I wonder if there’s a combined metric that could be calculated. Depth of the line certainly would be impactful. A line that only works if you do 5 only moves is

I wonder if there’s a combined metric that could be calculated. Depth of the line certainly would be impactful. A line that only works if you do 5 only moves is harder to find than a single move line. “Quiet” moves are probably harder to find than captures or direct attacks. Backwards moves are famously tricky to spot. Etc