"Solved"... in a way this reminds me of "Why do we keep having to hassle with finding, cooking and consuming food all our lives? Why can't we just eat once and for all?"
How can you "solve" chess when each position (except maybe in some end game positions or mate in 1, 2, 3, etc..., can transition to a huge number of positions and possibilities of response, which follows with another huge number of potential responses, where in most cases a win would not be had for many moves so you can't conclude so early that a certain moves leads to a definitive win?
So... let's play!