answer: #Person1# wants to break #Person1#'s promise of playing chess with #Person2# this afternoon to practice baseball to join a team. #Person2# agrees if #Person1# gives the best game to #Person2# tonight.
documents: #Person1#: I'm going to the park to play baseball with the guys.
  #Person2#: But you promised to play chess with me this afternoon.
  #Person1#: Yeah, but that was before the guys ask me to join the team.
  #Person2#: So what?
  #Person1#: You know how much I want to be on the team, and now there is an opening for me. If I don't go to practise today. They'll get someone else and I'll miss my chance.
  #Person2#: I don't care about baseball. You know I need to practice for the chess championship and you promised to help with me if I washed the dishes for you last Sunday, and I did.
  #Person1#: I know, and I will.
  #Person2#: When?
  #Person1#: After baseball practice.
  #Person2#: And then, it'll be dinner time, then homework, and then your Show is on. You are going to break your promise.
  #Person1#: No, I won't. I'm going to skip TV tonight and work on your chess game with you if that's ok with you.
  #Person2#: Well, I'd rather do it the way we set up. But if you promise to give me your best game, it's ok with me.
  #Person1#: No problem, I'll play as hard as I can and give you an extra game to say thanks.