Easy move fix.

mbootsector · Oct 5, 2015 · 34ecba3 · 34ecba3 · mstembera · Oct 6, 2015
1 parent d0578d7
commit 34ecba3
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/src/search.cpp b/src/search.cpp
@@ -345,8 +345,11 @@ 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));
@@ -1084,6 +1087,7 @@ namespace {
           {
               // If there is an easy move for this position, clear it if unstable
               if (    PvNode
+                  && thisThread == Threads.main()
                   &&  EasyMove.get(pos.key())
                   && (move != EasyMove.get(pos.key()) || moveCount > 1))
                   EasyMove.clear();