A method for arranging a primary contest including a primary computer system in communication with a data feed to a source of data including sequences, wherein the sequences are discrete functions of time, the method including selecting sequences as contestants in the contest, providing a definition of a contest outcome as a measure relating to either a contestant's performance independently of other contestants or a joint performance of interacting contestants, receiving data from the data feed, wherein the data relates to the sequences selected, and determining an outcome of the contest according to the definition.