Geometry is a subject studied often, with the goal of understanding; although the "proofs" stand--the idea is to spread the knowledge amongst masses of people. The essence of the process hold innovative ideas, even if they are old, and a few know the solution.

Our games have such depth we play, and most don't know the "solution", or they would fall into disuse. Our games are not yet "past their time", because those few who do "know the solution" haven't transmitted it to the rest of us by osmosis.

So there is plenty left to see in these games. And even when they are solved, there will be plenty to see....