Fix last search info carried over to mate position

[stockfish] / src / search.cpp

diff --git a/src/search.cpp b/src/search.cpp
index dc488c2b8922df283d51ba1c525e452b83cab7e4..10d491c025e7e9a2383472b812010f9a5dc74839 100644 (file)
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -359,7 +359,8 @@ void MainThread::search() {
   Thread* bestThread = this;
   if (   !this->easyMovePlayed
       &&  Options["MultiPV"] == 1
-      && !Skill(Options["Skill Level"]).enabled())
+      && !Skill(Options["Skill Level"]).enabled()
+      &&  rootMoves[0].pv[0] != MOVE_NONE)
   {
       for (Thread* th : Threads)
           if (   th->completedDepth > bestThread->completedDepth