What is the price of rail ticket from Zurich to Davos?

Zürich HB to Davos Dorf:

Second Class, Adult CHF 53.00 single, or CHF 26.50 with a half-price card.

First Class, Adult CHF 93.00 single, or CHF 46.50 with a half-price card.

All these prices can be looked up on the SBB (Swiss Federal Railways) website.