The majority of enthusiasts only look at the results; their judgments are based solely or almost solely on the champion's successes.
However, a minority (the true connoisseurs of chess, mainly other masters) delve deeper into the matter and form their judgments under the influence of numerous factors unrelated to the fact of winning or losing.
Although there are many aspects to consider, the opinion of true connoisseurs is generally based on three factors:
Depth, Combinative Gift, and Style.

Chess is undoubtedly an art, just like painting or sculpture!
In general, the study of the exact sciences is a good basis for chess creativity.
That's why chess could be compared to an exact science, if it didn't require one more ability from a chess player - a rich imagination.