From 6fa2552c17781ac298ebf38f45efb22dd9d0baa1 Mon Sep 17 00:00:00 2001
From: Calcitem <calcitem@outlook.com>
Date: Sat, 11 Jul 2020 22:22:00 +0800
Subject: [PATCH] =?UTF-8?q?position:=20=E5=8E=BB=E9=99=A4=20Position=20?=
 =?UTF-8?q?=E7=B1=BB=E7=9A=84=E5=86=97=E4=BD=99=E6=88=90=E5=91=98=E5=8F=98?=
 =?UTF-8?q?=E9=87=8F=20position=20=E8=80=8C=E5=8F=AA=E4=BF=9D=E7=95=99=20p?=
 =?UTF-8?q?os?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/search.cpp | 13 ++++++-------
 src/search.h   |  1 -
 2 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/src/search.cpp b/src/search.cpp
index 89571f2a..be1d704a 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -56,7 +56,6 @@ vector<Key> moveHistory;
 
 AIAlgorithm::AIAlgorithm()
 {
-    position = new Position();
     pos = new Position();
     //movePicker = new MovePicker();
 }
@@ -177,7 +176,7 @@ void AIAlgorithm::setPosition(Position *p)
 
     //position = p;
     pos = p;
-    position = pos;
+   // position = pos;
 
     requiredQuit = false;
 }
@@ -204,8 +203,8 @@ int AIAlgorithm::search()
 #ifdef THREEFOLD_REPETITION
     static int nRepetition = 0;
 
-    if (position->get_phase() == PHASE_MOVING) {
-        Key key = position->key();
+    if (pos->get_phase() == PHASE_MOVING) {
+        Key key = pos->key();
         
         if (std::find(moveHistory.begin(), moveHistory.end(), key) != moveHistory.end()) {
             nRepetition++;
@@ -218,7 +217,7 @@ int AIAlgorithm::search()
         }
     }
 
-    if (position->get_phase() == PHASE_PLACING) {
+    if (pos->get_phase() == PHASE_PLACING) {
         moveHistory.clear();
     }
 #endif // THREEFOLD_REPETITION
@@ -403,10 +402,10 @@ Value AIAlgorithm::search(Depth depth, Value alpha, Value beta)
     }
 #endif
 
-    if (unlikely(position->phase == PHASE_GAMEOVER) ||   // TODO: Deal with hash
+    if (unlikely(pos->phase == PHASE_GAMEOVER) ||   // TODO: Deal with hash
         depth <= 0 ||
         unlikely(requiredQuit)) {
-        bestValue = Eval::evaluate(position);
+        bestValue = Eval::evaluate(pos);
 
         // For win quickly
         if (bestValue > 0) {
diff --git a/src/search.h b/src/search.h
index 9e5027a9..2c0c87b5 100644
--- a/src/search.h
+++ b/src/search.h
@@ -227,7 +227,6 @@ public:
 
 private:
     Position *pos { nullptr };
-    Position *position { nullptr };
 
     Stack<Position> positionStack;