> "allow only players with a points difference below 400 points to join your game" == i have 500 points 100+ ??

And 900-

> "allow only players with a points difference below 400 points to join your game" i have 700 pts (700-400 = 300) 300+?

> or 300+ and 700 + 400 = 1100 1100+ 300 -1100?

> only 300+?