If tournament points are not taken into account, then this rating will only be a SMALL improvement over what exists.
For example, with a rating of 1850, a victory over a player with a rating of 1450 will only bring 1 point.
By the way, I just tried Elo. It really is more beneficial for Razor - with it, he will receive 2-3 times more points for winning against players with a low rating than with my option =) Let's draw conclusions...