"13 Keys to the White House" system predicts presidential elections accurately

System based on performance and strength of White House party

Polls a year and a half before election have no predictive value

Biden's chances favored by incumbency and lack of internal party fight

Democrats need six keys to go down for prediction of defeat with Biden running

Identity of opposition candidate only one key that counts for opposition.

Trump appeals to a narrow base, not like Reagan

Trump's chances predicted to be low based on the "13 Keys to the White House" system