So if I understand correctly, you rent a server, use a JavaScript framework, make requests to google's servers for fonts, etc. when you can just type wc -l?
If I played against a master, he or she would capture a lot of pieces, and I would only capture a few. Can it be concluded that I have a higher Elo rating than him/her?
That's the thing: a master would beat you without taking a lot of your pieces. They'll play for position, rather than material advantage. Your pieces will be less of a threat, and won't be guarding the squares they need to guard. Taking material would just slow them down.
They might even just let you take pieces, since you don't know what pieces are involved in the attack and which aren't. There's even a name for it: "pawn munching". It's not a compliment.