X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.cpp;h=3e74ddc2168af68d20774a46402fcbdadc1748ec;hp=dece7fd4958217523da01dbdae0dc0e5196fc971;hb=a093f33154cdd7b1d82e41f67fc673d3a22545bc;hpb=0895f1ac71f64ed39effd3907271c4b0c168b550

diff --git a/src/search.cpp b/src/search.cpp
index dece7fd4..3e74ddc2 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -1334,7 +1334,7 @@ namespace {
         && !isCheck
         && !value_is_mate(beta)
         &&  ok_to_do_nullmove(pos)
-        &&  staticValue >= beta - NullMoveMargin)
+        &&  staticValue >= beta - (depth >= 4 * OnePly ? NullMoveMargin : 0))
     {
         ss[ply].currentMove = MOVE_NULL;