Seven Dwarfs

In one house deep in the forest seven dwarfs are living alone. The first dwarf is reading a book, the second dwarf is cooking, the third dwarf is playing chess, the fourth dwarf is tidying up the house, the fifth dwarf is washing the clothes, and the sixth dwarf is gardening. What is the seventh dwarf doing?

The seventh dwarf is also playing chess - 2 people are needed for this.