Bellow lies plots testing different scores and comparing them using a chi^2 score.

The functions used are as follows

Gaussian: e^(-2) (Red)

Inverse: 1/(1+(O-E)^2) (Purple)

Algebraic: 1/(1+(chi^2) )^(3/2)) (Green)

Chi: 1/(1+chi^2) (Blue)

Which are plotted here: