This is the 14792nd most frequent Polish word.
rankingowych
"Rankingowych" means "ranking-related" or "pertaining to rankings" in English.
The word 'rankingowych' in this context refers to games that contribute to rankings or ratings.
Turniej składał się głównie z gier rankingowych.
The tournament consisted mainly of ranked games.
Here, 'rankingowych' is used adjectivally to describe rules connected to the rankings or evaluation criteria.
Zasady akceptacji do tej ligi są bardzo rankingowe.
The rules for acceptance into this league are very ranking-based.
In this sentence, 'rankingowych' describes matches that impact player or team rankings.