Found the issue: you are effectively awarding 4 points for a hit, -6 points for a rebuy, and -2 points for an add-on. This is because you've configured the "Points for hit" field on the Game tab with "2", Rebuy "points" with "-3" and Add-on "points" with "-1". But your formula ALSO includes the same values: (nh*2.00) - (nr*3.00) - (na*1.00)
Those fields on the Game tab are basically convenience fields. If you don't want to hassle with a formula and are awarding points solely on hits, buy-ins, rebuys, and add-ons (or don't want to augment a simple formula to include those), you can do so by simply filling in the fields.
When I set those fields to 0, 1st place gets 109.15 points and 2nd place got 113.31 (you said it should be 105 but I think 113.31 is correct; 2nd place got 4 points less based on his rank but got 4 additional hits, which is 8 more points, so he should have 4 points more than 1st).