12 import java.util.Vector;

    12 import java.util.Vector;

    13 

    13 

    14 import javax.swing.JPanel;

    14 import javax.swing.JPanel;

    15 

    15 

    16 public class Board extends JPanel {

    16 public class Board extends JPanel {

    18 

    18 

    19     protected boolean UNDO_DEBUG = false;

    19     protected boolean UNDO_DEBUG = false;

    20 

    20 

    21     protected Piece board_pieces[];

    21     protected Piece board_pieces[];

    22     private Piece pieces[];

    22     private Piece pieces[];