diff --git a/SystemKonkursow/4.2.1/angular/src/app/app.module.ts b/SystemKonkursow/4.2.1/angular/src/app/app.module.ts
index 23d23dc..0f6245e 100644
--- a/SystemKonkursow/4.2.1/angular/src/app/app.module.ts
+++ b/SystemKonkursow/4.2.1/angular/src/app/app.module.ts
@@ -34,6 +34,7 @@ import { SideBarFooterComponent } from '@app/layout/sidebar-footer.component';
 import { RightSideBarComponent } from '@app/layout/right-sidebar.component';
 import { CategoriesListComponent } from '@app/categories-list/categories-list.component';
 import { CompetitionsListComponent } from '@app/competitions-list/competitions-list.component';
+import { FilterClassesPipe } from '@app/pipe/filter-classes.pipe';
 
 @NgModule({
     declarations: [
@@ -56,7 +57,8 @@ import { CompetitionsListComponent } from '@app/competitions-list/competitions-l
         SideBarFooterComponent,
         RightSideBarComponent,
         CategoriesListComponent,
-        CompetitionsListComponent
+        CompetitionsListComponent,
+        FilterClassesPipe
     
     ],
     imports: [
diff --git a/SystemKonkursow/4.2.1/angular/src/app/competitions-list/competitions-list.component.html b/SystemKonkursow/4.2.1/angular/src/app/competitions-list/competitions-list.component.html
index 0c76733..27a09d1 100644
--- a/SystemKonkursow/4.2.1/angular/src/app/competitions-list/competitions-list.component.html
+++ b/SystemKonkursow/4.2.1/angular/src/app/competitions-list/competitions-list.component.html
@@ -1,5 +1,5 @@
 <div class="flex-container" id="competitions-list-area">
-    <div class="flex-item" *ngFor="let competition of competitionsList">
+    <div class="flex-item" *ngFor="let competition of (competitionsList | filterClasses : [2, 6])">
         {{ competition.name }}
     </div>
 </div>
\ No newline at end of file
diff --git a/SystemKonkursow/4.2.1/angular/src/app/pipe/filter-classes.pipe.ts b/SystemKonkursow/4.2.1/angular/src/app/pipe/filter-classes.pipe.ts
new file mode 100644
index 0000000..04f9dff
--- /dev/null
+++ b/SystemKonkursow/4.2.1/angular/src/app/pipe/filter-classes.pipe.ts
@@ -0,0 +1,15 @@
+import { Pipe, PipeTransform } from '@angular/core';
+
+import { CompetitionDto } from '@shared/service-proxies/service-proxies';
+
+@Pipe({ name: 'filterClasses' })
+export class FilterClassesPipe implements PipeTransform {
+    
+    transform(allCompetitions: CompetitionDto[], args?: any) {
+        console.log(args);
+        let minClass = args[0];
+        let maxClass = args[1];
+        return allCompetitions
+            .filter(competition => competition.minClass >= minClass && competition.maxClass <= maxClass);
+    }
+}
\ No newline at end of file