Abstract: An information processing apparatus includes a processor configured to execute a process including: accepting, from a first user, a bet placed on a first competition based on betting contents of a second user, who is different from the first user, for the first competition, and notifying the first user of information on a second competition different from the first competition when a bet on the second competition from the second user is accepted in the accepting.

Abstract: An information processing apparatus which accepts a bet for a competition in which a bet can be placed on a betting target includes a processor configured to execute a process including: accepting a designation of a betting target for the competition from a first player, selecting a second player who places a bet on the same betting target as the betting target designated by the first player from among a plurality of second players who predict outcomes of the competition, and displaying information indicating the second player selected in the selecting on a terminal of the first player.

Abstract: An information processing apparatus includes a processor configured to execute a process including executing, according to an instruction of a bettor who places a bet on a competition, a bettor's bet for a first competition on the basis of a betting target designated by a tipster for the first competition. If the bettor's bet for the first competition is a win, the executing includes executing a bettor's bet for a second competition that takes place after the first competition, on the basis of a betting target designated by the tipster for the second competition.