[sceptic123]

But you have no idea what the optimal solution is, are you 1,10,50 away from it. Would be nice to have some indicator of how close you are before you submit, though I guess that's intentional.

[ryanjshaw]

I believe that’s the point. I had the optimal solution for some time but was convinced there was something better. Eventually I submitted, and seeing the perfect score was more thrilling after convincing myself I was an idiot.

[butlike]

If it told you how close you were then you could just brute force your way to a perfect score every board by trying each square.

[sceptic123]

But if you remember the best score isn't that approach still possible?