Point spread contest with confidence points 20-1. Once you or CB post the spreads, that’s what we use. If the spread lands exactly on the number and that game is picked, poster will receive half the confidence points. Still need to use those 6 bowl games (Rose, Sugar, Cotton, Orange, Peach Fiesta) as part of your 20 games. Any ties will be decided using the National Championship game.
I definitely should not have any influence in determining the lines since I am participating. The only proviso is to as much as possible have lines with equal vig so there isn't a large "lean" to the line.
Pushes are easy to incorporate (worth 0.5, wins are 1.0, score is the game outcome times the confidence weight). Multiple "play as you go" posts are much more work to process, I recommend two contests, 10 selections each, graded separately, one early and one late, if you want to allow for later entries for later bowls.