public static bool ValidateDefault( Mobile from, BaseBoard board )
        {
            if ( from.AccessLevel >= AccessLevel.GameMaster )
            {
                return true;
            }

            if ( !from.Alive )
            {
                return false;
            }

            if ( board.IsChildOf( from.Backpack ) )
            {
                return true;
            }

            object root = board.RootParent;

            if ( root is Mobile && root != from )
            {
                return false;
            }

            if ( board.Deleted || board.Map != from.Map || !from.InRange( board.GetWorldLocation(), 1 ) )
            {
                return false;
            }

            IHouse house = HousingHelper.FindHouseAt( board );

            return ( house != null && house.IsOwner( from ) );
        }

        public override void Deserialize(GenericReader reader)
        {
            base.Deserialize(reader);

            int version = reader.ReadInt();

            switch ( version )
            {
                case 0:
                    {
                        this.m_Board = (BaseBoard)reader.ReadItem();

                        if (this.m_Board == null || this.Parent == null)
                            this.Delete();

                        break;
                    }
            }
        }

 public PieceBlackKnight( BaseBoard board )
     : base(0x358F, "black knight", board)
 {
 }

 public PieceWhiteBishop( BaseBoard board )
     : base(0x3585, "white bishop", board)
 {
 }

 public PieceWhiteRook( BaseBoard board )
     : base(0x3586, "white rook", board)
 {
 }

 public PieceBlackKing( BaseBoard board )
     : base(0x358E, "black king", board)
 {
 }

 public PieceWhitePawn( BaseBoard board )
     : base(0x3589, "white pawn", board)
 {
 }

 public PieceWhiteQueen( BaseBoard board )
     : base(0x358A, "white queen", board)
 {
 }

 public BasePiece( int itemID, string name, BaseBoard board )
     : base(itemID)
 {
     m_Board = board;
     Name = name;
 }

 public PieceWhiteKnight( BaseBoard board )
     : base(0x3588, "white knight", board)
 {
 }

 public PieceBlackRook( BaseBoard board )
     : base(0x358D, "black rook", board)
 {
 }

 public BasePiece(int itemID, BaseBoard board)
     : base(itemID)
 {
     this.m_Board = board;
 }

 public PieceBlackQueen( BaseBoard board )
     : base(0x3591, "black queen", board)
 {
 }

 public PieceBlackPawn( BaseBoard board )
     : base(0x3590, "black pawn", board)
 {
 }

 public PieceBlackBishop( BaseBoard board )
     : base(0x358C, "black bishop", board)
 {
 }

 public PieceBlackChecker(BaseBoard board)
     : base(0x358B, board)
 {
 }

 public PieceWhiteChecker(BaseBoard board)
     : base(0x3584, board)
 {
 }

			public DefaultEntry( Mobile from, BaseBoard board ) : base( 6162, from.AccessLevel >= AccessLevel.GameMaster ? -1 : 1 )
			{
				m_From = from;
				m_Board = board;
			}

 public PieceWhiteKing( BaseBoard board )
     : base(0x3587, "white king", board)
 {
 }