It was possible that some would hold the opinion that having the minimap was cheating.
That, however, was not strictly true. In the logic that applies to this world, the minimap that the Players have partially belongs to the divine grace which Xi Wei, the God of Games bestowed upon them, a reward for their belief in him.
Therefore, if the minimap was a cheat that upsets the balance of the tourney, the believers of the Temple of Glory must be forbidden from using their combat auras, the Brilliant White Church's monks must be banned from using holy water while the believers of the Marcolo, God of Harvest must be prevented from eating at all. The latter case was because the food they brought along were made from crops blessed by the God of Harvest, which delivers higher yield but wouldn't stay alive unless cared for by believers of Marcolo, and therefore counted as a divine grace…