void moveChecker() {
        for (int i = 0; i < 8; i++)
            for (int j = 0; j < 8; j++) {
                if (labels[i][j].type == 1) {
                    int i1 = i;
                    int j1 = j;
                    labels[i][j].addMouseListener(new MouseAdapter() {
                        @Override
                        public void mouseClicked(MouseEvent e) {
                            if (i1 < 7 && j1 < 7) {
                                if (labels[i1 + 1][j1 + 1].type == 0) {
                                    labels[i1 + 1][j1 + 1].addMouseListener(new MouseAdapter() {
                                        @Override
                                        public void mouseClicked(MouseEvent e) {
                                            int k;
                                            Icon icon = new ImageIcon();
                                            k = labels[i1][j1].type;
                                            icon = labels[i1][j1].getIcon();
                                            labels[i1][j1].setIcon(labels[i1 + 1][j1 + 1].getIcon());
                                            labels[i1 + 1][j1 + 1].setIcon(icon);
                                            labels[i1][j1].type = labels[i1 + 1][j1 + 1].type;
                                            labels[i1 + 1][j1 + 1].type = k;
                                        }
                                    });
                                }
                            }
                            if (i1 < 7 && j1 > 0) {
                                if (labels[i1 + 1][j1 - 1].type == 0) {
                                    labels[i1 + 1][j1 - 1].addMouseListener(new MouseAdapter() {
                                        @Override
                                        public void mouseClicked(MouseEvent e) {
                                            int k;
                                            Icon icon = new ImageIcon();
                                            k = labels[i1][j1].type;
                                            icon = labels[i1][j1].getIcon();
                                            labels[i1][j1].setIcon(labels[i1 + 1][j1 - 1].getIcon());
                                            labels[i1 + 1][j1 - 1].setIcon(icon);
                                            labels[i1][j1].type = labels[i1 + 1][j1 - 1].type;
                                            labels[i1 + 1][j1 - 1].type = k;
                                        }
                                    });
                                }
                            }
                        }
                    });
                }
                if (labels[i][j].type == 2) {
                    int i2 = i;
                    int j2 = j;
                    labels[i][j].addMouseListener(new MouseAdapter() {
                        @Override
                        public void mouseClicked(MouseEvent e) {
                            if (i2 > 0 && j2 < 7) {
                                if (labels[i2 - 1][j2 + 1].type == 0)
                                    labels[i2 - 1][j2 + 1].addMouseListener(new MouseAdapter() {
                                        @Override
                                        public void mouseClicked(MouseEvent e) {
                                            int k;
                                            Icon icon = new ImageIcon();
                                            k = labels[i2][j2].type;
                                            icon = labels[i2][j2].getIcon();
                                            labels[i2][j2].setIcon(labels[i2 - 1][j2 + 1].getIcon());
                                            labels[i2 - 1][j2 + 1].setIcon(icon);
                                            labels[i2][j2].type = labels[i2 - 1][j2 + 1].type;
                                            labels[i2 - 1][j2 + 1].type = k;
                                        }

                                    }
                                    );

                            }
                            if (i2 > 0 && j2 > 0) {
                                if (labels[i2 - 1][j2 - 1].type == 0)
                                    labels[i2 - 1][j2 - 1].addMouseListener(new MouseAdapter() {
                                        @Override
                                        public void mouseClicked(MouseEvent e) {
                                            int k;
                                            Icon icon = new ImageIcon();
                                            k = labels[i2][j2].type;
                                            icon = labels[i2][j2].getIcon();
                                            labels[i2][j2].setIcon(labels[i2 - 1][j2 - 1].getIcon());
                                            labels[i2 - 1][j2 - 1].setIcon(icon);
                                            labels[i2][j2].type = labels[i2 - 1][j2 - 1].type;
                                            labels[i2 - 1][j2 - 1].type = k;
                                        }
                                    });
                            }
                        }
                    });
                }
            }