From 713604a3d480cb894e0acb58086ba2ffa6b23e4a Mon Sep 17 00:00:00 2001
From: Marco Costalba <mcostalba@gmail.com>
Date: Wed, 7 Oct 2015 08:57:25 +0200
Subject: [PATCH] Fix easy move

bench: 8397672
---
 src/search.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/search.cpp b/src/search.cpp
index 61796406..64533edc 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -345,8 +345,12 @@ void Thread::id_loop() {
 
   Value bestValue, alpha, beta, delta;
 
-  Move easyMove = EasyMove.get(pos.key());
-  EasyMove.clear();
+  Move easyMove = MOVE_NONE;
+  if (this == Threads.main())
+  {
+      easyMove = EasyMove.get(pos.key());
+      EasyMove.clear();
+  }
 
   Stack *ss = stack+2; // To allow referencing (ss-2) and (ss+2)
   std::memset(stack, 0, 5 * sizeof(Stack));