Hillary Clinton - F
Bernie Sanders - F
Joe Biden - F
Martin O’Malley - F
Jim Webb - D
Republicans
Jeb Bush - D
Donald Trump - C
Scott Walker - B
Marco Rubio - D
Ben Carson - C
Rick Santorum - A
Ted Cruz - C
Rick Perry - C
Chris Christie - C
Bobby Jindal - C
Carly Fiorina - C
Mike Huckabee - C
Rand Paul - D
John Kasich - D
Lindsey Graham - F
Lincoln Chafee - F
https://www.numbersusa.com/content/elections/races/presidential/2016-presidential-hopefuls.html
Lincoln Chafee - F
You have Chafee in the wrong column - hes running as a Democrat.
Not a bad rating. I would put Ted Cruz A, Trump A-, Walker A-, Jindal B+, quite a number of C ratings, and Graham and Chafee and Bush F.