PHP - como pasar mas de 1000 variables en formulario

<form id="form2" name="frmCaptura" method="post" enctype="multipart/form-data" action="reali_prueb.php" >

  <table width="585" height="417" border="1" cellpadding="0" cellspacing="2">

  	 <?

         $i=1;

	 while ($i<504)   //504 personas

	 {

           print "<tr>";

           print "<td>".$i."</td>";

           print "<td><input name='tc1_".$i."' type='text' id='tc1_".$i."' value=".$i."></td>";	  calificación 1

           print "<td><input name='tc2_".$i."' type='text' id='tc2_".$i."' value=".$i."></td>";	  calificación 2

           print "</tr>";

           $i++;

	  }

         ?>

        <tr>

	   <td>

           <input type="submit" name="Submit" value="R e g i s t r a r" >

           </td>

    </tr>

  </table>

</form>

<?

  print "<table>";

  $i=1;

  while ($i<504)

  {

    $txtst_categoria1='tc1_'.$i;

    $txtst_categoria2='tc2_'.$i;

    print "<tr>";

	print "<td>".$i."</td>";

	print "<td>".$_POST[$txtst_categoria1]."</td>";

	print "<td>".$_POST[$txtst_categoria2]."</td>";

	print "</tr>";

    $i++;

  }

  print "</table>";

?>