answer: #Person1#, a chess beginner, and #Person2#, who is good at chess but hasn't played it for a long time, plays chess.
documents: #Person1#: Let's play chess.
  #Person2#: I haven't played chess for a long time.
  #Person1#: That's all right, I'm a beginner. I've just learnt how to play.
  #Person2#: Look, there's a chessboard. Those two men have already finished playing.
  #Person1#: You're a very good player
  #Person2#: Not really, but once I won a prize.
  #Person1#: So did I. I won a prize last week but it was a prize for beginners.
  #Person2#: My prize was for the best player in the country. Now let's start playing chess seriously.