One Night at Chelsea Club

Krishanu Mitra one of the person of Kolkata went to London for higher education. In London when he moved around the city he met a person in a restaurant. After some time he came to know that the person is vampire. Then he going to another place and met a oldest woman. She told him that her late husband was a member of Chelsea club. But every member of the club was not a man. When they are playing always succeed. But she didn't know about the success of players. In this story the readers know the venture of Krishanu. Can he come to the conclusion of that secret?