Try:

Code (Skript):

1.  
2. on command "/ptop":
3.     cancel event
4.    
5.     loop {points::*}:
6.             add 1 to {_size}
7.             if {_low.to.high.list::%loop-value%} is not set:
8.                 set {_low.to.high.list::%loop-value%} to loop-index
9.             else:
10.                 set {_n} to 0
11.                 loop {_size} times:
12.                     set {_n} to {_n}+1
13.                     {_low.to.high.list::%loop-value-1%.%{_n}%} is not set:
14.                         set {_low.to.high.list::%loop-value-1%.%{_n}%} to loop-index
15.                         stop loop
16.         wait 1 tick
17.         set {_n} to size of {_low.to.high.list::*}
18.         loop {_low.to.high.list::*}:
19.             set {_high.to.low.list::%{_n}%} to loop-value
20.             set {_n} to {_n}-1
21.         wait 1 tick
22.         set {_i} to 0
23.            
24.         message "&a&lPOINTS TOP" to player
25.         loop {_high.to.low.list::*}:
26.             add 1 to {_topnumber}
27.             set {_player} to "%loop-value%" parsed as offlineplayer
28.             add 1 to {_i}
29.             message "&8%{_topnumber}%.- &a%{_player}% &8» &a%{points::%loop-value%}% Points"
30.             if {_topnumber} > 9: #or the number of the number of positions you want to have in your leaderboard.
31.                 stop loop

 

Register // Don't use on command to run a trigger but Register it as command Because it has less packet sending

 

tip: you should save those values so you don't get oof'd by restarts