diff --git a/TicTacToeEx/T3EBoard.cpp b/TicTacToeEx/T3EBoard.cpp
index fda9f09..64e2637 100644
--- a/TicTacToeEx/T3EBoard.cpp
+++ b/TicTacToeEx/T3EBoard.cpp
@@ -69,114 +69,7 @@
 int T3EBoard::CPU()
 {
 	int place = 0;
-	int i[11],j;
-	int tempPlace[11];
-	int ZeroCount=0,ZeroCount2=0;
-	int ImageBoard[BOARD_SIZE], ImageTurn,ImageNextPlayer,Me;
-	//���s�Ǘ��z��
-	int row[11], col[11];
-	int check[11];
-	int sign[2] = { STONE1, STONE2 };
-
-
-	//����
-	ImageTurn = m_Turn;
-	ImageNextPlayer = m_NextPlayer;
-	printf("ImageNext = %d\n", ImageNextPlayer);
-	//�����͐��̐�,����͕��̐��ŕ���
-	if (ImageNextPlayer == PLAYER1) {
-		printf("���͐��\n");
-		for (i[0] = 0;i[0] < BOARD_SIZE;i[0]++) {
-			ImageBoard[i[0]] = m_Board[i[0]];
-		}
-	}
-	else {
-		printf("���͌��\n");
-		for (i[0] = 0;i[0] < BOARD_SIZE;i[0]++) {
-			ImageBoard[i[0]] = (-1)*m_Board[i[0]];
-		}
-	}
-
-
-	//�Տ�̉����Ȃ��ꏊ�𐔂���B
-	for (i[0] = 0;i[0] < BOARD_SIZE;i[0]++) {
-		if (ImageBoard[i[0]] == 0)ZeroCount++;
-	}
-
-	//printf("ZERO=%d\n", ZeroCount);
-
-	//Minmax�@�̋L�q
-	//���݂̃^�[���S�ʂ莎��for  depth=0
-	for (i[0] = 0;i[0] < BOARD_SIZE;i[0]++) {
-		//printf("i = %d\n",i[0]);
-		//�����u���ĂȂ��ꏊ�����‚���
-		if (ImageBoard[i[0]] == 0) {
-			//SetStone�̋L�q�P
-			ImageBoard[i[0]] = ImageTurn;
-			tempPlace[0] = i[0];
-
-			// ���R�}������
-			if (ImageTurn > MAX_PIECE_ON_BOARD) {
-				int deleting = (ImageTurn - MAX_PIECE_ON_BOARD);
-				for (int i = 0; i < BOARD_SIZE; i++) {
-					if (ImageBoard[i] == deleting) ImageBoard[i] = 0;
-				}
-			}
-
-			//���Ă�`�����X�������珟��
-			// �΂ߕ���1
-			for (row[0] = 0, check[0] = 0; row[0] < BOARD_HEIGHT; row[0]++) {
-				if (ImageBoard[row[0] * BOARD_WIDTH + row[0]] > 0) check[0]++;
-			}
-			if (check[0] == 3) {
-				printf("naname1\n");return i[0];
-			}
-
-			// �΂ߕ���2
-			for (row[0] = 0, check[0] = 0; row[0] < BOARD_HEIGHT; row[0]++) {
-				if (ImageBoard[row[0] * BOARD_WIDTH + (BOARD_HEIGHT - 1 - row[0])] > 0) check[0]++;
-			}
-			if (check[0] == 3) {
-				printf("naname2\n");return i[0];
-			}
-
-			// ������
-			for (row[0] = 0; row[0] < BOARD_HEIGHT; row[0]++) {
-				for (col[0] = 0, check[0] = 0; col[0] < BOARD_WIDTH; col[0]++) {
-					if (ImageBoard[row[0] * BOARD_WIDTH + col[0]] > 0) check[0]++;
-				}
-				if (check[0] == 3) {
-					printf("yoko\n");return i[0];
-				}
-
-			}
-
-
-			// �c����
-			for (col[0] = 0; col[0] < BOARD_WIDTH; col[0]++) {
-				for (row[0] = 0, check[0] = 0; row[0] < BOARD_HEIGHT; row[0]++) {
-					if (ImageBoard[row[0] * BOARD_WIDTH + col[0]] > 0) check[0]++;
-				}
-				if (check[0] == 3) {
-					printf("tate\n");return i[0];
-				}
-			}
-
-
-			//����̎�� depth=1
-			ImageTurn++;
-			for (i[1] = 0;i[1] < BOARD_SIZE;i[1]++) {
-				if (ImageBoard[i[1]] == 0) {
-
-				}
-			}
-			//������Ԃɖ߂�
-			ImageBoard[tempPlace[0]] = 0;
-			ImageTurn = m_Turn;
-			ImageNextPlayer = m_Turn;
-		}
-	}
-
+;
 	do {
 		place = rand() % BOARD_SIZE;
 	} while (m_Board[place] != NONE);
@@ -185,6 +78,25 @@
 	return place;
 }
 
+//�ǂ̔Ֆʂ������Ɉ�ԑ傫���]���������炷���m�F�B
+//����:int node �ǖ�, in turn ���, int depth ��ǂ݂̐[��
+//�߂�l�F�]���l
+int T3EBoard::Minmax(int node, int turn, int depth)
+{
+	//�t�̏ꍇ�]���l��Ԃ�
+	//if (depth == 0) return this->eval();
+
+	//this->expand_node(node, NextTurn);
+
+	int best = -INFINITY;
+	/*for (int i = 0;i < k;i++) {
+		int val = this->Minmax(ai, NextTurn, (depth - 1));
+		if (turn == PLAYER1 && best < val) best = val;
+		if (turn == PLAYER2 && best < -val)best = -val;
+	}*/
+
+	return best;
+}
 // �l�Ԃ̎��
 // �߂�l�F�R�}��łꏊ
 int T3EBoard::Human()
diff --git a/TicTacToeEx/T3EBoard.h b/TicTacToeEx/T3EBoard.h
index d05eecb..263370f 100644
--- a/TicTacToeEx/T3EBoard.h
+++ b/TicTacToeEx/T3EBoard.h
@@ -22,6 +22,7 @@
 	void ShowBoard();			// �Օ\��
 	void SetStone(int place);	// �R�}��u��
 	int CPU();					// CPU�̎v�l
+	int Minmax(int node, int turn, int depth);//Minmax�@�̎��{
 	int Human();				// �l�Ԃ̎��
 	int CheckWin();				// ��������
 public: