Originally posted on 04/10/2013:
I think only paying 10 places would be a much better idea, getting 20 in a 40-46 person tournament and getting rewarded isn't very challenging.
I would make the places something like this
1st: 450
2nd : 325
3rd : 275
4th: 250
5th: 225
6th: 200
7th: 175
8th: 150
9th: 125
10th: 100 pts