diff --git a/AUTHORS b/AUTHORS
index 273cab33b..15614effd 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -57,6 +57,7 @@ Ciekce
 clefrks
 Clemens L. (rn5f107s2)
 Cody Ho (aesrentai)
+CSTENTOR
 Dale Weiler (graphitemaster)
 Daniel Axtens (daxtens)
 Daniel Dugovic (ddugovic)
diff --git a/src/search.cpp b/src/search.cpp
index 9775e46b1..268f9e2cc 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -371,7 +371,7 @@ void Search::Worker::iterative_deepening() {
                 // otherwise exit the loop.
                 if (bestValue <= alpha)
                 {
-                    beta  = (alpha + beta) / 2;
+                    beta  = (3 * alpha + beta) / 4;
                     alpha = std::max(bestValue - delta, -VALUE_INFINITE);
 
                     failedHighCnt = 0;