Not exactly, something like the KID is a system opening in theory but has hundreds of moves to know and rarely turns out the same every time… similar to playing the Jobava london (system) vs the triangle “formation” in the London (also a system, but could be considered a formation?)
imo, pawn structures dictate formations, piece structures dictate systems
sometimes the pawns are different but the pieces are the same, other times vice versa
What makes openings like the Stonewall, Colle, London, different than the English, Italian, and Caro-Kann?
Yes! Great question! I haven't seen much written on this subject, so I put in a several hours and tried to catalogue all the opening category "types" of opening names. I mean what makes something an "Opening" versus a "System" versus a "Formation" and so on. Well...there is an answer and I made a roughly 45 min YouTube video on it. The video is simply a list of the various opening types I could think of and I have at least one example of each.
Haven't seen anyone do something exactly like this before, so I was happy with this topic idea.
Very helpful video you've made. But don't system openings lead to a formation?