Sorry for late comments because of the busy work after holiday. We planned to spend last two nights in Prague in Igor's cute hotel, but unfortunately the water bombed out before we checked in. Igor's friend came to us in his side to apologize and explain what had happened, then took us to another hotel very near in the corner and arranged check-in for us with a pre-reservation. She even prepared a bottle of wine for us.
I cannot give comment to Igor's hotel but really appreciate what he and her friend did for us in that emergency.
One thing to be added: I am really disappointed that I missed the chance to enjoy the famous breakfast! That is one of the key points that I chose Royal Court Hotel by Airbnb. The breakfast in the replaced hotel was not so good.