This is the 16691st most frequent Russian word.
сказаться
"Сказаться" means "to affect" or "to have an impact."
In this sentence, 'сказаться' is used in the meaning 'to reflect' or 'to have an effect'.
Этот успех скажется на его репутации.
This success will reflect on his reputation.
Here, 'сказаться' conveys the concept of exerting influence or having an impact due to circumstances.
Её здоровье сказалось на результатах соревнований.
Her health affected the results of the competition.
The word 'сказаться' is applied to signify the indirect consequence of an event or condition.