Erreur script php où ???

// code html dans la page du formulaire ://

<form method="post" action="check.php">
<input type="radio" name="choix10" value="1"><input type="radio" name="choix10" value="2"><input type="radio" name="choix10" value="3">
</form>

//code php de la page action du formulaire//
// je me suis connecté au paravant //


$sql = "SELECT victoire FROM prono_tbl WHERE id=10";
	$donnees = mysql_query($sql);
	$i_28 = mysql_fetch_array($donnees);
	
$sql = "SELECT nul FROM prono_tbl WHERE id=10";
	$donnees = mysql_query($sql);
	$i_29 = mysql_fetch_array($donnees);
	
$sql = "SELECT defaite FROM prono_tbl WHERE id=10";
	$donnees = mysql_query($sql);
	$i_30 = mysql_fetch_array($donnees);
  
$variable = $_POST['choix10'];
if ($variable == 1) $i_28 [vicoire]++ ;
if ($variable == 2) $i_29 [nul]++;
if ($variable == 3) $i_30 [defaite]++;

$sql = "UPDATE prono_tbl  SET victoire  = $i_28 WHERE id=10 " ;
mysql_query($sql)
$sql = "UPDATE prono_tbl  SET nul  = $i_29 WHERE id=10 " ;
mysql_query($sql)
$sql = "UPDATE prono_tbl  SET defaite  = $i_30 WHERE id=10 " ;
mysql_query($sql);