@@ -45,8 +45,11 @@
 	bool   flushed;
 
 	void flush()
 	{
+		if(flushed)
+			return;
+
 		Tuple!(long, int) cand;
 		cand[0] = long.min;
 
 		for(int i=0; i<score_log.length; ++i)