f;hpb=fa143922aecaab6f22fe818a5ef23b6ac42fe307;p=stockfish

diff --git a/src/search.cpp b/src/search.cpp
index 8bd5ec9b..656558f8 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -779,7 +779,7 @@ namespace {
         && (ss-1)->statScore < 17329
         &&  eval >= beta
         &&  eval >= ss->staticEval
-        &&  ss->staticEval >= beta - 21 * depth - improvement / 13 + 258
+        &&  ss->staticEval >= beta - 21 * depth + 258
         && !excludedMove
         &&  pos.non_pawn_material(us)
         &&  ss->ply >= thisThread->nmpMinPly