Fritz Chess - Nintendo DS Free Chess: To play games freely in any of the three modes of play: Classic Chess, Chess 960 or Giveaway. You can have all the help Fritz has to offer. Fritz Chess ELO: Only you against the machine playing Classic Chess, without any help. The outcome will affect your ELO score. ELO is the number that indicates how good a player you are. Multiplayer: You can play against a friend on the same console, in any of three modes: Classic, 960 or Giveaway. Set up position: Put the pieces in a certain position and continue the match. Ideal for solving chess problems from the newspaper.