From 7ad59d9ac9cbeae8b95843a720a53c99bb1f0d3b Mon Sep 17 00:00:00 2001
From: Gary Linscott <glinscott@gmail.com>
Date: Mon, 24 Nov 2014 08:49:53 +0800
Subject: [PATCH] Fix pondering

The UCI specification states that an engine can never exit the search
while pondering.

No functional change.

Resolves #118
---
 src/search.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/search.cpp b/src/search.cpp
index e2cf76b8..9f278623 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -1533,7 +1533,11 @@ void check_time() {
       dbg_print();
   }
 
-  if (Limits.use_time_management() && !Limits.ponder)
+  // An engine may not stop pondering until told so by the GUI
+  if (Limits.ponder)
+      return;
+
+  if (Limits.use_time_management())
   {
       bool stillAtFirstMove =    Signals.firstRootMove
                              && !Signals.failedLowAtRoot
-- 
2.39.2