From 18505f1fc40643ed033f681c36dc5efa3ddf2a05 Mon Sep 17 00:00:00 2001
From: Marco Costalba <mcostalba@gmail.com>
Date: Sat, 30 Jun 2012 08:00:48 +0100
Subject: [PATCH] Clear transposition table on "ucinewgame"

It seems the standard behaviour as implemented
in most engines although UCI protocol does not
specify what to do upon "ucinewgame" command.

No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
---
 src/uci.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/uci.cpp b/src/uci.cpp
index 0ba4de3b..7b7b116e 100644
--- a/src/uci.cpp
+++ b/src/uci.cpp
@@ -25,6 +25,7 @@
 #include "position.h"
 #include "search.h"
 #include "thread.h"
+#include "tt.h"
 #include "ucioption.h"
 
 using namespace std;
@@ -93,7 +94,7 @@ void uci_loop(const string& args) {
           go(pos, is);
 
       else if (token == "ucinewgame")
-      { /* Avoid returning "Unknown command" */ }
+          TT.clear();
 
       else if (token == "isready")
           cout << "readyok" << endl;
-- 
2.39.2