Problem mit Upload

<?php
include("check.inc.php");


echo '[b]<font size="+1">Fight eintragen</font>[/b]


Solltest du Fakewars,falsche Siege oder Loses eintragen wirst du sofort disqualifiziert!<hr/>


';


if($_SERVER['REQUEST_METHOD'] == 'POST')
{
  extract($_POST);
  $uploaddir = "./beweise/";
  $endstats = $p1.':'.$p2;
  $endung = substr($_FILES["file"]["name"], -3);
  if(move_uploaded_file($_FILES["file"]["tmp_name"], $uploaddir))
  {
    $insert = mysql_query("INSERT INTO fights (team1, team2, endstats, tunierid, eintrag) VALUES
    						('$wid','$lid','$endstats','$tid','".$_SESSION['userid']."')");
    $selfid = mysql_query("SELECT id FROM fights ORDER BY id DESC LIMIT 0,01");
    $result = mysql_result($selfid, 0);

    rename($uploaddir.$_FILES["file"]["name"], $uploaddir."beweis_".$result.$endung);
    echo "War erfolgreich eingetragen!";
  }
}
else
{



$selwinteam = mysql_query("SELECT * FROM tunier_teams WHERE teamid='".$_REQUEST['wid']."' AND name != ''");
$fwinteam = mysql_fetch_array($selwinteam);
$selloseteam = mysql_query("SELECT * FROM tunier_teams WHERE teamid='".$_REQUEST['lid']."' AND name != ''");
$floseteam = mysql_fetch_array($selloseteam);


echo '
<form action="index.php?go=addfight" method="post" enctype="multipart/form-data">
<table border="0" width="100%">
<tr>
<td width="40%">WinnerTeam</td><td><font color="green">'.$fwinteam['name'].'</font></td></tr>
<tr>
<td>LoserTeam</td><td><font color="red">'.$floseteam['name'].'</font></td></tr>
<tr>
<td>Mit welchem Punkestand?</td><td><input type="text name="p1" style="width: 50px" /> : <input type="text name="p2" style="width: 50px" /></td></tr>
<tr>
<td>Beweismaterial (Screenshot,Video,etc.)</td><td><input type="file" name="file" style="width: 100px" /></td></tr>


<tr>
<td>Submit</td><td><input type="submit" value="War eintragen" /></td>
</tr>


</table>
<input type="hidden" name="wid" value="'.$_REQUEST['wid'].'" />
<input type="hidden" name="lid" value="'.$_REQUEST['lid'].'" />
<input type="hidden" name="tid" value="'.$_REQUEST['tid'].'" />
</form>


';


}


?>