X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.cpp;h=f0fa6f05132522d5ca043e3a56e51841ab2c16a2;hp=7a16ef8cfc08af9da7ab9e374d5baf338a5d8026;hb=0e295fee25a41962d234c0833e1f7ca29e4c2189;hpb=d799529b4843edd7630901a16c48a13d1fb50565

diff --git a/src/search.cpp b/src/search.cpp
index 7a16ef8c..f0fa6f05 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -799,7 +799,8 @@ namespace {
         && (ss-1)->currentMove != MOVE_NULL
         && (ss-1)->statScore < 22661
         &&  eval >= beta
-        &&  ss->staticEval >= beta - 33 * depth / ONE_PLY + 299
+        &&  eval >= ss->staticEval
+        &&  ss->staticEval >= beta - 33 * depth / ONE_PLY + 299 - improving * 30
         && !excludedMove
         &&  pos.non_pawn_material(us)
         && (ss->ply >= thisThread->nmpMinPly || us != thisThread->nmpColor))