Small change to "ponderhit" handling

[stockfish] / src / uci.cpp

diff --git a/src/uci.cpp b/src/uci.cpp
index 49a0b22fd6723a89bbbc87174240dc0a125be197..ddaad41725aae83c8161549199649990ca719c68 100644 (file)
--- a/src/uci.cpp
+++ b/src/uci.cpp
@@ -73,16 +73,18 @@ void UCI::loop(const string& args) {
       }
       else if (token == "ponderhit")
       {
-          // The opponent has played the expected move. GUI sends "ponderhit" if
-          // we were told to ponder on the same move the opponent has played. We
-          // should continue searching but switching from pondering to normal search.
-          Search::Limits.ponder = false;
-
+          // GUI sends "ponderhit" if we were told to ponder on the same move the
+          // opponent has played. In case Signals.stopOnPonderhit is set we are
+          // waiting for "ponderhit" to stop the search (for instance because we
+          // already ran out of time), otherwise we should continue searching but
+          // switching from pondering to normal search.
           if (Search::Signals.stopOnPonderhit)
           {
               Search::Signals.stop = true;
               Threads.main_thread()->wake_up(); // Could be sleeping
           }
+          else
+              Search::Limits.ponder = false;
       }
       else if (token == "perft" && (is >> token)) // Read perft depth
       {