diff --git a/AUTHORS b/AUTHORS
index aff6a6c9..8317f545 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -9,7 +9,7 @@ Aditya (absimaldata)
 Adrian Petrescu (apetresc)
 Ajith Chandy Jose (ajithcj)
 Alain Savard (Rocky640)
-alayan-stk-2
+Alayan Feh (Alayan-stk-2)
 Alexander Kure
 Alexander Pagel (Lolligerhans)
 Ali AlZhrani (Cooffe)
diff --git a/src/search.cpp b/src/search.cpp
index 6cf99938..1742c676 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -412,7 +412,7 @@ void Thread::search() {
           if (rootDepth >= 4)
           {
               Value previousScore = rootMoves[pvIdx].previousScore;
-              delta = Value(23);
+              delta = Value(21 + abs(previousScore) / 128);
               alpha = std::max(previousScore - delta,-VALUE_INFINITE);
               beta  = std::min(previousScore + delta, VALUE_INFINITE);