Wash the potatoes thoroughly and cook them in salted water for about 30 minutes. Then peel and cut into evenly thin slices.
Prepare a marinade using mayonnaise, sour cream, vinegar, pepper, sugar, salt and oil. Mix the potato slices and marinade thoroughly in a bowl.
Clean and core the peppers and cut into fine cubes. Peel the onions. Finely chop together with the pickles. Cover and leave to stand in the refrigerator for at least 1 hour.
Hard boil eggs. Quenching, peeling and eighth. Garnish the potato salad with the eggs and chives.