A program that causes a computer to execute a process, the computer controlling a genuine note determination system that includes a first information processing device that distinguishes genuine notes, a second information processing device that accumulates position information for players that enter an amusement hall, and a third information processing device that takes images of the players based on the position information of the second information processing device, and the process comprising:
- a note inserting step of receiving a note inserted by a player;
- an extracting step of extracting characteristic information for the note inserted in the note inserting step;
- a genuine note determining step of determining whether the note is genuine or whether the note is not genuine based on the characteristic information;
- a position information acquiring step of acquiring the position of the players as position information;
- an accumulating step of accumulating the position information acquired in the position information acquiring step for each player;
- and
- an image taking step of taking images of an area corresponding to the position information of the player that inserted the note in the note inserting step from among the position information accumulated in the accumulating step, when the result in the genuine note determination step is neither that the note is genuine nor that the note is not genuine.