Because of the similarities between them, the contingent vote and the two-round system can usually be expected to elect the same winner. However, in the two-round system, the voter is permitted to change one's mind from one round to another, even if the favourite candidate in the first round has not been eliminated.
When considering the contingent vote and the two-round system, they frequently produce the same winner because of their similarities. Nonetheless, under the two-round system, voters are allowed to change their selection between rounds, even if their preferred candidate did not progress beyond the initial stage.