diff --git a/src/endgame.h b/src/endgame.h
index 5e181526..3d61207c 100644
--- a/src/endgame.h
+++ b/src/endgame.h
@@ -85,7 +85,7 @@ template<EndgameCode E, typename T = eg_type<E>>
 struct Endgame : public EndgameBase<T> {
 
   explicit Endgame(Color c) : EndgameBase<T>(c) {}
-  T operator()(const Position&) const;
+  T operator()(const Position&) const override;
 };
 
 
diff --git a/src/misc.cpp b/src/misc.cpp
index 42dc0b06..d815c9c4 100644
--- a/src/misc.cpp
+++ b/src/misc.cpp
@@ -63,10 +63,10 @@ struct Tie: public streambuf { // MSVC requires split streambuf for cin and cout
 
   Tie(streambuf* b, streambuf* l) : buf(b), logBuf(l) {}
 
-  int sync() { return logBuf->pubsync(), buf->pubsync(); }
-  int overflow(int c) { return log(buf->sputc((char)c), "<< "); }
-  int underflow() { return buf->sgetc(); }
-  int uflow() { return log(buf->sbumpc(), ">> "); }
+  int sync() override { return logBuf->pubsync(), buf->pubsync(); }
+  int overflow(int c) override { return log(buf->sputc((char)c), "<< "); }
+  int underflow() override { return buf->sgetc(); }
+  int uflow() override { return log(buf->sbumpc(), ">> "); }
 
   streambuf *buf, *logBuf;
 
diff --git a/src/search.cpp b/src/search.cpp
index e93c5045..fbcae460 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -253,7 +253,7 @@ void MainThread::search() {
 
   if (rootMoves.empty())
   {
-      rootMoves.push_back(RootMove(MOVE_NONE));
+      rootMoves.emplace_back(MOVE_NONE);
       sync_cout << "info depth 0 score "
                 << UCI::value(rootPos.checkers() ? -VALUE_MATE : VALUE_DRAW)
                 << sync_endl;
diff --git a/src/syzygy/tbprobe.cpp b/src/syzygy/tbprobe.cpp
index 76d8ec68..8b87c250 100644
--- a/src/syzygy/tbprobe.cpp
+++ b/src/syzygy/tbprobe.cpp
@@ -489,8 +489,8 @@ void HashTable::insert(const std::vector<PieceType>& pieces) {
 
     MaxCardinality = std::max((int)pieces.size(), MaxCardinality);
 
-    wdlTable.push_back(WDLEntry(code));
-    dtzTable.push_back(DTZEntry(wdlTable.back()));
+    wdlTable.emplace_back(code);
+    dtzTable.emplace_back(wdlTable.back());
 
     insert(wdlTable.back().key , &wdlTable.back(), &dtzTable.back());
     insert(wdlTable.back().key2, &wdlTable.back(), &dtzTable.back());
diff --git a/src/thread.h b/src/thread.h
index 75fa95b2..8c0a6665 100644
--- a/src/thread.h
+++ b/src/thread.h
@@ -78,7 +78,7 @@ struct MainThread : public Thread {
 
   using Thread::Thread;
 
-  virtual void search();
+  void search() override;
   void check_time();
 
   bool easyMovePlayed, failedLow;