<span>Victor - a person who defeats an enemy or opponent in a battle, game, or other competition.
</span><span>Enter - begin to be involved in.
</span>In this case (because of the 2 words), I think that the victor is the person who wins the competition while the word enter, or the phrase to enter, is probably meant as in to enter the competition. The question wasn't entirely clear but I hope I have sort of answered it. :)
The Rules of the Game, the way Waverly strategically manipulates her opponents in the game of chess ——— symbolizes the way her mother manipulates her into prioritizing Chinese pride;
