It isn't solved but the evaluation (which side is better, by how much, and which moves are best) of a strong engine is - for all practical purposes - an answer

It isn't solved but the evaluation (which side is better, by how much, and which moves are best) of a strong engine is - for all practical purposes - an answer to every chess position you can pose to it. This makes it easy to gauge improvement and benchmark against other systems compared to some other problems.